10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2014

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ___ to ___

Commission File Number 0-22175

EMCORE Corporation

(Exact name of registrant as specified in its charter)

New Jersey (State or other jurisdiction of incorporation or organization)	22-2746503 (I.R.S. Employer Identification No.)
10420 Research Road, SE, Albuquerque, New Mexico, 87123 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code:  (505) 332-5000

Securities registered pursuant to Section 12(b) of the Act:

Common Stock, no par value (Title of each class) NASDAQ Stock Market (Name of each exchange on which registered)

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. x Yes ¨ No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). x Yes ¨ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definition of “large accelerated filer”, “accelerated filer”, and “smaller reporting company” in Rule 12b-2 of the Exchange Act. ¨ Large accelerated filer xAccelerated filer ¨Non-accelerated filer ¨ Smaller reporting company

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). ¨ Yes xNo

As of April 30, 2014, the number of shares outstanding of our no par value common stock totaled 30,640,807.

CAUTIONARY STATEMENT

REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the Securities Act) and Section 21E of the Securities and Exchange Act of 1934, as amended (the Exchange Act). These forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are largely based on our current expectations and projections about future events and financial trends affecting the financial condition of our business. Such forward-looking statements include, in particular, projections about our future results included in our Exchange Act reports, statements about our plans, strategies, business prospects, changes and trends in our business and the markets in which we operate. These forward-looking statements may be identified by the use of terms and phrases such as “anticipates”, “believes”, “can”, “could”, “estimates”, “expects”, “forecasts”, “intends”, “may”, “plans”, “projects”, "should", “targets”, “will”, "would", and similar expressions or variations of these terms and similar phrases. Additionally, statements concerning future matters such as our expected liquidity, development of new products, enhancements or technologies, sales levels, expense levels, and other statements regarding matters that are not historical are forward-looking statements. Management cautions that these forward-looking statements relate to future events or our future financial performance and are subject to business, economic, and other risks and uncertainties, both known and unknown, that may cause actual results, levels of activity, performance, or achievements of our business or our industry to be materially different from those expressed or implied by any forward-looking statements. Factors that could cause or contribute to such differences in results and outcomes include without limitation those discussed under Item 1A - Risk Factors in our Annual Report on Form 10-K for the fiscal year ended September 30, 2013, as updated by our subsequent periodic reports. These cautionary statements apply to all forward-looking statements wherever they appear in this Quarterly Report.

Forward-looking statements are based on certain assumptions and analysis made in light of our experience and perception of historical trends, current conditions and expected future developments as well as other factors that we believe are appropriate under the circumstances. While these statements represent our judgment on what the future may hold, and we believe these judgments are reasonable, these statements are not guarantees of any events or financial results. All forward-looking statements in this Quarterly Report are made as of the date hereof, based on information available to us as of the date hereof, and subsequent facts or circumstances may contradict, obviate, undermine, or otherwise fail to support or substantiate such statements. We caution you not to rely on these statements without also considering the risks and uncertainties associated with these statements and our business that are addressed in this Quarterly Report. Certain information included in this Quarterly Report may supersede or supplement forward-looking statements in our other reports filed with the Securities and Exchange Commission. We assume no obligation to update any forward-looking statement to conform such statements to actual results or to changes in our expectations, except as required by applicable law or regulation.

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EMCORE Corporation

FORM 10-Q

For The Quarterly Period Ended March 31, 2014

TABLE OF CONTENTS

			Page
Part I:	Financial Information
	Item 1.	Financial Statements
		Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the three and six months ended March 31, 2014 and 2013	4
		Condensed Consolidated Balance Sheets as of March 31, 2014 and September 30, 2013	5
		Condensed Consolidated Statements of Cash Flows for the six months ended March 31, 2014 and 2013	6
		Notes to Condensed Consolidated Financial Statements	7
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	25
	Item 3.	Quantitative and Qualitative Disclosures about Market Risk	37
	Item 4.	Controls and Procedures	38
Part II:	Other Information
	Item 1.	Legal Proceedings	39
	Item 1A.	Risk Factors	39
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	39
	Item 3.	Defaults Upon Senior Securities	39
	Item 4.	Mine Safety Disclosures	39
	Item 5.	Other Information	39
	Item 6.	Exhibits	39
		SIGNATURES	40

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PART I. Financial Information

ITEM 1. Financial Statements

EMCORE CORPORATION

Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income

For the Three and Six Months Ended March 31,2014 and 2013

(in thousands, except net (loss) income per share)

(unaudited)

	For the three months ended March 31,						For the six months ended March 31,
	2014			2013			2014			2013
Revenue	$	42,247		$	42,277		$	86,458		$	91,583
Cost of revenue	35,381			34,444			69,457			72,802
Gross profit	6,866			7,833			17,001			18,781
Operating expense (income):
Selling, general, and administrative	6,911			6,771			14,883			13,675
Research and development	5,204			4,112			9,607			9,502
Flood-related insurance proceeds	—			(14,808		)	—			(19,000		)
Gain on sale of assets	—			(413		)	—			(413		)
Total operating expense (income)	12,115			(4,338		)	24,490			3,764
Operating (loss) income	(5,249		)	12,171			(7,489		)	15,017
Other income (expense):
Interest expense, net	(117		)	(186		)	(243		)	(424		)
Foreign exchange (loss) gain	(90		)	(21		)	10			80
Gain on sale of investment	17			—			307			—
Change in fair value of financial instruments	7			(267		)	(71		)	(30		)
Total other (expense) income	(183		)	(474		)	3			(374		)
(Loss) income before income tax expense	(5,432		)	11,697			(7,486		)	14,643
Income tax expense	—			—			—			(120		)
Net (loss) income	$	(5,432	)	$	11,697		$	(7,486	)	$	14,523
Foreign exchange translation adjustment	(43		)	(76		)	2			(7		)
Comprehensive (loss) income	$	(5,475	)	$	11,621		$	(7,484	)	$	14,516
Per share data:
Net (loss) income per basic share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.55
Net (loss) income per diluted share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.54
Weighted-average number of basic shares outstanding	30,392			26,310			30,162			26,142
Weighted-average number of diluted shares outstanding	30,392			26,642			30,162			26,432

The accompanying notes are an integral part of these condensed consolidated financial statements.

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EMCORE CORPORATION

Condensed Consolidated Balance Sheets

As of March 31,2014 and September 30, 2013

(in thousands, except per share data)

(unaudited)

	As of			As of
	March 31, 2014			September 30, 2013
ASSETS
Current assets:
Cash and cash equivalents	$	18,175		$	16,104
Restricted cash	1,993			815
Accounts receivable, net of allowance of $98 and $3,363, respectively	37,453			41,826
Inventory	28,518			32,115
Prepaid expenses and other current assets	7,144			9,437
Total current assets	93,283			100,297
Property, plant, and equipment, net	47,213			49,744
Goodwill	20,384			20,384
Other intangible assets, net	1,650			2,159
Other non-current assets, net of allowance of $3,561 and $3,533, respectively	888			1,130
Total assets	$	163,418		$	173,714
LIABILITIES and SHAREHOLDERS’ EQUITY
Current liabilities:
Borrowings from credit facility	$	17,600		$	21,706
Accounts payable	19,006			19,643
Deferred gain associated with sale of assets	3,400			—
Warrant liability	226			155
Accrued expenses and other current liabilities	20,461			21,597
Total current liabilities	60,693			63,101
Asset retirement obligations	5,157			5,053
Deferred gain associated with sale of assets	—			3,400
Other long-term liabilities	898			981
Total liabilities	66,748			72,535
Commitments and contingencies (Note 12)
Shareholders’ equity:
Preferred stock, $0.0001 par value, 5,882 shares authorized; none issued or outstanding	—			—
Common stock, no par value, 50,000 shares authorized; 30,674 shares issued and 30,634 shares outstanding as of March 31, 2014; 30,022 shares issued and 29,982 shares outstanding as of September 30, 2013	752,241			749,266
Treasury stock, at cost; 40 shares	(2,071		)	(2,071		)
Accumulated other comprehensive income	1,625			1,623
Accumulated deficit	(655,125		)	(647,639		)
Total shareholders’ equity	96,670			101,179
Total liabilities and shareholders’ equity	$	163,418		$	173,714

The accompanying notes are an integral part of these condensed consolidated financial statements.

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EMCORE CORPORATION

Condensed Consolidated Statements of Cash Flows

For the Six Months Ended March 31,2014 and 2013

(in thousands)

	For the six months ended March 31,
	2014			2013
Cash flows from operating activities:
Net (loss) income	$	(7,486	)	$	14,523
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation, amortization, and accretion expense	4,163			4,062
Stock-based compensation expense	2,239			2,133
Gain on sale of an investment	(307		)	—
Provision adjustments related to doubtful accounts	361			15
Provision adjustments related to product warranty	1,562			2,401
Change in fair value of financial instruments	71			30
Non-cash insurance proceeds	—			(19,000		)
Total non-cash adjustments	8,089			(10,359		)
Changes in operating assets and liabilities:
Accounts receivable	4,003			(2,628		)
Inventory	3,526			(600		)
Other assets	2,496			2,448
Accounts payable	(630		)	(9,176		)
Accrued expenses and other current liabilities	(2,698		)	(4,406		)
Total change in operating assets and liabilities	6,697			(14,362		)
Net cash provided by (used in) operating activities	7,300			(10,198		)
Cash flows from investing activities:
Cash proceeds from sale of investment	307			—
Purchase of equipment	(1,039		)	(4,961		)
Deposits on equipment orders	—			(3		)
Increase in restricted cash	(1,178		)	(248		)
Proceeds from disposal of property, plant and equipment	—			396
Net cash used in investing activities	(1,910		)	(4,816		)
Cash flows from financing activities:
Net (payments) proceeds from borrowings from credit facilities	(4,106		)	1,463
Proceeds from sale of common stock	—			9,475
Proceeds from stock plans	659			1,006
Net cash (used in) provided by financing activities	(3,447		)	11,944
Effect of exchange rate changes on foreign currency	128			(55		)
Net increase in cash and cash equivalents	2,071			(3,125		)
Cash and cash equivalents at beginning of period	16,104			9,047
Cash and cash equivalents at end of period	$	18,175		$	5,922
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid during the period for interest	$	272		$	370
Cash paid during the period for income taxes	$	4		$	15
NON-CASH INVESTING AND FINANCING ACTIVITIES
Forgiveness of capital lease and accounts payable	$	—		$	10,761
Note Receivable from contract manufacturer	$	—		$	8,239

The accompanying notes are an integral part of these condensed consolidated financial statements.

6

EMCORE Corporation

Notes to our Condensed Consolidated Financial Statements

For the three and six months ended March 31, 2014

(unaudited)

NOTE 1. Description of Business

Business Overview

EMCORE Corporation and its subsidiaries (the “Company”, “we”, “our”, or “EMCORE”) offers a broad portfolio of compound semiconductor-based products for the fiber optics and solar power markets. We were established in 1984 as a New Jersey corporation and we have two reporting segments: Fiber Optics and Photovoltaics. Our Fiber Optics business segment provides optical components, subsystems and systems for high-speed telecommunications, Cable Television (CATV), Wireless and Fiber-To-The-Premise (FTTP) networks, as well as products for satellite communications, video transport and specialty photonics technologies for defense and homeland security applications. EMCORE's Solar Photovoltaics business segment provides products for space power applications including high-efficiency multi-junction solar cells, Covered Interconnect Cells (CICs) and complete satellite solar panels, and terrestrial applications, including high-efficiency GaAs solar cells for concentration photovoltaic (CPV) power systems.

Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim information, and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission (SEC). Accordingly, they do not include all of the information and notes required by U.S. GAAP for annual financial statements. In our opinion, the interim financial statements reflect all normal adjustments that are necessary to provide a fair presentation of the financial results for the interim periods presented. Operating results for interim periods are not necessarily indicative of results that may be expected for an entire fiscal year. The condensed consolidated balance sheet as of September 30, 2013 has been derived from the audited consolidated financial statements as of such date. For a more complete understanding of our business, financial position, operating results, cash flows, risk factors and other matters, please refer to our Annual Report on Form 10-K for the fiscal year ended September 30, 2013.

All significant intercompany accounts and transactions have been eliminated in consolidation. We are not the primary beneficiary of, nor do we hold a significant variable interest in, any variable interest entity. We have evaluated subsequent events through the date that the financial statements were issued.

Sale of Fiber Optics-related Assets

On March 27, 2012, we entered into a Master Purchase Agreement with a subsidiary of Sumitomo Electric Industries, LTD (SEI), pursuant to which we agreed to sell certain assets and transfer certain obligations associated with our Fiber Optics segment. On May 7, 2012, we completed the sale of these assets to SEI and recorded a gain of approximately $2.8 million. Under the terms of the Master Purchase Agreement, we have agreed to indemnify SEI for up to $3.4 million of potential claims and expenses for the two-year period following the sale and we have recorded this amount as a deferred gain on our balance sheet as of March 31, 2014 and September 30, 2013 as a result of these contingencies. SEI paid $13.1 million in cash and deposited approximately $2.6 million into escrow as security for indemnification obligations and any purchase price adjustments. Settlement of escrow amounts occurs over a two-year period and is subject to claim adjustments. During the fiscal year ended September 30, 2013, we resolved the purchase price contingencies resulting in the reduction of the purchase price by $1.1 million. The reduced purchase price is recorded as an offset to the escrow receivable of $2.6 million while an additional $0.4 million of gain on sale of assets was recognized during the fiscal year ended September 30, 2013. There remains a deferred gain of $3.4 million related to our indemnification obligation at March 31, 2014.

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In May 2012, we also entered into a separate facility lease and transition services agreement (TSA) with SEI related to financial services, supply chain, facility, and information infrastructure support functions to be provided by us. We believe the values assigned to the facility lease and TSA approximate fair value. During the three months ended March 31, 2014 and 2013, we recognized $1.0 million and $0.6 million, respectively, related to TSA fees and facility rental income which was recorded as a benefit against operating expenses incurred for such services. During the six months ended March 31, 2014 and 2013, we recognized $1.7 million and $1.2 million, respectively, related to TSA fees and facility rental income which was recorded as a benefit against operating expenses incurred for such services.

Liquidity and Capital Resources

Historically, we have consumed cash from operations and incurred significant net losses. We have managed our liquidity position through a series of cost reduction initiatives, borrowings from our credit facility, capital markets transactions, and the sale of assets.

As of March 31, 2014, cash and cash equivalents totaled $18.2 million and net working capital totaled approximately $32.6 million. Working capital, calculated as current assets minus current liabilities, is a financial metric we use which represents available operating liquidity. For the six months ended March 31, 2014, we incurred a net loss of $7.5 million. Net cash provided from operating activities for the six months ended March 31, 2014 totaled $7.3 million.

With respect to measures taken to improve liquidity:

• Credit Facility: On November 11, 2010, we entered into a Credit and Security Agreement (credit facility) with Wells Fargo Bank. The credit facility, as it has been amended through its five amendments, currently provides us with a revolving credit of up to $35 million through November 2015 that can be used for working capital requirements, letters of credit, and other general corporate purposes. The credit facility is secured by the Company's assets and is subject to a borrowing base formula based on the Company's eligible accounts receivable, inventory, and machinery and equipment accounts.

Our credit facility contains customary representations and warranties, and affirmative and negative covenants, including, among other things, cash balance and excess availability requirements, and limitations on liens and certain additional indebtedness and guarantees, in addition to minimum tangible net worth, fixed charge coverage, and EBITDA covenants. The covenants are written such that as long as we maintain the minimum cash balance and excess availability requirement, the other covenants are not required to be met. As of March 31, 2014, we were in compliance with the financial covenants contained in the credit facility since cash on deposit and excess availability exceeded the $2.5 million minimum financial covenant requirement.

Our credit facility also contains certain events of default, including a subjective acceleration clause. Under this clause, Wells Fargo may declare an event of default if it believes in good faith that our ability to pay all or any portion of our indebtedness with Wells Fargo or to perform any of our material obligations under the credit facility has been impaired, or if it believes in good faith that there has been a material adverse change in the business or financial condition of the Company. If an event of default is not cured within the grace period (if applicable), then Wells Fargo may, among other things, accelerate repayment of amounts borrowed under the credit facility, cease making advances under the credit facility, or take possession of the Company's assets that secure its obligations under the credit facility. We do not anticipate at this time any change in the business or financial condition of the Company that could be deemed a material adverse change by Wells Fargo.

The borrowing availability provided by the credit facility includes approximately $3.9 million secured by machinery and equipment, which is reduced monthly by approximately $91,000. The borrowing base also includes amounts which are not yet earned by the final rendition of services by the Company including progress billings and that portion of those amounts earned but not yet invoiced. The borrowing base for these amounts will be the lesser of (1) 60% of these amounts, or (2) $5.0 million.

The credit facility established the Company's minimum cash balance and excess liquidity requirement at $2.5 million until June 30, 2014, when it will increase by $750,000 and thereafter on the first day of each quarter until it reaches a maximum of $5.0 million. If the minimum cash balance and excess liquidity requirement falls below the specified amounts, the other financial covenants noted above are triggered.

8

On August 26, 2013, we entered into a Fifth Amendment to the credit facility, pursuant to which Wells Fargo agrees, among other things, to provide up to $7.5 million in additional secured financing to the Company using certain real estate as collateral, subject to the terms and conditions of the Fifth Amendment and the credit facility.This change to the borrowing base calculation was not implemented as of March 31, 2014 as not all conditions required had been completed.

As of March 31, 2014, we had a $17.6 million LIBOR rate loan outstanding under our credit facility, with an interest rate of 3.3%. As of April 30, 2014, the outstanding balance under this credit facility totaled approximately $2.2 million. As of March 31, 2014, the credit facility also had $1.5 million reserved for five outstanding stand-by letters of credit, leaving a remaining $1.9 million borrowing availability balance under this credit facility. We now expect at least 50% of the $35.0 million credit facility to be available for use during fiscal year 2014.

• Stock Sales: During August 2012, we filed a shelf registration statement on Form S-3 with the SEC pursuant to which we may, from time to time, sell up to an aggregate of $50 million of our common or preferred stock, warrants or debt securities. On August 23, 2012, the registration statement was declared effective by the SEC, which will allow us to access the capital markets for the three year period following this effective date as long as we continue to meet the eligibility requirements for the use of Form S-3. On September 18, 2013, we sold 2,875,000 shares of common stock for net proceeds of $11.7 million, which was the second stock sale completed under the above referenced shelf registration.

We believe that our existing balances of cash and cash equivalents and amounts expected to be available under our credit facility will provide us with sufficient financial resources to meet our cash requirements for operations, working capital, and capital expenditures for the next twelve months.

However, in the event of unforeseen circumstances, unfavorable market or economic developments, unfavorable results from operations, material claims made under the indemnification provisions of our Master Purchase Agreement with SEI in excess of amounts held in escrow, or if Wells Fargo declares an event of default on the credit facility, we may have to raise additional funds or reduce expenditures by any one or a combination of the following: issuing equity, debt or convertible debt, selling certain product lines and/or portions of our business, furloughs, or reduction of discretionary spending. There can be no assurance that we will be able to raise additional funds on terms acceptable to us, or at all. A significant contraction in the capital markets, particularly in the technology sector, or adverse developments in our business may make it difficult for us to raise additional capital if or when it is required, especially if we experience negative operating results. If adequate capital is not available to us as required, or is not available on favorable terms, our business, financial condition, results of operations, and cash flows may be adversely affected.

NOTE 2. Recent Accounting Pronouncements

There have been no recent accounting pronouncements or changes in accounting pronouncements that are of significance, or of potential significance, to us other than those discussed below:

• In March 2013, the FASB issued ASU No. 2013-05, Foreign Currency Matters. This accounting standard update requires an entity to release into net income the entire amount of a cumulative translation adjustment related to its investment in a foreign entity when as a parent it either sells a part or all of its investment in the foreign entity or no longer holds a controlling financial interest in a subsidiary or group of assets within the foreign entity. This accounting standard update will be effective for our fiscal year beginning on October 1, 2014. We are currently evaluating the impact of this accounting standard update on our Consolidated Financial Statements.

• In July 2013, the FASB issued ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. The guidance requires a liability related to an unrecognized tax benefit to be offset against a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if certain criteria are met. The guidance is effective for interim and annual periods beginning after December 15, 2013 and should be applied prospectively to unrecognized tax benefits that exist at the effective date. Early adoption and retrospective application of the new guidance is permitted. We implemented this accounting standard update during the fiscal quarter ended March 31, 2014 and it had no significant impact on our Consolidated Financial Statements.

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NOTE 3. Fair Value Accounting

ASC 820, Fair Value Measurements, establishes a valuation hierarchy for disclosure of the inputs to valuation techniques used to measure fair value. This standard describes a fair value hierarchy based on three levels of inputs, of which the first two are considered observable and the last unobservable, that may be used to measure fair value:

• Level 1 inputs are unadjusted quoted prices in active markets for identical assets or liabilities. We classify investments within Level 1 if quoted prices are available in active markets.

• Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly, through market corroboration, for substantially the full term of the financial instrument. We classify items in Level 2 if the investments are valued using observable inputs to quoted market prices, benchmark yields, reported trades, broker/dealer quotes or alternative pricing sources with reasonable levels of price transparency.

• Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value. A financial asset or liability's classification within this hierarchy is determined based on the lowest level input that is significant to the fair value measurement. We do not hold any financial assets or liabilities within Level 3.

Valuation techniques used to measure fair value under ASC 820 must maximize the use of observable inputs and minimize the use of unobservable inputs. The following table lists our financial assets and liabilities that are measured at fair value on a recurring basis:

Fair Value Measurement
(in thousands)	Level 1		Level 2	Level 3
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Remaining Inputs	Significant Unobservable Inputs	Total
As of March 31, 2014
Assets:
Cash and cash equivalents	$	18,175	—	—	$	18,175
Restricted cash	1,993		—	—	1,993
Liabilities:
Warrant liability	—		226	—	226
As of September 30, 2013
Assets:
Cash and cash equivalents	$	16,104	—	—	$	16,104
Restricted cash	815		—	—	815
Liabilities:
Warrant liability	—		155	—	155

Cash consists primarily of bank deposits or, occasionally, highly liquid short-term investments with a maturity of three months or less at the time of purchase.

Restricted cash represents temporarily restricted deposits held as compensating balances against short-term borrowing arrangements.

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As of March 31, 2014 and September 30, 2013, warrants representing the right to purchase 400,001 shares of our common stock were outstanding. All of our warrants meet the classification requirements for liability accounting pursuant to ASC 815, Derivatives and Hedging. Each quarter, we expect an impact on our statement of operations and comprehensive (loss) income when we record the change in fair value of our outstanding warrants using the Monte Carlo option valuation model. The Monte Carlo option valuation model is used since it allows the valuation of each warrant to factor in the value associated with our right to effect a mandatory exercise of each warrant. The valuation model requires the input of subjective assumptions, including the warrant's expected life and the price volatility of the underlying stock. The change in the fair value of our warrants has been primarily due to the change in the closing price of our common stock.

The carrying amounts of accounts receivable, prepaid expenses and other current assets, borrowings from our credit facility, accounts payable, accrued expenses and other current liabilities approximate fair value because of the short maturity of these instruments.

NOTE 4. Accounts Receivable

The components of accounts receivable consisted of the following:

	As of			As of
(in thousands)	March 31, 2014			September 30, 2013
Accounts receivable	$	33,989		$	39,827
Accounts receivable – unbilled	3,562			5,362
Accounts receivable, gross	37,551			45,189
Allowance for doubtful accounts	(98		)	(3,363		)
Accounts receivable, net	$	37,453		$	41,826

Unbilled accounts receivable represents revenue recognized but not yet billed as of the period ended. Billings on contracts using the percentage-of-completion method usually occur upon completion of predetermined contract milestones or other contract terms, such as customer approval. The allowance for doubtful accounts is based on the age of receivables and a specific identification of receivables considered at risk of collection.

As of March 31, 2014 and September 30, 2013, we had $7.3 million and $9.2 million, respectively, of accounts receivable recorded using the percentage of completion method. Of these amounts, $4.5 million was invoiced and $2.8 million was unbilled as of March 31, 2014 and $4.6 million was invoiced and $4.6 million was unbilled as of September 30, 2013.

Included in accounts receivable, net at March 31, 2014 and September 30, 2013 is $0.1 million and $6.5 million, respectively, from sales to Suncore. See Note 15 - Suncore Joint Venture for additional disclosures related to Suncore.

The decrease in the allowance for doubtful accounts during the six months ended March 31, 2014 is primarily due to historical amounts that were written off.

NOTE 5. Inventory

The components of inventory consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Raw materials	$	11,639	$	12,094
Work in-process	5,257		4,122
Finished goods	11,622		15,899
Inventory	$	28,518	$	32,115

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NOTE 6. Property, Plant, and Equipment, net

The components of property, plant, and equipment, net consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Land	$	1,502	$	1,502
Building and improvements	18,110		18,423
Equipment	21,484		23,134
Furniture and fixtures	81		95
Computer hardware and software	848		933
Leasehold improvements	2,647		3,029
Construction in progress	2,541		2,628
Property, plant, and equipment, net	$	47,213	$	49,744

As of March 31, 2014 and September 30, 2013, accumulated depreciation was approximately $83.4 million and $79.9 million, respectively.

NOTE 7. Intangible Assets

The following table sets forth the carrying value of intangible assets by reporting segment:

(in thousands)	As of March 31, 2014							As of September 30, 2013
	Gross Assets		Accumulated Amortization			Net Assets		Gross Assets		Accumulated Amortization			Net Assets
Fiber Optics:
Core Technology	$	12,727	$	(12,033	)	$	694	$	12,727	$	(11,822	)	$	905
Customer Relations	3,511		(2,791		)	720		3,511		(2,647		)	864
Patents	4,697		(4,557		)	140		4,697		(4,498		)	199
	20,935		(19,381		)	1,554		20,935		(18,967		)	1,968
Photovoltaics:
Patents	1,972		(1,876		)	96		1,972		(1,781		)	191
Total	$	22,907	$	(21,257	)	$	1,650	$	22,907	$	(20,748	)	$	2,159

Amortization expense related to intangible assets is included in selling, general, and administrative expense on our statement of operations and comprehensive (loss) income. Based on the carrying amount of our intangible assets as of March 31, 2014, the estimated future amortization expense is as follows:

Estimated Future Amortization Expense
(in thousands)
Six months ended September 30, 2014	$	509
Fiscal year ended September 30, 2015	555
Fiscal year ended September 30, 2016	554
Fiscal year ended September 30, 2017	32
Fiscal year ended September 30, 2018 and thereafter	—
Total	$	1,650

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NOTE 8. Accrued Expenses and Other Current Liabilities

The components of accrued expenses and other current liabilities consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Compensation	$	3,833	$	4,361
Warranty	4,833		4,030
Termination fee	2,775		2,775
Professional fees	748		676
Royalty	815		1,061
Customer deposits	1,254		730
Deferred revenue	831		2,565
Self insurance	1,360		1,352
Income and other taxes	1,385		1,345
Loss on sale contracts	428		415
Severance and restructuring accruals	585		601
Other	1,614		1,686
Accrued expenses and other current liabilities	$	20,461	$	21,597

Severance and restructuring accruals: In August 2012, Mr. Reuben Richards, Jr. proposed to the Board to step-down from his position as the Company's Executive Chairman and all other positions he held as an officer or employee of the Company and its affiliates, effective as of September 30, 2012. Mr. Richards remained as Chairman of the Board and a member of the Board.

The Company and Mr. Richards entered into a separation agreement and general release, dated August 6, 2012 (Separation Agreement), which includes mutual releases by Mr. Richards and the Company of all claims related to Mr. Richards' employment and service relationship with, and termination of employment and service from, the Company. Under the terms of the Separation Agreement, Mr. Richards acknowledged and agreed that the restrictive covenants contained in his employment agreement would remain in full force and effect. The separation agreement provides for among other things, the continuation of his base salary for 88 weeks, benefits for 18 months, and immediate vesting of all his outstanding non-vested equity awards. These payments are not contingent upon any future service by Mr. Richards. In fiscal year 2012, we recorded a charge of $1.1 million related to Mr. Richards' separation agreement.

On November 15, 2013, Mr. Chris Larocca proposed to resign as the Company's Chief Operating Officer, effective as of November 30, 2013. The Company recorded a charge of $0.5 million in the three months ended December 31, 2013 related to the separation agreement entered into as part of Mr. Larocca's resignation.

Our severance and restructuring-related accrual specifically relates to the Separation Agreement and non-cancelable obligations associated with an abandoned leased facility. Expense related to severance and restructuring accruals is included in selling, general, and administrative expense on our statement of operations and comprehensive (loss) income. The following table summarizes the changes in the severance and restructuring-related accrual accounts:

(in thousands)	Severance-related accruals			Restructuring-related accruals			Total
Balance as of September 30, 2013	$	523		$	78		601
Expense - charged to accrual	812			—			812
Payments and accrual adjustments	(750		)	(78		)	(828		)
Balance as of March 31, 2014	$	585		$	—		$	585

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Warranty: We generally provide product and other warranties on our solar cells, components, power systems, and fiber optic products, in addition to certain already divested product lines where we retained the warranty obligations. Certain parts and labor warranties from our vendors can be assigned to our customers. Our reported financial position or results of operations may be materially different under changed conditions or when using different estimates and assumptions. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information.

The following table summarizes the changes in our product warranty accrual accounts:

Product Warranty Accruals	For the three months ended March 31,						For the Six Months Ended March 31,
(in thousands)	2014			2013			2014			2013
Balance at beginning of period	$	4,415		$	4,580		$	4,561		$	4,100
Provision for product warranty - expense	1,296			1,772			1,562			2,401
Adjustments and utilization of warranty accrual	(347		)	(2		)	(759		)	(151		)
Balance at end of period	$	5,364		$	6,350		$	5,364		$	6,350
Current portion	$	4,833		$	5,942		$	4,833		$	5,942
Non-current portion	531			408			531			408
Product warranty liability at end of period	$	5,364		$	6,350		$	5,364		$	6,350

The decrease in our provision for product warranty expense for the three and six months ended March 31, 2014 compared to the same period in 2013 was primarily due to specific customer warranty claims in 2013.

NOTE 9. Impact from Thailand Flood

In October 2011, we announced that flood waters had severely impacted the inventory and production operations of our primary contract manufacturer in Thailand. The impacted areas included certain product lines for the Telecom and Cable Television (CATV) market segments. Our Photovoltaics segment was not affected by the Thailand floods.

In December 2012, we received flood-related insurance proceeds of $4.2 million in the form of forgiveness of $2.2 million of outstanding capital lease obligations and $2.0 million of outstanding payables. In March 2013, we received the final flood-related insurance proceeds of $14.8 million in the form of a receivable of $8.2 million, which we received cash payment for in April 2013, forgiveness of $3.4 million of outstanding capital lease obligations and $3.2 million of outstanding payables. No additional flood-related insurance proceeds associated with this event are anticipated.

NOTE 10. Credit Facilities

On November 11, 2010, we entered into a Credit and Security Agreement (credit facility) with Wells Fargo Bank. The credit facility, as it has been amended through its five amendments, currently provides us with a revolving credit of up to $35 million through November 2015 that can be used for working capital requirements, letters of credit, and other general corporate purposes. The credit facility is secured by the Company's assets and is subject to a borrowing base formula based on the Company's eligible accounts receivable, inventory, and machinery and equipment accounts.

The credit facility contains customary representations and warranties, and affirmative and negative covenants, including, among other things, cash balance and excess availability requirements, and limitations on liens and certain additional indebtedness and guarantees, in addition to minimum tangible net worth, fixed charge coverage, and EBITDA covenants. The covenants are written such that as long as we maintain the minimum cash balance and excess availability requirement, the other covenants are not required to be met. As of March 31, 2014, we were in compliance with the financial covenants contained in the credit facility since cash on deposit and excess availability exceeded the $2.5 million minimum financial covenant requirement.

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The credit facility also contains certain events of default, including a subjective acceleration clause. Under this clause, Wells Fargo may declare an event of default if it believes in good faith that our ability to pay all or any portion of our indebtedness with Wells Fargo or to perform any of our material obligations under the credit facility has been impaired, or if it believes in good faith that there has been a material adverse change in the business or financial condition of the Company. If an event of default is not cured within the grace period (if applicable), then Wells Fargo may, among other things, accelerate repayment of amounts borrowed under the credit facility, cease making advances under the credit facility, or take possession of the Company's assets that secure its obligations under the credit facility. We do not anticipate at this time any change in the business or financial condition of the Company that could be deemed a material adverse change by Wells Fargo.

The borrowing availability provided by the credit facility includes approximately $3.9 million secured by machinery and equipment, which is reduced monthly by approximately $91,000. The borrowing base also includes amounts which are not yet earned by the final rendition of services by the Company including progress billings and that portion of those amounts earned but not yet invoiced. The borrowing base for these amounts will be the lesser of (1) 60% of these amounts, or (2) $5.0 million.

The credit facility established the Company's minimum cash balance and excess liquidity requirement at $2.5 million until June 30, 2014, when it will increase by $750,000 and thereafter on the first day of each quarter until it reaches a maximum of$5.0 million. If the minimum cash balance and excess liquidity requirement falls below the specified amounts, the other financial covenants noted above are triggered.

On August 26, 2013, we entered into a Fifth Amendment to the credit facility, pursuant to which Wells Fargo agrees, among other things, to provide up to $7.5 million in additional secured financing to the Company using certain real estate as collateral, subject to the terms and conditions of the Fifth Amendment and the credit facility. This change to the borrowing base calculation was not implemented as of March 31, 2014 as not all conditions required had been completed.

As of March 31, 2014, we had a $17.6 million LIBOR rate loan outstanding, with an interest rate of 3.3%, and approximately $1.5 million reserved for five outstanding stand-by letters of credit under the credit facility. We now expect at least 50% of the $35.0 million credit facility to be available for use during fiscal year 2014.

NOTE 11. Income and other Taxes

During the three months ended March 31, 2014 and 2013, there were no material increases or decreases in unrecognized tax benefits and we do not anticipate any material increases or decreases in the amounts of unrecognized tax benefits for the remaining fiscal year 2014. As of March 31,2014 and September 30, 2013, we had approximately $387,000 and $354,000, respectively, of interest and penalties accrued as tax liabilities on our balance sheet.

During the three months ended March 31, 2014 and 2013, we incurred no income tax expense. During the six months ended March 31, 2014 and 2013, we incurred $0 and $0.1 million, respectively, of income tax expense. The provision for 2013 is primarily due to federal alternative minimum tax and state income tax.

We file income tax returns in the U.S. federal, state, and local jurisdictions and, currently, no federal and local income tax returns are under examination. We are currently under examination by one state for the fiscal years 2009 through 2011. The following tax years remain open to assessment for each of the more significant jurisdictions where we are subject to income taxes: after fiscal year 2009 for U.S. federal, after fiscal year 2008 for the state of California, and after fiscal year 2009 for the state of New Mexico.

Included in our operating income for the six months ended March 31, 2014 were $0.6 million of New Mexico incentive tax credits received. The amount received was allocated to cost of goods sold, selling, general and administrative and research and development expense primarily based on the number of employees allocated to the related departments. These credits will result in cash refunds and reduction of future payroll and compensation taxes. There were $1.4 million of incentive tax credits received during the three and six months ended March 31, 2013.

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NOTE 12. Commitments and Contingencies

Operating Lease Obligations: We lease certain land, facilities, and equipment under non-cancelable operating leases. Operating lease amounts exclude renewal option periods, property taxes, insurance, and maintenance expenses on leased properties. Our facility leases typically provide for rental adjustments for increases in base rent (up to specific limits), property taxes, insurance, and general property maintenance that would be recorded as rent expense. Rent expense was approximately $0.4 million and $0.8 million for the three months ended March 31, 2014 and 2013, respectively and approximately $0.8 million and $1.5 million for the six months ended March 31, 2014 and 2013, respectively.  There are no off-balance sheet arrangements other than our operating leases.

Asset Retirement Obligations: We have known conditional asset retirement conditions, such as certain asset decommissioning and restoration of rented facilities to be performed in the future. Our asset retirement obligations include assumptions related to renewal option periods for those facilities where we expect to extend lease terms. In future periods, the asset retirement obligation is accreted for the change in its present value and capitalized costs are depreciated over the useful life of the related assets. If the fair value of the estimated asset retirement obligation changes, an adjustment will be recorded to both the asset retirement obligation and the asset retirement capitalized cost. Revisions in estimated liabilities can result from revisions of estimated inflation rates, escalating retirement costs, and changes in the estimated timing of settling asset retirement obligations. The fair value of our asset retirement obligations were estimated by discounting projected cash flows over the estimated life of the related assets using credit adjusted risk-free rates which ranged from 3.25% to 5.78%. There were no asset retirement obligations settled during the three and six months ended March 31, 2014 and 2013. Accretion expense of $0.1 million and $0.1 million was recorded during the three and six months ended March 31, 2014, and 2013, respectively.

Indemnifications: We have agreed to indemnify certain customers against claims of infringement of the intellectual property rights of others in our sales contracts with these customers. Historically, we have not paid any claims under these indemnification obligations. On September 19, 2013, we received written notice from a customer of our broadband products requesting indemnification relating to a lawsuit brought against them alleging patent infringement of a system incorporating our product. As of March 31, 2014, there has been no resolution to this claim. In March 2012, we entered into a Master Purchase Agreement with SEI, pursuant to which we agreed to sell certain assets and transfer certain obligations associated with our Fiber Optics segment. Under the terms of the Master Purchase Agreement, we have agreed to indemnify SEI for up to $3.4 million of potential claims and expenses for the two-year period following the sale and we recorded this amount as a deferred gain on our balance sheet as of March 31, 2014 and September 30, 2013 as a result of these contingencies. In April and May 2013, we received letters from SEI asserting indemnification claims under the Master Purchase Agreement up to $1.5 million. As of March 31, 2014, there has been no resolution to these claims. See Note 1 - Description of Business in the notes to the condensed consolidated financial statements for additional disclosures related to this asset sale.

Legal Proceedings: We are subject to various legal proceedings, claims, and litigation, either asserted or unasserted that arise in the ordinary course of business. While the outcome of these matters is currently not determinable, we do not expect the resolution of these matters will have a material adverse effect on our business, financial position, results of operations, or cash flows. However, the results of these matters cannot be predicted with certainty. Professional legal fees are expensed when incurred. We accrue for contingent losses when such losses are probable and reasonably estimable. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information. Should we fail to prevail in any legal matter or should several legal matters be resolved against the Company in the same reporting period, then the financial results of that particular reporting period could be materially affected.

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a) Intellectual Property Lawsuits

We protect our proprietary technology by applying for patents where appropriate and, in other cases, by preserving the technology, related know-how and information as trade secrets. The success and competitive position of our product lines are impacted by our ability to obtain intellectual property protection for our research and development efforts. We have, from time to time, exchanged correspondence with third parties regarding the assertion of patent or other intellectual property rights in connection with certain of our products and processes.

b) Nichia Corporation

On October 8, 2013, we were served with a complaint filed by Nichia Corporation in the United States District Court for the Eastern District of Texas, alleging patent infringement by one of our broadband products, unspecified monetary damages and injunctive relief (Nichia Corporation v. EMCORE Corporation, Case No.: 2-13-CV480). We answered the complaint and denied the allegations. We will vigorously defend ourselves against the plaintiff's claims.

NOTE 13. Equity

Stock Sales

During August 2012, we filed a shelf registration statement on Form S-3 with the SEC pursuant to which we may, from time to time, sell up to an aggregate of $50 million of our common or preferred stock, warrants or debt securities. On August 23, 2012, the registration statement was declared effective by the SEC, which will allow us to access the capital markets for the three year period following this effective date as long as we continue to meet the eligibility requirements for the use of Form S-3. On October 3, 2012, we sold 1,832,410 shares of common stock for net proceeds of $9.5 million. In addition, on September 18, 2013, we sold 2,875,000 shares of common stock for net proceeds of $11.7 million.

Equity Plans

We provide long-term incentives to eligible officers, directors, and employees in the form of equity-based awards.  We maintain three equity incentive compensation plans, collectively described below as our Equity Plans:

• the 2000 Stock Option Plan (2000 Plan),

• the 2010 Equity Incentive Plan (2010 Equity Plan),

• the 2012 Equity Incentive Plan (2012 Equity Plan).

On March 5, 2014, our shareholders approved an amendment to the 2012 Equity Plan to increase the total number of shares of common stock available for grant under the 2012 Equity Plan by 1,000,000 shares, to a total authorized of 2,000,000 shares.

We issue new shares of common stock to satisfy awards issued under our Equity Plans.

Stock Options

Most of our stock options vest and become exercisable over a four to five year period and have a contractual life of 10 years. Certain stock options awarded are intended to qualify as incentive stock options pursuant to Section 422A of the Internal Revenue Code.

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The following table summarizes stock option activity under the Equity Plans for the six months ended March 31, 2014:

	Number of Shares		Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (*) (in thousands)
Outstanding as of September 30, 2013	1,745,948		$17.78
Granted	24,575		$4.97
Exercised	(6,100	)	$4.52		$	4
Forfeited	(30,805	)	$4.55
Expired	(59,230	)	$20.81
Outstanding as of March 31, 2014	1,674,388		$17.77	3.74
Exercisable as of March 31, 2014	1,504,207		$19.23	3.24	$	120
Vested and expected to vest as of March 31, 2014	1,647,359		$17.99	3.66	$	209

(*) Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option's exercise price and the underlying stock price. For the six months ended March 31, 2013, the intrinsic value of options exercised was $92,000.

As of March 31, 2014, there was approximately $0.6 million of unrecognized stock-based compensation expense, net of estimated forfeitures, related to non-vested stock options granted under the Equity Plans which is expected to be recognized over an estimated weighted average life of 2.9 years.

Valuation Assumptions

The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option valuation model, adhering to the straight-line attribution approach using the following weighted-average assumptions, of which the expected term and stock price volatility rate are highly subjective:

	For the Three Months Ended March 31,					For the Six Months Ended March 31,
	2014		2013			2014			2013
Black-Scholes weighted average assumptions:
Expected dividend rate	—	%	—		%	—		%	—		%
Expected stock price volatility rate	93.4	%	96.5		%	93.8		%	96.9		%
Risk-free interest rate	1.9	%	1.1		%	1.9		%	1.0		%
Expected term (in years)	6.0		6.0			6.0			6.0
Weighted average grant date fair value per share of stock options granted:	$3.76		$	4.28		$	3.79		$	3.94

Restricted Stock

Restricted stock awards (RSAs) and restricted stock units (RSUs) granted under the 2010 Equity Plan and 2012 Equity Plan typically vest over 3 years and are subject to forfeiture if employment terminates prior to the lapse of the restrictions. RSAs are considered issued and outstanding shares on the grant date and have the same dividend and voting rights as other common stock. RSUs are not considered issued or outstanding common stock until they vest.

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The following table summarizes the activity related to RSAs and RSUs for the six months ended March 31, 2014:

Restricted Stock Activity	Restricted Stock Awards			Restricted Stock Units
	Number of Shares		Weighted Average Grant Date Fair Value	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2013	99,561		$5.84	854,928		$4.51
Granted	—		—	656,750		$4.89
Vested	(92,932	)	$5.68	(326,657	)	$4.35
Forfeited	(2,463	)	$5.68	(71,974	)	$4.41
Non-vested as of March 31, 2014	4,166		$9.64	1,113,047		$4.79

Restricted stock awards: As of March 31, 2014, there was approximately $3,000 of remaining unamortized stock-based compensation expense, net of estimated forfeitures, associated with RSAs, which will be expensed over a weighted average remaining service period of approximately 0.1 years.

Restricted stock units: As of March 31, 2014, there was approximately $3.9 million of remaining unamortized stock-based compensation expense, net of estimated forfeitures, associated with RSUs, which will be expensed over a weighted average remaining service period of approximately 2.2 years. The 1.1 million outstanding non-vested RSUs have an aggregate intrinsic value of approximately $5.6 million and a weighted average remaining contractual term of 1.4 years. Of the 1.1 million outstanding non-vested RSUs, approximately 1.0 million RSUs are expected to vest and have an aggregate intrinsic value of approximately $4.9 million and a weighted average remaining contractual term of 1.4 years.

Stock-based compensation

The effect of recording stock-based compensation expense was as follows:

Stock-based Compensation Expense - by award type	For the Three Months Ended March 31,				For the Six Months Ended March 31,
(in thousands)	2014		2013		2014		2013
Employee stock options	$	43	$	123	$	110	$	381
Restricted stock awards and units	618		515		1,296		921
Employee stock purchase plan	108		125		228		256
401(k) match in common stock	250		257		410		513
Outside director fees in common stock	85		31		195		62
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Stock-based Compensation Expense - by expense type	For the Three Months Ended March 31,				For the Six Months Ended March 31,
(in thousands)	2014		2013		2014		2013
Cost of revenue	$	214	$	290	$	431	$	605
Selling, general, and administrative	579		459		1,220		841
Research and development	311		302		588		687
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

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Income (Loss) Per Share.

The following table sets forth the computation of basic and diluted net income (loss) per share:

Basic and Diluted Net (Loss) Income Per Share	For the Three Months Ended March 31,						For the Six Months Ended March 31,
(in thousands, except per share)	2014			2013			2014			2013
Numerator - Net (loss) income	$	(5,432	)	$	11,697		$	(7,486	)	$	14,523
Less: Undistributed earnings allocated to participating securities	—			(94		)	—			(118		)
Undistributed earnings allocated to common shareholders for basic net (loss) income per share	$	(5,432	)	$	11,603		$	(7,486	)	$	14,405
Undistributed earnings allocated to common shareholders for diluted net (loss) income per share	$	(5,432	)	$	11,603		$	(7,486	)	$	14,405
Denominator:
Denominator for basic net (loss) income per share - weighted average shares outstanding	30,392			26,310			30,162			26,142
Dilutive options outstanding, unvested stock units and ESPP	—			332			—			290
Denominator for diluted net (loss) income per share - adjusted weighted average shares outstanding	30,392			26,642			30,162			26,432
Basic net (loss) income per share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.55
Diluted net (loss) income per share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.54
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation	3,028			1,869			2,653			2,265
Average market price of common stock	$	4.96		$	5.66		$	5.00		$	5.16

The antidilutive stock options and unvested stock were excluded from the computation of diluted net income (loss) per share due to the assumed proceeds from the award’s exercise or vesting being greater than the average market price of the common shares or due to the Company incurring a net loss for the periods presented.

Employee Stock Purchase Plan

We maintain an Employee Stock Purchase Plan (ESPP) that provides employees an opportunity to purchase common stock through payroll deductions. The ESPP is a 6-month duration plan with new participation periods beginning on February 25 and August 26 of each year. The purchase price is set at 85% of the average high and low market price of our common stock on either the first or last day of the participation period, whichever is lower, and contributions are limited to the lower of 10% of an employee's compensation or $25,000. On March 5, 2014, our shareholders approved an amendment to the ESPP that increased the total number of shares of common stock on which options may be granted under the ESPP to 3,250,000 shares.

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Future Issuances

As of March 31, 2014, we had common stock reserved for the following future issuances:

Future Issuances	Number of Common Stock Shares Available for Future Issuances
Exercise of outstanding stock options	1,674,388
Unvested restricted stock units	1,113,047
Purchases under the employee stock purchase plan	1,245,506
Issuance of stock-based awards under the Equity Plans	1,037,540
Exercise of outstanding warrants	400,001
Purchases under the officer and director share purchase plan	88,741
Total reserved	5,559,223

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NOTE 14. Segment Data and Related Information

We have three operating divisions within the following two reporting segments:

• Fiber Optics: EMCORE Digital Fiber Optics Products and EMCORE Broadband Fiber Optics Products are aggregated as a separate reporting segment, Fiber Optics. Our Fiber Optics reporting segment provides optical components, subsystems, and systems for high-speed telecommunications, cable television (CATV), and fiber-to-the-premise (FTTP) networks, as well as products for satellite communications, video transport, and specialty photonics technologies for defense and homeland security applications.

• Photovoltaics: EMCORE Photovoltaics is a separate reporting segment, Photovoltaics. Our Photovoltaics reporting segment provides products for both space and terrestrial solar power applications. For space solar power applications, we offer high-efficiency multi-junction solar cells, covered interconnect cells (CICs), and complete satellite solar panels. For terrestrial power applications, we offer high-efficiency GaAs solar cells for concentrating photovoltaic (CPV) power systems.

We evaluate our reportable segments pursuant to ASC 280, Segment Reporting. The Company's Chief Executive Officer is the chief operating decision maker and he assesses the performance of the operating segments and allocates resources to segments based on their business prospects, competitive factors, net revenue, operating results, and other non-GAAP financial ratios.

Revenue: The following tables set forth revenue attributable to each of our reporting segments and by geographic region with revenue assigned to geographic regions based on our customers’ billing address.

Segment Revenue	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics revenue	$	23,620	$	23,130	$	46,912	$	52,808
Photovoltaics revenue	18,627		19,147		39,546		38,775
Total revenue	$	42,247	$	42,277	$	86,458	$	91,583

Revenue by Geographic Region	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
United States	$	27,016	$	28,324	$	55,113	$	62,991
Asia	11,093		8,825		21,380		17,725
Europe	3,986		4,892		9,420		10,105
Other	152		236		545		762
Total revenue	$	42,247	$	42,277	$	86,458	$	91,583

Revenue by geographic location is determined based on the location of our customer.

Significant Customers: Revenue from one of our customers of the Photovoltaics segment represented 12% and 11% of our consolidated revenue for the three and six months ended March 31, 2014. No single customer from the Photovoltaics segment represented greater than 10% of our consolidated revenue for the three and six months ended March 31, 2013. No single customer from the Fiber segment represented greater than 10% of our consolidated revenue for the three and six months ended March 31, 2014 and 2013.

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Operating (Loss) Income: The following table sets forth operating (loss) income attributable to each of our reporting segments.

Operating (Loss) Income	For the three months ended March 31,					For the six months ended March 31,
(in thousands)	2014			2013		2014			2013
Fiber Optics operating (loss) income	$	(7,320	)	$	7,892	$	(13,891	)	$	7,497
Photovoltaics operating income	2,071			4,279		6,402			7,520
Total operating (loss) income	$	(5,249	)	$	12,171	$	(7,489	)	$	15,017

Non-Cash Expenses: The following tables set forth our significant non-cash expenses attributable to each of our reporting segments.

Depreciation, Amortization, and Accretion Expense	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	1,456	$	1,384	$	2,940	$	2,666
Photovoltaics segment	639		660		1,223		1,396
Total depreciation, amortization, and accretion expense	$	2,095	$	2,044	$	4,163	$	4,062

Stock-based Compensation Expense	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	674	$	702	$	1,429	$	1,428
Photovoltaics segment	430		349		810		705
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Long-lived Assets: Long-lived assets consist primarily of property, plant, and equipment and also goodwill and intangible assets.  The following table sets forth long-lived assets for each of our reporting segments and our unallocated Corporate division.

Long-lived Assets	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Fiber Optics segment	$	21,490	$	23,804
Photovoltaics segment	39,408		40,048
Unallocated Corporate division	8,349		8,435
Long-lived assets	$	69,247	$	72,287

As of March 31, 2014 and September 30, 2013, approximately 81% and 80%, respectively, of our long-lived assets were located in the United States. The remaining assets are primarily located in China and Thailand.

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NOTE 15. Suncore Joint Venture

On July 30, 2010, we entered into a joint venture agreement with San'an Optoelectronics Co., Ltd. (San'an), for the purpose of engaging in the development, manufacturing, and distribution of CPV receivers, modules, and systems for terrestrial solar power applications under a technology license from us. The joint venture, Suncore Photovoltaic Technology Co., Ltd. (Suncore), is a limited liability company under the laws of the People's Republic of China. In June 2013, we entered into an agreement to transfer our 40% registered ownership interest in Suncore to San'an Optoelectronics Co., Ltd. ("San'an") for a purchase price of $4.8 million. Under the terms of the Transfer Agreement, each of the parties agreed to indemnify the other for any losses incurred as a result of either party's breach of its obligations under the Transfer Agreement. Closing was subject to customary conditions, including Chinese regulatory approvals. The payment for the purchase price was made upon the completion of the share transfer, which occurred in September 2013. Upon completion of the share transfer in September 2013, the Company recognized $3.3 million of deferred revenue from Suncore included in the financial statements as of June 30, 2013, as well as the resulting gain of $4.8 million on our registered ownership interest.

In November 2011, we agreed to grant Suncore an exclusive license to use certain intellectual property and know-how, both existing and to-be-developed, related to the fabrication process and testing of terrestrial CPV solar cells on terrestrial CPV solar systems solely within the PRC, Hong Kong, Macau, and Taiwan (the licensed territory) and be able to use, market, and sell the terrestrial CPV solar cells worldwide, excluding only the United States. This licensing agreement was initially for $2.5 million and does not include intellectual property associated with the development of space qualified or radiation hardened solar cells. Suncore had not fulfilled all the requirements necessary to initiate payment for this license; as a result, we did not record any receivables from Suncore associated with this license agreement as of September 30, 2013. In October 2013, we amended the license agreement with Suncore that provides for the license agreement to be amended from $2.5 million to $0.8 million. In addition, we were only required to provide ongoing support through December 31, 2013 to Suncore. During the three months ended December 31, 2013, we received full payment from Suncore and recognized license revenue of $0.8 million related to the amendment.

On August 5, 2012, we entered into a definitive agreement which consolidated the Company's terrestrial CPV system engineering and development efforts, for both ground mount and rooftop terrestrial CPV products, into Suncore. EMCORE employees who were engaged in terrestrial CPV product and business development, as well as key engineering, sales, and marketing personnel, were transferred to Suncore upon the closing of the agreement on September 21, 2012. Suncore funded all ongoing R&D, marketing, sales, and business development functions related to terrestrial CPV systems. We sold these assets for $2.8 million. Included in prepaid expenses and other current assets at September 30, 2012 is the $2.8 million sale price, which amount was collected during the three months ended December 31, 2012. EMCORE will continue to own all of its intellectual property related to solar cell technology and maintain investment activities to advance CPV solar cell performance to serve a broader customer base within the CPV industry.

During the three months ended March 31, 2014 and 2013, we recorded revenue from Suncore of $0.1 million and $2.9 million, respectively. During the six months ended March 31, 2014 and 2013, we recorded revenue from Suncore of $0.9 million and$5.5 million, respectively.

Included in prepaid expenses and other current assets as of March 31, 2014 and September 30, 2013, is $0.4 million and $0.3 million, respectively, for amounts due from Suncore related to transaction services provided in accordance with the August 2012 definitive agreement and other smaller amounts.

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion of our financial condition and results of operations in conjunction with the financial statements and the notes thereto included in Financial Statements under Item 1 within this Quarterly Report. The following discussion contains forward-looking statements that reflect our plans, estimates, and beliefs. Our actual results could differ materially from those discussed in the forward-looking statements. Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Quarterly Report, particularly in Risk Factors under Part II, Item IA. These cautionary statements apply to all forward-looking statements wherever they appear in this Quarterly Report.

Business Overview

EMCORE Corporation and its subsidiaries (referred to herein as the “Company”, “we”, “our”, or “EMCORE”) offers a broad portfolio of compound semiconductor-based products for the broadband, fiber optics, satellite, and solar power markets. We were established in 1984 as a New Jersey corporation and we have two reporting segments: Fiber Optics and Photovoltaics. EMCORE's Fiber Optics business segment provides optical components, subsystems and systems for high-speed telecommunications, Cable Television (CATV), Wireless and Fiber-To-The-Premise (FTTP) networks, as well as products for satellite communications, video transport and specialty photonics technologies for defense and homeland security applications. Our solar Photovoltaics business segment provides products for space power applications including high-efficiency multi-junction solar cells, Covered Interconnect Cells (CICs) and complete satellite solar panels, and terrestrial applications, including high-efficiency GaAs solar cells for concentrating photovoltaic (CPV) power systems. In addition to organic growth and development of our existing Fiber Optics and Photovoltaics segments, we intend to pursue other strategies to enhance shareholder value, which may include acquisitions, investments in joint ventures, partnerships, and other strategic alternatives, such as dispositions, reorganizations, recapitalizations or other similar transactions. Accordingly, the Strategy Committee of the Board and our management may from time to time be engaged in evaluating potential, and entering into definitive agreements with respect to, such transactions and other strategic alternatives.

Our headquarters and principal executive offices are located at 10420 Research Road, SE, Albuquerque, New Mexico, 87123, and our main telephone number is (505) 332-5000. For specific information about us, our products, or the markets we serve, please visit our website at http://www.emcore.com. The information contained in or linked to our website is not a part of, nor incorporated by reference into, this Quarterly Report on Form 10-Q or a part of any other report or filing with the Securities and Exchange Commission (SEC).

Recent Developments

Strategy Committee of the Board of Directors

The Company’s Board of Directors recently created a Strategy Committee of the Board of Directors, which is charged with evaluating strategic opportunities for the Company that may enhance shareholder value. The Strategy Committee may from time to time consider strategic opportunities, such as acquisitions, dispositions and joint ventures, and may engage financial and other advisors to assist it in doing so. There can be no assurance that the Strategy Committee will identify strategic opportunities that the Company will determine to pursue, or that the consideration of any such opportunity would result in the completion of a strategic transaction.

Suncore Joint Venture

In June 2013, we entered into an agreement to transfer our 40% registered ownership interest in Suncore to San'an for a purchase price of $4.8 million. The carrying value of our registered ownership interest in Suncore was $0 as of March 31, 2014. Upon completion of the share transfer in September 2013, the Company recognized $3.3 million of deferred revenue from Suncore included in the financial statements as of June 30, 2013, as well as the resulting gain of $4.8 million on our registered ownership interest. See Note 15 - Suncore Joint Venture in the notes to the condensed consolidated financial statements for more information regarding Suncore.

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Impact from Thailand Flood

In October 2011, flood waters severely impacted the inventory and production operations of our primary contract manufacturer in Thailand. The impacted areas included certain product lines for the Telecom and Cable Television (CATV) market segments. This had a significant impact on our operations and our ability to meet customer demand for certain of our fiber optics products. Our Photovoltaics segment was not affected by the Thailand floods.

Since that announcement, we developed and implemented a plan to rebuild the impacted production lines at other locations, including an alternate facility of our contract manufacturer in Thailand, as well as our own manufacturing facilities in the United States and China. We completed the plan to rebuild our production lines and return to pre-flood capacity production levels as of September 2012. See Note 9 - Impact from Thailand Flood in the notes to the condensed consolidated financial statements for additional disclosures related to the impact of the Thailand flood on our operations.

Results of Operations

The following table sets forth our consolidated statements of operations data expressed as a percentage of revenue. 

	For the three months ended March 31,				For the six months ended March 31,
	2014		2013		2014		2013
Revenue	100.0	%	100.0	%	100.0	%	100.0	%
Cost of revenue	83.7		81.5		80.3		79.5
Gross profit	16.3		18.5		19.7		20.5
Operating expense (income):
Selling, general, and administrative	16.4		16.0		17.2		14.9
Research and development	12.3		9.7		11.2		10.4
Flood-related insurance proceeds	—		(35.0	)	—		(20.7	)
Gain on sale of assets	—		(1.0	)	—		(0.5	)
Total operating expense	28.7		(10.3	)	28.4		4.1
Operating (loss) income	(12.4	)	28.8		(8.7	)	16.4
Other income (expense):
Interest expense, net	(0.3	)	(0.4	)	(0.3	)	(0.5	)
Foreign exchange gain	(0.2	)	—		—		0.1
Gain on sale of investment	—		—		0.4		—
Change in fair value of financial instruments	—		(0.6	)	(0.1	)	—
Total other expense	(0.5	)	(1.0	)	—		(0.4	)
(Loss) income before income tax expense	(12.9	)	27.8		(8.7	)	16.0
Income tax expense	—		—		—		(0.1	)
Net (loss) income	(12.9	)%	27.8	%	(8.7	)%	15.9	%

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Comparison of financial results:

Revenue:

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014		2013		$ Change			% Change
Fiber Optics revenue	$	23,620	$	23,130	$	490		2.1%
Photovoltaics revenue	18,627		19,147		(520		)	(2.7)%
Total revenue	$	42,247	$	42,277	$	(30	)	(0.1)%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014		2013		$ Change			% Change
Fiber Optics revenue	$	46,912	$	52,808	$	(5,896	)	(11.2)%
Photovoltaics revenue	39,546		38,775		771			2.0%
Total revenue	$	86,458	$	91,583	$	(5,125	)	(5.6)%

Fiber Optics Revenue:

Our Fiber Optics reporting segment provides optical components, subsystems, and systems for high-speed telecommunications, cable television (CATV), and fiber-to-the-premise (FTTP) networks, as well as products for satellite communications, video transport, and specialty photonics technologies for defense and homeland security applications. Our Fiber Optics segment is broken out into two distinct product lines:

• Broadband products, which includes cable television products, fiber-to-the-premises products, satellite communication products, video transport products, and defense and homeland security products; and,

• Digital products, which include telecom optical products.

For the three months ended March 31, 2014, revenue from broadband products decreased 6% compared to the same period during the prior year. This decrease was primarily driven by lower sales of our CATV products due to lower customer demand. Sales of our CATV products, which include our quadrature amplitude modulation (QAM) transmitters and receivers, represent the second largest percentage of our total fiber optics-related revenue.

For the six months ended March 31, 2014, revenue from broadband products decreased 20% compared to the same period during the prior year. This decrease was primarily driven by lower sales of our CATV products due to lower customer demand. Sales of our CATV products, which include our quadrature amplitude modulation (QAM) transmitters and receivers, represent the second largest percentage of our total fiber optics-related revenue.

For the three months ended March 31, 2014, revenue from digital products increased 15% compared to the same period during the prior year. This increase was primarily driven by higher sales of our integrated tunable laser assemblies (ITLAs) due to increased customer demand. Our telecom optical-related product line, which includes tunable XFP, and ITLAs, represent the largest percentage of our total fiber optics-related revenue.

For the six months ended March 31, 2014, revenue from digital products increased 6% compared to the same period during the prior year. This increase was primarily driven by higher sales of our integrated tunable laser assemblies ITLAs due to increased customer demand. Our telecom optical-related product line, which includes tunable XFP, and integrated tunable laser assemblies (ITLAs), represent the largest percentage of our total fiber optics-related revenue.

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Our Fiber Optics segment accounted for 56% and 55% of our consolidated revenue for the three months ended March 31, 2014 and 2013, respectively. Our Fiber Optics segment accounted for 54% and 58% of our consolidated revenue for the six months ended March 31, 2014 and 2013, respectively.

Photovoltaics Revenue:

Our Photovoltaics reporting segment provides products for both space and terrestrial solar power applications. For space solar power applications, we offer high-efficiency multi-junction solar cells, covered interconnect cells (CICs), and complete satellite solar panels. For terrestrial power applications, we offer high-efficiency multi-junction solar cells for concentrating photovoltaic (CPV) power systems.

For the three months ended March 31, 2014, revenue from photovoltaics decreased approximately 3% compared to the same period during the prior year primarily due to lower revenues from our CPV power systems. Sales of our satellite solar cells, CICs and panel products represent the largest percentage of our total photovoltaics-related revenue. Historically, our Photovoltaics revenue has fluctuated significantly due to the timing of program completions and product shipments of major orders.

For the six months ended March 31, 2014, revenue from photovoltaics increased approximately 2% compared to the same period during the prior year primarily due to higher revenues from our space cell products as a result of new international customer agreements. Sales of our satellite solar cells, CICs and panel products represent the largest percentage of our total photovoltaics-related revenue. Historically, our Photovoltaics revenue has fluctuated significantly due to the timing of program completions and product shipments of major orders.

Our Photovoltaics segment accounted for 44% and 45% of our consolidated revenue for the three months ended March 31, 2014 and 2013, respectively. Our Photovoltaics segment accounted for 46% and 42% of our consolidated revenue for the six months ended March 31, 2014 and 2013, respectively.

Gross Profit:

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014		2013		$ Change			% Change
Fiber Optics gross profit	$	1,933	$	1,619	$	314		19.4%
Photovoltaics gross profit	4,933		6,214		(1,281		)	(20.6)%
Total gross profit	$	6,866	$	7,833	$	(967	)	(12.3)%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014		2013		$ Change			% Change
Fiber Optics gross profit	$	4,330	$	6,584	$	(2,254	)	(34.2)%
Photovoltaics gross profit	12,671		12,197		474			3.9%
Total gross profit	$	17,001	$	18,781	$	(1,780	)	(9.5)%

Our cost of revenue consists of raw materials, compensation expense including non-cash stock-based compensation expense, depreciation expense and other manufacturing overhead costs, expenses associated with excess and obsolete inventories, and product warranty costs. Historically, our cost of revenue, as a percentage of revenue, has fluctuated largely due to inventory and specific product warranty charges. Our gross margins are also affected by product mix, manufacturing yields and volumes, and timing related to the completion of long-term contracts.

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Consolidated gross margins were 16.3% and 18.5% for the three months ended March 31, 2014 and 2013, respectively, and 19.7% and 20.5% for the six months ended March 31, 2014 and 2013, respectively.

Stock-based compensation expense within cost of revenue totaled approximately $0.2 million and $0.3 million during the three months ended March 31, 2014 and 2013, respectively, and approximately $0.4 million and $0.6 million during the six months ended March 31, 2014 and 2013, respectively.

Fiber Optics Gross Profit:

Fiber Optics gross margin was 8.2% and 7.0% for the three months ended March 31, 2014 and 2013, respectively, and 9% and 12% for the six months ended March 31, 2014 and 2013, respectively.

For the three months ended March 31, 2014, gross margins increased from our broadband and digital product lines when compared to the same period during the prior year. The increase in gross margins for the three months ended March 31, 2014 compared to the same period in 2013 is primarily due to higher sales volume. The decrease in gross margins for the six months ended March 31, 2014 compared to the same period in 2013 is due to lower sales volume and pricing.

Photovoltaics Gross Profit:

Photovoltaics gross margin was 26.5% and 32.5% for the three months ended March 31, 2014 and 2013, respectively, and 32.0% and 31.5% for the six months ended March 31, 2014 and 2013, respectively. The decrease in gross margin for the three months ended March 31, 2014 compared to the same period during the prior year is primarily due to lower revenues and tax credits received in 2013. The slight increase in gross margin for the six months ended March 31, 2014 compared to the same period during the prior year is primarily due to higher revenues, a decrease in the cost of raw materials used in our products, and an increase in sales of our higher margin products. Additionally, included in gross margin for the six months ended March 31, 2014 is $0.8 million of license technology revenue received from Suncore. See Note 15 - Suncore Joint Venture for additional disclosures related to the Suncore revenues.

Selling, General and Administrative (SG&A):

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014		2013		$ Change		% Change
SG&A expense	$	6,911	$	6,771	$	140	2.1%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014		2013		$ Change		% Change
SG&A expense	$	14,883	$	13,675	$	1,208	8.8%

SG&A consists primarily of compensation expense including non-cash stock-based compensation expense related to executive, finance, and human resources personnel, as well as sales and marketing expenses, professional fees, amortization expense on intangible assets, legal and patent-related costs, and other corporate-related expenses.

Stock-based compensation expense within SG&A totaled approximately $0.6 million and $0.5 million during the three months ended March 31, 2014 and 2013, respectively, and approximately $1.2 million and $0.8 million during the six months ended March 31, 2014 and 2013, respectively.

29

SG&A expense for the three months ended March 31, 2014 is consistent with the amount reported in the same period during the prior year. The increase in SG&A expense for the six months ended March 31, 2014 when compared to the same period during the prior year was due to higher severance related costs primarily associated with Mr. Larocca's resignation, additional costs associated with a shareholder group regarding matters addressed in their recent Schedule 13D filing with the SEC, and higher legal costs.

As a percentage of revenue, SG&A expenses were 16.4% and 16.0% for the three months ended March 31, 2014 and 2013, respectively, and 17.2% and 14.9% for the six months ended March 31, 2014 and 2013, respectively.

Research and Development (R&D):

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014		2013		$ Change		% Change
R&D expense	$	5,204	$	4,112	$	1,092	26.6%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014		2013		$ Change		% Change
R&D expense	$	9,607	$	9,502	$	105	1.1%

R&D consists primarily of compensation expense including non-cash stock-based compensation expense, as well as engineering and prototype costs, depreciation expense, and other overhead expenses, as they related to the design, development, and testing of our products. Our R&D costs are expensed as incurred. We believe that in order to remain competitive, we must invest significant financial resources in developing new product features and enhancements and in maintaining customer satisfaction worldwide.

Stock-based compensation expense within R&D totaled $0.3 million and $0.3 million during the three months ended March 31, 2014 and 2013, respectively, and $0.6 million and $0.7 million during the six months ended March 31, 2014 and 2013, respectively.

The increase in R&D expense for the three months ended March 31, 2014 when compared to the same period during the prior year was due to increased investment in R&D for both the Fiber Optic and Photovoltaics segments.

R&D expense for the six months ended March 31, 2014 is consistent with the amount reported in the same period during the prior year.

As a percentage of revenue, R&D expenses were 12.3% and 9.7% for the three months ended March 31, 2014 and 2013, respectively, and 11.2% and 10.4% for the six months ended March 31, 2014 and 2013, respectively.

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Other Operating Income:

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014		2013			$ Change			% Change
Flood-related insurance proceeds	$	—	$	(14,808	)	$	(14,808	)	(100.0)%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014		2013			$ Change			% Change
Flood-related insurance proceeds	$	—	$	(19,000	)	$	(19,000	)	(100.0)%

Flood-related Insurance Proceeds:

During the three and six months ended March 31, 2013, we received flood-related insurance proceeds of $14.8 million and $19.0 million, respectively, from our contract manufacturer. Flood-related insurance proceeds related to inventory and equipment destroyed by the Thailand flood were recognized when they became realized. See Note 9 - Impact from Thailand Flood in the notes to the condensed consolidated financial statements for additional disclosures related to the impact of the Thailand flood on our operations.

Operating (Loss) Income:

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014			2013		$ Change			% Change
Fiber Optics operating (loss) income	$	(7,320	)	$	7,892	$	(15,212	)	(192.8)%
Photovoltaics operating income	2,071			4,279		(2,208		)	(51.6)%
Total operating (loss) income	$	(5,249	)	$	12,171	$	(17,420	)	(143.1)%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014			2013		$ Change			% Change
Fiber Optics operating (loss) income	$	(13,891	)	$	7,497	$	(21,388	)	(285.3)%
Photovoltaics operating income	6,402			7,520		(1,118		)	(14.9)%
Total operating (loss) income	$	(7,489	)	$	15,017	$	(22,506	)	(149.9)%

Operating (loss) income represents revenue less the cost of revenue and direct operating expenses incurred within the operating segments as well as allocated expenses such as shared service departments and gains on sale of unconsolidated affiliates. Operating (loss) income is a measure of profit and loss that executive management uses to assess performance and make decisions. As a percentage of revenue, our operating (loss) income was (12.4)%, and 28.8% for the three months ended March 31, 2014 and 2013, respectively, and (8.7)% and 16.4% for the six months ended March 31, 2014 and 2013, respectively.

Included in our operating income for the six months ended March 31, 2014 are $0.6 million of tax credits received. The amount was allocated to cost of goods sold, selling, general and administrative and research and development expense primarily based on the number of employees allocated to the related departments. Included in our operating income for the three and six months ended March 31,2013 are $1.4 million of tax credits received.

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Other Income (Expense):

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014			2013			$ Change			% Change
Interest expense, net	$	(117	)	$	(186	)	$	69		37.1%
Foreign exchange loss	(90		)	(21		)	(69		)	(328.6)%
Gain on sale of investment	17			—			17			N/A
Change in fair value of financial instruments	7			(267		)	274			102.6%
Total other expense	$	(183	)	$	(474	)	$	291		61.4%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014			2013			$ Change			% Change
Interest expense, net	$	(243	)	$	(424	)	$	181		42.7%
Foreign exchange gain	10			80			(70		)	(87.5)%
Gain on sale of investment	307			—			307			N/A
Change in fair value of financial instruments	(71		)	(30		)	(41		)	(136.7)%
Total other income (expense)	$	3		$	(374	)	$	377		100.8%

Foreign Exchange

We recognize gains and losses due to the effect of exchange rate changes on foreign currency primarily due to our operations in Spain, the Netherlands, and in China. The assets and liabilities of our foreign operations are translated from their respective functional currencies into U.S. dollars at the rates in effect at the consolidated balance sheet dates, and the revenue and expense amounts are translated at the average rate during the applicable periods reflected on the consolidated statements of operations and comprehensive (loss) income. Foreign currency translation adjustments are recorded as accumulated other comprehensive income. Gains and losses from foreign currency transactions denominated in currencies other than the U.S. dollar, both realized and unrealized, are recorded as foreign exchange gain (loss) on our consolidated statements of operations and comprehensive loss. A majority of the gain or losses recorded relates to the change in value of the euro and yuan renminbi relative to the U.S. dollar.

Change in Fair Value of Financial Instruments

As of March 31, 2014 and September 30, 2013, warrants representing the right to purchase 400,001 shares of our common stock were outstanding.

All of our warrants meet the classification requirements for liability accounting pursuant to ASC 815, Derivatives and Hedging. Each quarter, we expect an impact on our statement of operations and comprehensive (loss) income when we record the change in fair value of our outstanding warrants using the Monte Carlo option valuation model. The Monte Carlo option valuation model is used since it allows the valuation of each warrant to factor in the value associated with our right to affect a mandatory exercise of each warrant. The valuation model requires the input of subjective assumptions, including the warrant's expected life and the price volatility of the underlying stock. The change in the fair value of our warrants has been primarily due to the change in the closing price of our common stock. See Note 3 - Fair Value Accounting in the notes to the condensed consolidated financial statements for additional information related to our valuation of our outstanding warrants.

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Gain on Sale of Investment

During the six months ended March 31, 2014, we sold our investment in a company that had a net book value of $0 at September 30, 2013, for $0.3 million.

Income Tax Expense

During the six months ended March 31, 2013, we recorded income tax expense of $0.1 million primarily due to federal alternative minimum income tax and state income taxes.

Net (Loss) Income:

(in thousands, except percentages)	For the Three Months Ended March 31,
	2014			2013		$ Change			% Change
Net (loss) income	$	(5,432	)	$	11,697	$	(17,129	)	(146.4)%

(in thousands, except percentages)	For the Six Months Ended March 31,
	2014			2013		$ Change			% Change
Net (loss) income	$	(7,486	)	$	14,523	$	(22,009	)	(151.5)%

Net (loss) income per basic and diluted share was $(0.18) and $0.44 for the three months ended March 31, 2014 and 2013, respectively. Net (loss) per basic and diluted share was $(0.25) for the six months ended March 31, 2014. Net income per basic and diluted share was $0.55 and $0.54 for the six months ended March 31,2013, respectively.

Order Backlog:

As of March 31, 2014, order backlog for our Photovoltaics segment totaled $51.4 million, a decrease of 7% from $55.3 million reported as of December 31, 2013. Order backlog is defined as purchase orders or supply agreements accepted by us and deferred revenue with expected product delivery and/or services to be performed within the next twelve months. From time to time, our customers may request that we delay shipment of certain orders and our order backlog could also be adversely affected if our customers unexpectedly cancel purchase orders that we have previously accepted.  

Product sales from our Fiber Optics segment are made pursuant to purchase orders, often with short lead times. These orders are subject to revision or cancellation and often are made without deposits. Fiber optics products typically ship within the same quarter in which a purchase order is received; therefore, our order backlog at any particular date is not necessarily indicative of actual revenue or the level of orders for any succeeding period.

33

Cash Flow:

Net Cash Provided By (Used In) Operating Activities

Operating Activities (in thousands, except percentages)	For the Six Months Ended March 31,
	2014		2013			$ Change		% Change
Net cash provided by (used in) operating activities	$	7,300	$	(10,198	)	$	17,498	171.6%

Fiscal 2014:

For the six months ended March 31, 2014, our operating activities provided cash of $7.3 million for the six months ended March 31, 2014 primarily due to the changes in our current assets and liabilities (or working capital components) of $6.7 million, depreciation, amortization and accretion expense of $4.2 million, stock-based compensation expense of $2.2 million, warranty provision of $1.6 million and allowance for doubtful accounts of $0.4 million partially offset by our net loss of $7.5 million and the gain on sale of investment of $0.3 million. The change in our current assets and liabilities was primarily the result of a decrease in accounts receivable of $4.0 million, other assets of $2.5 million and inventory of $3.5 million, partially offset by a decrease in accrued expenses and other liabilities of $2.7 million and accounts payable of $0.6 million. The decrease in accounts payable is primarily a result of paying down balances that had increased in prior periods with the proceeds received in the current period from the collection of accounts receivable.

Fiscal 2013:

Our operating activities consumed cash of $10.2 million for the six months ended March 31, 2013 primarily due to the changes in our current assets and liabilities (or working capital components) of $14.4 million and non-cash insurance proceeds of $19.0 million, partially offset by our net income of $14.5 million, depreciation, amortization and accretion expense of $4.1 million, stock-based compensation expense of $2.1 million and warranty provision of $2.4 million. The change in our current assets and liabilities was primarily the result of a decrease in accounts payable of $9.2 million, a decrease in accrued expenses and other current liabilities of $4.4 million, and an increase in inventory of $0.6 million, partially offset by a decrease in other assets of $2.4 million and accounts receivable of $2.6 million. The decrease in accounts payable is primarily a result of paying down balances that had increased in prior quarters with the proceeds received in the current period from the issuance of common stock and the collection of other current assets.

Working Capital Components:

Accounts Receivable: We generally expect the level of accounts receivable at any given quarter to reflect the level of sales in that quarter. Our accounts receivable balances have fluctuated historically due to the timing of account collections, timing of product shipments, and/or change in customer credit terms.

Inventory: We generally expect the level of inventory at any given quarter to reflect the change in our expectations of forecasted sales. Our inventory balances have fluctuated historically due to the timing of customer orders and product shipments, changes in our internal forecasts related to customer demand, as well as adjustments related to excess and obsolete inventory.

Accounts Payable: The fluctuation of our accounts payable balances is primarily driven by changes in inventory purchases as well as changes related to the timing of actual payments to vendors.

Accrued Expenses: Our largest accrued expense typically relates to compensation. Historically, fluctuations of our accrued expense accounts have primarily related to changes in the timing of actual compensation payments, receipt or application of advanced payments, adjustments to our warranty accrual, and accruals related to professional fees.

34

Net Cash Used In Investing Activities

Investing Activities (in thousands, except percentages)	For the Six Months Ended March 31,
	2014			2013			$ Change		% Change
Net cash used in investing activities	$	(1,910	)	$	(4,816	)	$	2,906	60.3%

Fiscal 2014:

For the six months ended March 31, 2014, our investing activities consumed $1.9 million of cash primarily from an increase in restricted cash of $1.2 million and capital related expenditures of $1.0 million, partially offset by cash proceeds of $0.3 million from the sale of an investment.

Fiscal 2013:

For the six months ended March 31, 2013, our investing activities consumed $4.8 million of cash primarily due to capital related expenditures of $5.0 million, and the funding of restricted cash of $0.2 million, partially offset cash proceeds of $0.4 million related to the disposal of equipment.

Net Cash (Used In) Provided By Financing Activities

Financing Activities (in thousands, except percentages)	For the Six Months Ended March 31,
	2014			2013		$ Change			% Change
Net cash (used in) provided by financing activities	$	(3,447	)	$	11,944	$	(15,391	)	(128.9)%

Fiscal 2014:

For the six months ended March 31, 2014, our financing activities consumed cash of $3.4 million primarily due to the net payment of $4.1 million on our bank credit facility partially offset by $0.7 million in proceeds from stock plan transactions. See Note 1 - Description of Business in the notes to the condensed consolidated financial statements for information related to borrowings from our bank credit facility.

Fiscal 2013:

For the six months ended March 31, 2013 our financing activities provided $11.9 million of net cash primarily from proceeds of $9.5 million from the sale of common stock, $1.5 million of proceeds related to borrowings from our bank credit facility, and $1.0 million in proceeds from stock plan transactions.

35

Contractual Obligations and Commitments

Our contractual obligations and commitments for the remainder of fiscal 2014 and over the next five fiscal years are summarized in the table below:

(in thousands)
	Total		2014		2015 to 2016		2017 to 2018		2019 and later
Purchase obligations	$	24,239	23,228		$	769	$	242	$	—
Credit facility	17,600		17,600		—		—		—
Asset retirement obligations	7,665		—		436		4,754		2,475
Operating lease obligations	4,216		348		1,278		152		2,438
Total contractual obligations and  commitments	$	53,720	$	41,176	$	2,483	$	5,148	$	4,913

Interest payments are not included in the contractual obligations and commitments table above since they are insignificant to our consolidated results of operations.

Purchase Obligations

Our purchase obligations represent agreements to purchase goods or services that are enforceable and legally binding, that specify all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or variable price provisions; and the approximate timing of the transactions.

Credit Facility

As of March 31, 2014, we had a $17.6 million LIBOR rate loan outstanding, with an interest rate of 3.3%, and approximately $1.5 million reserved under five outstanding standby letters of credit under the credit facility. The credit facility, as it has been amended through its five amendments, currently provides us with a revolving credit of up to $35 million through November 2015 that can be used for working capital requirements, letters of credit, and other general corporate purposes.

The credit facility contains customary representations and warranties, and affirmative and negative covenants, including, among other things, cash balance and excess availability requirements, and limitations on liens and certain additional indebtedness and guarantees, in addition to minimum tangible net worth, fixed charge coverage, and EBITDA covenants. The covenants are written such that as long as we maintain the minimum cash balance and excess availability requirement, the other covenants are not required to be met. As of March 31, 2014, we were in compliance with the financial covenants contained in the credit facility since cash on deposit and excess availability exceeded the $2.5 million minimum financial covenant requirement.

The credit facility also contains certain events of default, including a subjective acceleration clause. Under this clause, Wells Fargo may declare an event of default if it believes in good faith that our ability to pay all or any portion of our indebtedness with Wells Fargo or to perform any of our material obligations under the credit facility has been impaired, or if it believes in good faith that there has been a material adverse change in the business or financial condition of the Company. If an event of default is not cured within the grace period (if applicable), then Wells Fargo may, among other things, accelerate repayment of amounts borrowed under the credit facility, cease making advances under the credit facility, or take possession of the Company's assets that secure its obligations under the credit facility. We do not anticipate at this time any change in the business or financial condition of the Company that could be deemed a material adverse change by Wells Fargo.

The borrowing availability provided by the credit facility includes approximately $3.9 million secured by machinery and equipment, which is reduced monthly by approximately $91,000. The borrowing base also includes amounts which are not yet earned by the final rendition of services by the Company including progress billings and that portion of those amounts earned but not yet invoiced. The borrowing base for these amounts will be the lesser of (1) 60% of these amounts, or (2) $5.0 million.

36

The credit facility established the Company's minimum cash balance and excess liquidity requirement at $2.5 million until June 30, 2014, when it will increase by $750,000 and thereafter on the first day of each quarter until it reaches a maximum of $5.0 million. If the minimum cash balance and excess liquidity requirement falls below the specified amounts, the other financial covenants noted above are triggered.

On August 26, 2013, we entered into a Fifth Amendment to the credit facility, pursuant to which Wells Fargo agrees, among other things, to provide up to $7.5 million in additional secured financing to the Company using certain real estate as collateral, subject to the terms and conditions of the Fifth Amendment and the credit facility. This change to the borrowing base calculation was not implemented as of March 31, 2014 as not all conditions required had been completed.

We now expect at least 50% of the total amount of credit under the credit facility to be available for use based on the revised borrowing base formula during fiscal year 2014. See Note 10 - Credit Facilities for additional information related to our bank credit facility.

Asset Retirement Obligations

We have known conditional asset retirement conditions, such as certain asset decommissioning and restoration of rented facilities to be performed in the future. Our asset retirement obligations include assumptions related to renewal option periods where we expect to extend facility lease terms. Revisions in estimated liabilities can result from revisions of estimated inflation rates, escalating retirement costs, and changes in the estimated timing of settling asset retirement obligations. See Note 12 - Commitments and Contingencies in the notes to the condensed consolidated financial statements for additional information related to our asset retirement obligations.

Operating Leases

Operating leases include non-cancelable terms and exclude renewal option periods, property taxes, insurance and maintenance expenses on leased properties. There are no off-balance sheet arrangements other than our operating leases. See Note 12 - Commitments and Contingencies in the notes to the condensed consolidated financial statements for additional information related to our operating lease obligations.

Segment Data and Related Information

See Note 14 - Segment Data and Related Information in the notes to the condensed consolidated financial statements for disclosures related to business segment revenue, geographic revenue, significant customers, and operating (loss) income by business segment.

Recent Accounting Pronouncements

See Note 2 - Recent Accounting Pronouncements in the notes to the condensed consolidated financial statements for disclosures related to recent accounting pronouncements.

Restructuring Accruals

See Note 8 - Accrued Expenses and Other Current Liabilities in the notes to the condensed consolidated financial statements for disclosures related to our severance and restructuring-related accrual accounts.

ITEM 3. Quantitative and Qualitative Disclosures about Market Risk

For Quantitative and qualitative disclosures about market risk affecting the Company, see Item 7A - Quantitative and Qualitative Disclosures About Market Risk in our Annual Report on Form 10-K for the fiscal year ended September 30, 2013. We do not believe the Company's exposure to market risk has changed materially since September 30, 2013.

37

ITEM 4. Controls and Procedures

a.    Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer, our Chief Financial Officer and our principal accounting officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a–15(e) and 15d–15(e) of the Exchange Act) as of March 31, 2014. Based on this evaluation, our Chief Executive Officer, Chief Financial Officer and our principal accounting officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report.

b.     Changes in Internal Control over Financial Reporting

There were no changes in the Company's internal control over financial reporting during the quarter ended March 31, 2014 that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

38

PART II.    Other Information

ITEM 1.     Legal Proceedings

See Note 12 - Commitments and Contingencies in the notes to our condensed consolidated financial statements for disclosures related to our legal proceedings.

ITEM 1A. Risk Factors

In addition to the other information set forth in this report, you should carefully consider the risk factors discussed in Part I, Item 1A. "Risk Factors" in our Annual Report on Form 10-K for the year ended September 30, 2013, which could materially affect our business, financial condition or future results. We do not believe the Company's risks have changed materially since we filed our Form 10-K on December 9, 2013. The risks described in our Annual Report on Form 10-K are not the only risks facing our Company. Additional risks and uncertainties not currently known to us also may materially adversely affect our business, financial condition and/or operating results.

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

Not Applicable.

ITEM 3. Defaults Upon Senior Securities

Not Applicable.

ITEM 4.     Mine Safety Disclosures

Not Applicable.

ITEM 5B. Other Information

Not Applicable.

ITEM 6.Exhibits

31.1**	Certificate of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2**	Certificate of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certificate of Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**	Certificate of Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS‡	XBRL Instance Document.**‡
101.SCH‡	XBRL Taxonomy Extension Schema Document.**‡
101.CAL‡	XBRL Taxonomy Extension Calculation Linkbase Document. **‡
101.LAB‡	XBRL Taxonomy Extension Label Linkbase Document. **‡
101.PRE‡	XBRL Taxonomy Extension Presentation Linkbase Document. **‡
101.DEF‡	XBRL Taxonomy Extension Definition Linkbase Document. **‡

__________

** Filed herewith

‡ Submitted electronically with this Report.

39

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		EMCORE CORPORATION
Date:	May 7, 2014	By:	/s/ Hong Hou
			Hong Q. Hou, Ph.D.
			Chief Executive Officer (Principal Executive Officer)
Date:	May 7, 2014	By:	/s/ Mark Weinswig
			Mark Weinswig
			Chief Financial Officer (Principal Financial and Accounting Officer)

40

EX-31.1

Exhibit 31.1

EMCORE CORPORATION

CERTIFICATION PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Hong Q. Hou, Ph.D. certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of EMCORE Corporation ("Report");

2. Based on my knowledge, this Report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this Report;

3. Based on my knowledge, the financial statements, and other financial information included in this Report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this Report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this Report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this Report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this Report based on such evaluation; and

d. Disclosed in this Report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	May 7, 2014	By: /s/ Hong Hou
		Hong Q. Hou, Ph.D.
		Chief Executive Officer
		(Principal Executive Officer)

EX-31.2

Exhibit 31.2

EMCORE CORPORATION

CERTIFICATION PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Mark B. Weinswig, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of EMCORE Corporation ("Report");

2. Based on my knowledge, this Report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this Report;

3. Based on my knowledge, the financial statements, and other financial information included in this Report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this Report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this Report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this Report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this Report based on such evaluation; and

d. Disclosed in this Report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	May 7, 2014	By: /s/ Mark Weinswig
		Mark B. Weinswig
		Chief Financial Officer
		(Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

STATEMENT REQUIRED BY 18 U.S.C. §1350, AS ADOPTED

PURSUANT TO §906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of EMCORE Corporation (the "Company") for the quarterly period ended March 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Hong Q. Hou, Ph.D., Chief Executive Officer (Principal Executive Officer) of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 7, 2014	By: /s/ Hong Hou
		Hong Q. Hou, Ph.D.
		Chief Executive Officer
		(Principal Executive Officer)

A signed original of this written statement required by Section 906 has been provided to EMCORE Corporation and will be retained by EMCORE Corporation and furnished to the Securities and Exchange Commission or its staff upon request. This certification has not been, and shall not be deemed to be, filed with the Securities and Exchange Commission.

EX-32.2

Exhibit 32.2

STATEMENT REQUIRED BY 18 U.S.C. §1350, AS ADOPTED

PURSUANT TO §906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of EMCORE Corporation (the "Company") for the quarterly period ended March 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Mark B. Weinswig, Chief Financial Officer (Principal Financial and Accounting Officer) of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 7, 2014	By: /s/ Mark Weinswig
		Mark B. Weinswig
		Chief Financial Officer
		(Principal Financial and Accounting Officer)

A signed original of this written statement required by Section 906 has been provided to EMCORE Corporation and will be retained by EMCORE Corporation and furnished to the Securities and Exchange Commission or its staff upon request. This certification has not been, and shall not be deemed to be, filed with the Securities and Exchange Commission.

XML

Property, Plant, and Equipment, net (Property, Plant, and Equipment, Net) (Details) (USD $)	Mar. 31, 2014	Sep. 30, 2013
Property, Plant and Equipment [Abstract]
Accumulated depreciation, depletion and amortization	$ 83,400,000	$ 79,900,000
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	47,213,000	49,744,000
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	1,502,000	1,502,000
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	18,110,000	18,423,000
Equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	21,484,000	23,134,000
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	81,000	95,000
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	848,000	933,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	2,647,000	3,029,000
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 2,541,000	$ 2,628,000

XML

Equity (Schedule of Earnings per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Equity [Abstract]
Numerator - Net (loss) income	$ (5,432)	$ 11,697	$ (7,486)	$ 14,523
Less: Undistributed earnings allocated to participating securities	0	(94)	0	(118)
Undistributed earnings allocated to common shareholders for basic net (loss) income per share	(5,432)	11,603	(7,486)	14,405
Undistributed earnings allocated to common shareholders for diluted net (loss) income per share	$ (5,432)	$ 11,603	$ (7,486)	$ 14,405
Denominator:
Denominator for basic net (loss) income per share - weighted average shares outstanding	30,392	26,310	30,162	26,142
Dilutive options outstanding, unvested stock units and ESPP	0	332	0	290
Denominator for diluted net (loss) income per share - adjusted weighted average shares outstanding	30,392	26,642	30,162	26,432
Basic net income (loss) per share (in dollars per share)	$ (0.18)	$ 0.44	$ (0.25)	$ 0.55
Diluted net income (loss) per share (in dollars per share)	$ (0.18)	$ 0.44	$ (0.25)	$ 0.54
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation	3,028	1,869	2,653	2,265
Average market price of common stock (in dollars per share)	$ 4.96	$ 5.66	$ 5.00	$ 5.16

XML

Commitments and Contingencies (Other Disclosures) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Operating leases, rent expense, net		$ 0.4	$ 0.8	$ 0.8	$ 1.5
Fair value assumptions, credit adjusted risk-free rate, range minimal amount		3.25%		3.25%
Fair value assumptions, credit adjusted risk-free rate, range maximum amount		5.78%		5.78%
Asset retirement obligation, accretion expense		0.1	0.1	0.1	0.1
Business combination, indemnification assets, range of outcomes, value (up to $3.4 million)	3.4
Business combination, indemnification duration, period taken into account for	2 years
Business combination, indemnification assets, amount as of acquisition date (up to $1.5 million)		$ 1.5		$ 1.5

XML

Credit Facilities (Details) (USD $)					6 Months Ended
	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2014 Revolving Credit Facility	Nov. 11, 2010 Revolving Credit Facility	Mar. 31, 2014 Revolving Credit Facility Machinery and Equipment	Aug. 26, 2013 Revolving Credit Facility Fifth Amendment	Mar. 31, 2014 Revolving Credit Facility LIBOR Rate Loan letter_of_credit
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity				$ 35,000,000	$ 5,000,000.0	$ 7,500,000	$ 35,000,000
Line of credit facility, minimum cash balance and excess liquidity requirement			2,500,000
Increase in eligible borrowing base					3,900,000
Line of credit facility, monthly reduction amount					91,000
Borrowing base percent of accounts earned					60.00%
Line of credit facility, increase in minimum cash balance and excess liquidity requirement			750,000
Line of credit facility, increased minimum cash balance and excess liquidity requirement			5,000,000
Borrowings from credit facility	17,600,000	21,706,000					17,600,000
Credit facility, interest rate on outstanding balance							3.30%
Standby letters of credit, total amount outstanding							$ 1,500,000
Number of standby letters of credit outstanding							5
Credit facility, expected availability amount over next twelve month period, as percentage of maximum revolving credit amount							50.00%

XML

Description of Business (Credit Facility) (Details) (USD $)	0 Months Ended		1 Months Ended				6 Months Ended
	Sep. 18, 2013	Oct. 03, 2012	Aug. 31, 2012	Aug. 23, 2012	Mar. 31, 2014 Revolving Credit Facility	Nov. 11, 2010 Revolving Credit Facility	Mar. 31, 2014 Revolving Credit Facility Machinery and Equipment	Aug. 26, 2013 Revolving Credit Facility Fifth Amendment	Mar. 31, 2014 Revolving Credit Facility LIBOR Rate Loan letter_of_credit	Jun. 30, 2012 Revolving Credit Facility LIBOR Rate Loan	Apr. 30, 2014 Subsequent Event [Member] Revolving Credit Facility LIBOR Rate Loan
Line of Credit Facility [Line Items]
Maximum revolving credit amount						$ 35,000,000	$ 5,000,000.0	$ 7,500,000	$ 35,000,000
Line of credit facility, minimum cash balance and excess liquidity requirement					2,500,000
Increase in eligible borrowing base							3,900,000
Line of credit facility, monthly reduction amount							91,000
Borrowing base percent of accounts earned							60.00%
Line of credit facility, increase in minimum cash balance and excess liquidity requirement					750,000
Line of credit facility, increased minimum cash balance and excess liquidity requirement					5,000,000
Credit facility, amount outstanding									17,600,000		2,200,000
Credit facility, interest rate on outstanding balance									3.30%
Standby letters of credit, total amount outstanding									1,500,000
Number of standby letters of credit outstanding									5
Credit facility, remaining borrowing capacity										1,900,000
Credit facility, expected availability amount over next twelve month period, as percentage of maximum revolving credit amount									50.00%
Shelf registration, registered amount			50,000,000
Shelf registration, effective period				3 years
Common stock issued to underwriters (in shares)	2,875,000	1,832,410
Proceeds from issuance of common stock	$ 11,700,000	$ 9,500,000

XML

Segment Data and Related Information (Schedule of Segment Revenue) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 42,247	$ 42,277	$ 86,458	$ 91,583
Fiber Optics
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	23,620	23,130	46,912	52,808
Photovoltaics
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 18,627	$ 19,147	$ 39,546	$ 38,775

XML

Property, Plant, and Equipment, net (Tables)

6 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property, plant and equipment

The components of property, plant, and equipment, net consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Land	$	1,502	$	1,502
Building and improvements	18,110		18,423
Equipment	21,484		23,134
Furniture and fixtures	81		95
Computer hardware and software	848		933
Leasehold improvements	2,647		3,029
Construction in progress	2,541		2,628
Property, plant, and equipment, net	$	47,213	$	49,744

XML

Equity (Schedule of Valuation Assumptions) (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Black-Scholes weighted average assumptions:
Expected dividend rate	0.00%	0.00%	0.00%	0.00%
Expected stock price volatility rate	93.40%	96.50%	93.80%	96.90%
Risk-free interest rate	1.90%	1.10%	1.90%	1.00%
Expected term (in years)	6 years	6 years	6 years	6 years
Weighted average grant date fair value per share of stock option granted (in dollars per share)	$ 3.76	$ 4.28	$ 3.79	$ 3.94

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Accrued Expenses and Other Current Liabilities (Schedule of Restructuring and Related Costs) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning balance	$ 601
Expense - charged to accrual	812
Payments and accrual adjustments	(828)
Ending balance	585
Severance-related accruals
Restructuring Reserve [Roll Forward]
Beginning balance	523
Expense - charged to accrual	812
Payments and accrual adjustments	(750)
Ending balance	585
Restructuring-related accruals
Restructuring Reserve [Roll Forward]
Beginning balance	78
Expense - charged to accrual	0
Payments and accrual adjustments	(78)
Ending balance	$ 0

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Accounts Receivable (Other Disclosures) (Details) (USD $)	Mar. 31, 2014	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 37,453,000	$ 41,826,000
Accounts receivable, gross, using percentage of completion method	7,300,000	9,200,000
Billed contracts receivable, using percentage of completion method	4,500,000	4,600,000
Unbilled contracts receivable, using percentage of completion method	2,800,000	4,600,000
Suncore
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 100,000	$ 6,500,000

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Equity (Schedule of Stock-based Compensation Expense - by Award Type) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 1,104	$ 1,051	$ 2,239	$ 2,133
Employee stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	43	123	110	381
Restricted stock awards and units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	618	515	1,296	921
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	108	125	228	256
401(k) match in common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	250	257	410	513
Outside director fees in common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 85	$ 31	$ 195	$ 62

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Segment Data and Related Information (Schedule of Stock-based Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Stock-based compensation expense	$ 1,104	$ 1,051	$ 2,239	$ 2,133
Fiber Optics
Segment Reporting Information [Line Items]
Stock-based compensation expense	674	702	1,429	1,428
Photovoltaics
Segment Reporting Information [Line Items]
Stock-based compensation expense	$ 430	$ 349	$ 810	$ 705

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Income and other Taxes (Other Disclosures) (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income tax penalties and interest accrued	$ 387,000		$ 387,000		$ 354,000
Income tax penalties and interest expense	0	100,000
Incentive tax credits received		$ 1,400,000	$ 600,000	$ 1,400,000

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Accounts Receivable

6 Months Ended

Mar. 31, 2014

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

The components of accounts receivable consisted of the following:

	As of			As of
(in thousands)	March 31, 2014			September 30, 2013
Accounts receivable	$	33,989		$	39,827
Accounts receivable – unbilled	3,562			5,362
Accounts receivable, gross	37,551			45,189
Allowance for doubtful accounts	(98		)	(3,363		)
Accounts receivable, net	$	37,453		$	41,826

Unbilled accounts receivable represents revenue recognized but not yet billed as of the period ended. Billings on contracts using the percentage-of-completion method usually occur upon completion of predetermined contract milestones or other contract terms, such as customer approval. The allowance for doubtful accounts is based on the age of receivables and a specific identification of receivables considered at risk of collection.

As of March 31, 2014 and September 30, 2013, we had $7.3 million and $9.2 million, respectively, of accounts receivable recorded using the percentage of completion method. Of these amounts, $4.5 million was invoiced and $2.8 million was unbilled as of March 31, 2014 and $4.6 million was invoiced and $4.6 million was unbilled as of September 30, 2013.

Included in accounts receivable, net at March 31, 2014 and September 30, 2013 is $0.1 million and $6.5 million, respectively, from sales to Suncore. See Note 15 - Suncore Joint Venture for additional disclosures related to Suncore.

The decrease in the allowance for doubtful accounts during the six months ended March 31, 2014 is primarily due to historical amounts that were written off.

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Segment Data and Related Information (Schedule of Long-lived Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Long-lived assets	$ 69,247	$ 72,287
Fiber Optics
Segment Reporting Information [Line Items]
Long-lived assets	21,490	23,804
Photovoltaics
Segment Reporting Information [Line Items]
Long-lived assets	39,408	40,048
Unallocated Corporate
Segment Reporting Information [Line Items]
Long-lived assets	$ 8,349	$ 8,435

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Accrued Expenses and Other Current Liabilities (Schedule of Product Warranty Accruals) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013
Schedule of Product Warranty Accruals [Abstract]
Balance at beginning of period	$ 4,415	$ 4,580	$ 4,561	$ 4,100
Provision for product warranty - expense	1,296	1,772	1,562	2,401
Adjustments and utilization of warranty accrual	(347)	(2)	(759)	(151)
Current portion	4,833	5,942	4,833	5,942	4,030
Non-current portion	531	408	531	408
Balance at end of period	$ 5,364	$ 6,350	$ 5,364	$ 6,350

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Segment Data and Related Information (Tables)

6 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of segment revenue

The following tables set forth revenue attributable to each of our reporting segments and by geographic region with revenue assigned to geographic regions based on our customers’ billing address.

Segment Revenue	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics revenue	$	23,620	$	23,130	$	46,912	$	52,808
Photovoltaics revenue	18,627		19,147		39,546		38,775
Total revenue	$	42,247	$	42,277	$	86,458	$	91,583

Schedule of revenue by geographic region

Revenue by Geographic Region	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
United States	$	27,016	$	28,324	$	55,113	$	62,991
Asia	11,093		8,825		21,380		17,725
Europe	3,986		4,892		9,420		10,105
Other	152		236		545		762
Total revenue	$	42,247	$	42,277	$	86,458	$	91,583

Statement of operations data

The following table sets forth operating (loss) income attributable to each of our reporting segments.

Operating (Loss) Income	For the three months ended March 31,					For the six months ended March 31,
(in thousands)	2014			2013		2014			2013
Fiber Optics operating (loss) income	$	(7,320	)	$	7,892	$	(13,891	)	$	7,497
Photovoltaics operating income	2,071			4,279		6,402			7,520
Total operating (loss) income	$	(5,249	)	$	12,171	$	(7,489	)	$	15,017

Schedule of depreciation, amortization, and accretion expense

The following tables set forth our significant non-cash expenses attributable to each of our reporting segments.

Depreciation, Amortization, and Accretion Expense	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	1,456	$	1,384	$	2,940	$	2,666
Photovoltaics segment	639		660		1,223		1,396
Total depreciation, amortization, and accretion expense	$	2,095	$	2,044	$	4,163	$	4,062

Schedule of stock-based compensation expense

Stock-based Compensation Expense	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	674	$	702	$	1,429	$	1,428
Photovoltaics segment	430		349		810		705
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Schedule of long-lived assets

The following table sets forth long-lived assets for each of our reporting segments and our unallocated Corporate division.

Long-lived Assets	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Fiber Optics segment	$	21,490	$	23,804
Photovoltaics segment	39,408		40,048
Unallocated Corporate division	8,349		8,435
Long-lived assets	$	69,247	$	72,287

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Equity (Tables)

6 Months Ended

Mar. 31, 2014

Equity [Abstract]

Schedule of Stock Options Activity

The following table summarizes stock option activity under the Equity Plans for the six months ended March 31, 2014:

	Number of Shares		Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (*) (in thousands)
Outstanding as of September 30, 2013	1,745,948		$17.78
Granted	24,575		$4.97
Exercised	(6,100	)	$4.52		$	4
Forfeited	(30,805	)	$4.55
Expired	(59,230	)	$20.81
Outstanding as of March 31, 2014	1,674,388		$17.77	3.74
Exercisable as of March 31, 2014	1,504,207		$19.23	3.24	$	120
Vested and expected to vest as of March 31, 2014	1,647,359		$17.99	3.66	$	209

(*) Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option's exercise price and the underlying stock price. For the six months ended March 31, 2013, the intrinsic value of options exercised was $92,000.

Schedule of Valuation Assumptions

The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option valuation model, adhering to the straight-line attribution approach using the following weighted-average assumptions, of which the expected term and stock price volatility rate are highly subjective:

	For the Three Months Ended March 31,					For the Six Months Ended March 31,
	2014		2013			2014			2013
Black-Scholes weighted average assumptions:
Expected dividend rate	—	%	—		%	—		%	—		%
Expected stock price volatility rate	93.4	%	96.5		%	93.8		%	96.9		%
Risk-free interest rate	1.9	%	1.1		%	1.9		%	1.0		%
Expected term (in years)	6.0		6.0			6.0			6.0
Weighted average grant date fair value per share of stock options granted:	$3.76		$	4.28		$	3.79		$	3.94

Schedule of Restricted Stock Activity

The following table summarizes the activity related to RSAs and RSUs for the six months ended March 31, 2014:

Restricted Stock Activity	Restricted Stock Awards			Restricted Stock Units
	Number of Shares		Weighted Average Grant Date Fair Value	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2013	99,561		$5.84	854,928		$4.51
Granted	—		—	656,750		$4.89
Vested	(92,932	)	$5.68	(326,657	)	$4.35
Forfeited	(2,463	)	$5.68	(71,974	)	$4.41
Non-vested as of March 31, 2014	4,166		$9.64	1,113,047		$4.79

Schedule of Stock-based Compensation Expense - By Award Type

The effect of recording stock-based compensation expense was as follows:

Stock-based Compensation Expense - by award type	For the Three Months Ended March 31,				For the Six Months Ended March 31,
(in thousands)	2014		2013		2014		2013
Employee stock options	$	43	$	123	$	110	$	381
Restricted stock awards and units	618		515		1,296		921
Employee stock purchase plan	108		125		228		256
401(k) match in common stock	250		257		410		513
Outside director fees in common stock	85		31		195		62
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Schedule Stock-based Compensation Expense - By Expense Type

Stock-based Compensation Expense - by expense type	For the Three Months Ended March 31,				For the Six Months Ended March 31,
(in thousands)	2014		2013		2014		2013
Cost of revenue	$	214	$	290	$	431	$	605
Selling, general, and administrative	579		459		1,220		841
Research and development	311		302		588		687
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Schedule of Earnings Per Share, Basic and Diluted

Income (Loss) Per Share.

The following table sets forth the computation of basic and diluted net income (loss) per share:

Basic and Diluted Net (Loss) Income Per Share	For the Three Months Ended March 31,						For the Six Months Ended March 31,
(in thousands, except per share)	2014			2013			2014			2013
Numerator - Net (loss) income	$	(5,432	)	$	11,697		$	(7,486	)	$	14,523
Less: Undistributed earnings allocated to participating securities	—			(94		)	—			(118		)
Undistributed earnings allocated to common shareholders for basic net (loss) income per share	$	(5,432	)	$	11,603		$	(7,486	)	$	14,405
Undistributed earnings allocated to common shareholders for diluted net (loss) income per share	$	(5,432	)	$	11,603		$	(7,486	)	$	14,405
Denominator:
Denominator for basic net (loss) income per share - weighted average shares outstanding	30,392			26,310			30,162			26,142
Dilutive options outstanding, unvested stock units and ESPP	—			332			—			290
Denominator for diluted net (loss) income per share - adjusted weighted average shares outstanding	30,392			26,642			30,162			26,432
Basic net (loss) income per share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.55
Diluted net (loss) income per share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.54
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation	3,028			1,869			2,653			2,265
Average market price of common stock	$	4.96		$	5.66		$	5.00		$	5.16

Schedule of Common Stock Reserved for Future Issuances

As of March 31, 2014, we had common stock reserved for the following future issuances:

Future Issuances	Number of Common Stock Shares Available for Future Issuances
Exercise of outstanding stock options	1,674,388
Unvested restricted stock units	1,113,047
Purchases under the employee stock purchase plan	1,245,506
Issuance of stock-based awards under the Equity Plans	1,037,540
Exercise of outstanding warrants	400,001
Purchases under the officer and director share purchase plan	88,741
Total reserved	5,559,223

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Equity (Other Disclosures) (Details) (USD $)	0 Months Ended		1 Months Ended			0 Months Ended	6 Months Ended
	Sep. 18, 2013	Oct. 03, 2012	Aug. 31, 2012	Mar. 31, 2014 plans	Aug. 23, 2012	Mar. 05, 2014 2012 Equity Plan	Mar. 31, 2014 Employee stock purchase plan	Mar. 05, 2014 Employee stock purchase plan
Equity [Abstract]
Shelf registration, registered amount			$ 50,000,000
Shelf registration, effective period					3 years
Common stock issued to underwriters (in shares)	2,875,000	1,832,410
Proceeds from issuance of common stock	11,700,000	9,500,000
Number of equity incentive compensation plans maintained by the company				3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in total number of shares available for grant						1,000,000
Total number of shares authorized						2,000,000
Employee stock purchase plan (ESPP), biannual plan duration							6 months
Employee stock purchase plan (ESPP), employee purchase price percentage							85.00%
Employee stock purchase plan (ESPP), annual employee contribution limit percentage							10.00%
Accelerated compensation cost							$ 25,000
Employee stock purchase plan ESPP, total shares								3,250,000

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Accrued Expenses and Other Current Liabilities (Other Disclosures) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended	3 Months Ended
	Aug. 06, 2012 Executive Chairman	Sep. 30, 2012 Executive Chairman	Dec. 31, 2013 Chief Operating Officer
Severance and restructuring accruals:
Continuation of base salary, in weeks	616 days
Continuation of benefits, in months	18 months
Estimated charge related to separation agreement		$ 1.1	$ 0.5

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Description of Business (Other Disclosures) (Details)	6 Months Ended
	Mar. 31, 2014 segment
Segment Reporting:
Number of reporting segments	2

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Description of Business (Sale of Fiber Optics-related Assets) (Details) (USD $)	3 Months Ended		6 Months Ended			0 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013	May 07, 2012 Sumitomo Electric Industries, LTD	Mar. 31, 2014 Sumitomo Electric Industries, LTD	Sep. 30, 2013 Sumitomo Electric Industries, LTD	Mar. 31, 2014 Indemnification Obligation Sumitomo Electric Industries, LTD
Footnote disclosures:
Gain on sale of assets						$ 2,800,000
Indemnification associated with sale of assets (up to $3.4 million)							3,400,000	3,400,000
Indemnification period							2 years
Proceeds from sale of assets							13,100,000
Cash held in escrow								2,600,000
Escrow, payout period (in years)							2 years
Deferred gain associated with sale of assets	3,400,000		3,400,000		0				3,400,000
Reduction of purchase price								1,100,000
Additional gain recognized from sale								400,000
Fees billed under transition services agreement	$ 1,000,000	$ 600,000	$ 1,700,000	$ 1,200,000

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Fair Value Accounting

6 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Fair Value Accounting

Fair Value Accounting

ASC 820, Fair Value Measurements, establishes a valuation hierarchy for disclosure of the inputs to valuation techniques used to measure fair value. This standard describes a fair value hierarchy based on three levels of inputs, of which the first two are considered observable and the last unobservable, that may be used to measure fair value:

• Level 1 inputs are unadjusted quoted prices in active markets for identical assets or liabilities. We classify investments within Level 1 if quoted prices are available in active markets.

• Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly, through market corroboration, for substantially the full term of the financial instrument. We classify items in Level 2 if the investments are valued using observable inputs to quoted market prices, benchmark yields, reported trades, broker/dealer quotes or alternative pricing sources with reasonable levels of price transparency.

• Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value. A financial asset or liability's classification within this hierarchy is determined based on the lowest level input that is significant to the fair value measurement. We do not hold any financial assets or liabilities within Level 3.

Valuation techniques used to measure fair value under ASC 820 must maximize the use of observable inputs and minimize the use of unobservable inputs. The following table lists our financial assets and liabilities that are measured at fair value on a recurring basis:

Fair Value Measurement
(in thousands)	Level 1		Level 2	Level 3
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Remaining Inputs	Significant Unobservable Inputs	Total
As of March 31, 2014
Assets:
Cash and cash equivalents	$	18,175	—	—	$	18,175
Restricted cash	1,993		—	—	1,993
Liabilities:
Warrant liability	—		226	—	226
As of September 30, 2013
Assets:
Cash and cash equivalents	$	16,104	—	—	$	16,104
Restricted cash	815		—	—	815
Liabilities:
Warrant liability	—		155	—	155

Cash consists primarily of bank deposits or, occasionally, highly liquid short-term investments with a maturity of three months or less at the time of purchase.

Restricted cash represents temporarily restricted deposits held as compensating balances against short-term borrowing arrangements.

As of March 31, 2014 and September 30, 2013, warrants representing the right to purchase 400,001 shares of our common stock were outstanding. All of our warrants meet the classification requirements for liability accounting pursuant to ASC 815, Derivatives and Hedging. Each quarter, we expect an impact on our statement of operations and comprehensive (loss) income when we record the change in fair value of our outstanding warrants using the Monte Carlo option valuation model. The Monte Carlo option valuation model is used since it allows the valuation of each warrant to factor in the value associated with our right to effect a mandatory exercise of each warrant. The valuation model requires the input of subjective assumptions, including the warrant's expected life and the price volatility of the underlying stock. The change in the fair value of our warrants has been primarily due to the change in the closing price of our common stock.

The carrying amounts of accounts receivable, prepaid expenses and other current assets, borrowings from our credit facility, accounts payable, accrued expenses and other current liabilities approximate fair value because of the short maturity of these instruments.

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Description of Business (Liquidity and Capital Resources) (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013	Sep. 30, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 18,175,000	$ 5,922,000	$ 18,175,000	$ 5,922,000	$ 16,104,000	$ 9,047,000
Working capital	32,600,000		32,600,000
Net (loss) income	(5,432,000)	11,697,000	(7,486,000)	14,523,000
Net cash provided by operating activities			$ 7,300,000	$ (10,198,000)

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Intangible Assets (Schedule by Reporting Segment) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Assets	$ 22,907	$ 22,907
Accumulated Amortization	(21,257)	(20,748)
Total	1,650	2,159
Estimated Future Amortization Expense
Six months ended September 30, 2014	509
Fiscal year ended September 30, 2015	555
Fiscal year ended September 30, 2016	554
Fiscal year ended September 30, 2017	32
Fiscal year ended September 30, 2018 and thereafter	0
Total	1,650	2,159
Fiber Optics
Finite-Lived Intangible Assets [Line Items]
Gross Assets	20,935	20,935
Accumulated Amortization	(19,381)	(18,967)
Total	1,554	1,968
Estimated Future Amortization Expense
Total	1,554	1,968
Fiber Optics | Core Technology
Finite-Lived Intangible Assets [Line Items]
Gross Assets	12,727	12,727
Accumulated Amortization	(12,033)	(11,822)
Total	694	905
Estimated Future Amortization Expense
Total	694	905
Fiber Optics | Customer Relations
Finite-Lived Intangible Assets [Line Items]
Gross Assets	3,511	3,511
Accumulated Amortization	(2,791)	(2,647)
Total	720	864
Estimated Future Amortization Expense
Total	720	864
Fiber Optics | Patents
Finite-Lived Intangible Assets [Line Items]
Gross Assets	4,697	4,697
Accumulated Amortization	(4,557)	(4,498)
Total	140	199
Estimated Future Amortization Expense
Total	140	199
Photovoltaics | Patents
Finite-Lived Intangible Assets [Line Items]
Gross Assets	1,972	1,972
Accumulated Amortization	(1,876)	(1,781)
Total	96	191
Estimated Future Amortization Expense
Total	$ 96	$ 191

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Equity (Schedule of Stock-based Compensation Expense - by Expense Category) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 1,104	$ 1,051	$ 2,239	$ 2,133
Cost of revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	214	290	431	605
Selling, general, and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	579	459	1,220	841
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 311	$ 302	$ 588	$ 687

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Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Revenue	$ 42,247	$ 42,277	$ 86,458	$ 91,583
Cost of revenue	35,381	34,444	69,457	72,802
Gross profit	6,866	7,833	17,001	18,781
Operating expense (income):
Selling, general, and administrative	6,911	6,771	14,883	13,675
Research and development	5,204	4,112	9,607	9,502
Flood-related insurance proceeds	0	(14,808)	0	(19,000)
Gain on sale of assets	0	(413)	0	(413)
Total operating expense (income)	12,115	(4,338)	24,490	3,764
Operating (loss) income	(5,249)	12,171	(7,489)	15,017
Other income (expense):
Interest expense, net	(117)	(186)	(243)	(424)
Foreign exchange (loss) gain	(90)	(21)	10	80
Gain on sale of investment	17	0	307	0
Change in fair value of financial instruments	7	(267)	(71)	(30)
Total other (expense) income	(183)	(474)	3	(374)
(Loss) income before income tax expense	(5,432)	11,697	(7,486)	14,643
Income tax expense	0	0	0	(120)
Net (loss) income	(5,432)	11,697	(7,486)	14,523
Foreign exchange translation adjustment	(43)	(76)	2	(7)
Comprehensive (loss) income	$ (5,475)	$ 11,621	$ (7,484)	$ 14,516
Per share data:
Net (loss) income per basic share (in dollars per share)	$ (0.18)	$ 0.44	$ (0.25)	$ 0.55
Net (loss) income per diluted share (in dollars per share)	$ (0.18)	$ 0.44	$ (0.25)	$ 0.54
Weighted-average number of basic shares outstanding	30,392	26,310	30,162	26,142
Weighted-average number of diluted shares outstanding	30,392	26,642	30,162	26,432

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Impact from Thailand Flood (Details) (Natural Disasters and Other Casualty Events, USD $) In Millions, unless otherwise specified	1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Natural Disasters and Other Casualty Events
Insurance Recoveries, To Date
Insurance proceeds payment, from contract manufacturer	$ 14.8	$ 4.2
Insurance proceeds payment, from contract manufacturer, forgiveness of capital lease obligations	3.4	2.2
Insurance proceeds payment, from contract manufacturer, outstanding payables	3.2	2.0
Insurance proceeds payment, from contract manufacturer, receivable	$ 8.2

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Description of Business

6 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business

Description of Business

Business Overview

EMCORE Corporation and its subsidiaries (the “Company”, “we”, “our”, or “EMCORE”) offers a broad portfolio of compound semiconductor-based products for the fiber optics and solar power markets. We were established in 1984 as a New Jersey corporation and we have two reporting segments: Fiber Optics and Photovoltaics. Our Fiber Optics business segment provides optical components, subsystems and systems for high-speed telecommunications, Cable Television (CATV), Wireless and Fiber-To-The-Premise (FTTP) networks, as well as products for satellite communications, video transport and specialty photonics technologies for defense and homeland security applications. EMCORE's Solar Photovoltaics business segment provides products for space power applications including high-efficiency multi-junction solar cells, Covered Interconnect Cells (CICs) and complete satellite solar panels, and terrestrial applications, including high-efficiency GaAs solar cells for concentration photovoltaic (CPV) power systems.

Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim information, and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission (SEC). Accordingly, they do not include all of the information and notes required by U.S. GAAP for annual financial statements. In our opinion, the interim financial statements reflect all normal adjustments that are necessary to provide a fair presentation of the financial results for the interim periods presented. Operating results for interim periods are not necessarily indicative of results that may be expected for an entire fiscal year. The condensed consolidated balance sheet as of September 30, 2013 has been derived from the audited consolidated financial statements as of such date. For a more complete understanding of our business, financial position, operating results, cash flows, risk factors and other matters, please refer to our Annual Report on Form 10-K for the fiscal year ended September 30, 2013.

All significant intercompany accounts and transactions have been eliminated in consolidation. We are not the primary beneficiary of, nor do we hold a significant variable interest in, any variable interest entity. We have evaluated subsequent events through the date that the financial statements were issued.

Sale of Fiber Optics-related Assets

On March 27, 2012, we entered into a Master Purchase Agreement with a subsidiary of Sumitomo Electric Industries, LTD (SEI), pursuant to which we agreed to sell certain assets and transfer certain obligations associated with our Fiber Optics segment. On May 7, 2012, we completed the sale of these assets to SEI and recorded a gain of approximately $2.8 million. Under the terms of the Master Purchase Agreement, we have agreed to indemnify SEI for up to $3.4 million of potential claims and expenses for the two-year period following the sale and we have recorded this amount as a deferred gain on our balance sheet as of March 31, 2014 and September 30, 2013 as a result of these contingencies. SEI paid $13.1 million in cash and deposited approximately $2.6 million into escrow as security for indemnification obligations and any purchase price adjustments. Settlement of escrow amounts occurs over a two-year period and is subject to claim adjustments. During the fiscal year ended September 30, 2013, we resolved the purchase price contingencies resulting in the reduction of the purchase price by $1.1 million. The reduced purchase price is recorded as an offset to the escrow receivable of $2.6 million while an additional $0.4 million of gain on sale of assets was recognized during the fiscal year ended September 30, 2013. There remains a deferred gain of $3.4 million related to our indemnification obligation at March 31, 2014.

In May 2012, we also entered into a separate facility lease and transition services agreement (TSA) with SEI related to financial services, supply chain, facility, and information infrastructure support functions to be provided by us. We believe the values assigned to the facility lease and TSA approximate fair value. During the three months ended March 31, 2014 and 2013, we recognized $1.0 million and $0.6 million, respectively, related to TSA fees and facility rental income which was recorded as a benefit against operating expenses incurred for such services. During the six months ended March 31, 2014 and 2013, we recognized $1.7 million and $1.2 million, respectively, related to TSA fees and facility rental income which was recorded as a benefit against operating expenses incurred for such services.

Liquidity and Capital Resources

Historically, we have consumed cash from operations and incurred significant net losses. We have managed our liquidity position through a series of cost reduction initiatives, borrowings from our credit facility, capital markets transactions, and the sale of assets.

As of March 31, 2014, cash and cash equivalents totaled $18.2 million and net working capital totaled approximately $32.6 million. Working capital, calculated as current assets minus current liabilities, is a financial metric we use which represents available operating liquidity. For the six months ended March 31, 2014, we incurred a net loss of $7.5 million. Net cash provided from operating activities for the six months ended March 31, 2014 totaled $7.3 million.

With respect to measures taken to improve liquidity:

• Credit Facility: On November 11, 2010, we entered into a Credit and Security Agreement (credit facility) with Wells Fargo Bank. The credit facility, as it has been amended through its five amendments, currently provides us with a revolving credit of up to $35 million through November 2015 that can be used for working capital requirements, letters of credit, and other general corporate purposes. The credit facility is secured by the Company's assets and is subject to a borrowing base formula based on the Company's eligible accounts receivable, inventory, and machinery and equipment accounts.

Our credit facility contains customary representations and warranties, and affirmative and negative covenants, including, among other things, cash balance and excess availability requirements, and limitations on liens and certain additional indebtedness and guarantees, in addition to minimum tangible net worth, fixed charge coverage, and EBITDA covenants. The covenants are written such that as long as we maintain the minimum cash balance and excess availability requirement, the other covenants are not required to be met. As of March 31, 2014, we were in compliance with the financial covenants contained in the credit facility since cash on deposit and excess availability exceeded the $2.5 million minimum financial covenant requirement.

Our credit facility also contains certain events of default, including a subjective acceleration clause. Under this clause, Wells Fargo may declare an event of default if it believes in good faith that our ability to pay all or any portion of our indebtedness with Wells Fargo or to perform any of our material obligations under the credit facility has been impaired, or if it believes in good faith that there has been a material adverse change in the business or financial condition of the Company. If an event of default is not cured within the grace period (if applicable), then Wells Fargo may, among other things, accelerate repayment of amounts borrowed under the credit facility, cease making advances under the credit facility, or take possession of the Company's assets that secure its obligations under the credit facility. We do not anticipate at this time any change in the business or financial condition of the Company that could be deemed a material adverse change by Wells Fargo.

The borrowing availability provided by the credit facility includes approximately $3.9 million secured by machinery and equipment, which is reduced monthly by approximately $91,000. The borrowing base also includes amounts which are not yet earned by the final rendition of services by the Company including progress billings and that portion of those amounts earned but not yet invoiced. The borrowing base for these amounts will be the lesser of (1) 60% of these amounts, or (2) $5.0 million.

The credit facility established the Company's minimum cash balance and excess liquidity requirement at $2.5 million until June 30, 2014, when it will increase by $750,000 and thereafter on the first day of each quarter until it reaches a maximum of $5.0 million. If the minimum cash balance and excess liquidity requirement falls below the specified amounts, the other financial covenants noted above are triggered.

On August 26, 2013, we entered into a Fifth Amendment to the credit facility, pursuant to which Wells Fargo agrees, among other things, to provide up to $7.5 million in additional secured financing to the Company using certain real estate as collateral, subject to the terms and conditions of the Fifth Amendment and the credit facility.This change to the borrowing base calculation was not implemented as of March 31, 2014 as not all conditions required had been completed.

As of March 31, 2014, we had a $17.6 million LIBOR rate loan outstanding under our credit facility, with an interest rate of 3.3%. As of April 30, 2014, the outstanding balance under this credit facility totaled approximately $2.2 million. As of March 31, 2014, the credit facility also had $1.5 million reserved for five outstanding stand-by letters of credit, leaving a remaining $1.9 million borrowing availability balance under this credit facility. We now expect at least 50% of the $35.0 million credit facility to be available for use during fiscal year 2014.

• Stock Sales: During August 2012, we filed a shelf registration statement on Form S-3 with the SEC pursuant to which we may, from time to time, sell up to an aggregate of $50 million of our common or preferred stock, warrants or debt securities. On August 23, 2012, the registration statement was declared effective by the SEC, which will allow us to access the capital markets for the three year period following this effective date as long as we continue to meet the eligibility requirements for the use of Form S-3. On September 18, 2013, we sold 2,875,000 shares of common stock for net proceeds of $11.7 million, which was the second stock sale completed under the above referenced shelf registration.

We believe that our existing balances of cash and cash equivalents and amounts expected to be available under our credit facility will provide us with sufficient financial resources to meet our cash requirements for operations, working capital, and capital expenditures for the next twelve months.

However, in the event of unforeseen circumstances, unfavorable market or economic developments, unfavorable results from operations, material claims made under the indemnification provisions of our Master Purchase Agreement with SEI in excess of amounts held in escrow, or if Wells Fargo declares an event of default on the credit facility, we may have to raise additional funds or reduce expenditures by any one or a combination of the following: issuing equity, debt or convertible debt, selling certain product lines and/or portions of our business, furloughs, or reduction of discretionary spending. There can be no assurance that we will be able to raise additional funds on terms acceptable to us, or at all. A significant contraction in the capital markets, particularly in the technology sector, or adverse developments in our business may make it difficult for us to raise additional capital if or when it is required, especially if we experience negative operating results. If adequate capital is not available to us as required, or is not available on favorable terms, our business, financial condition, results of operations, and cash flows may be adversely affected.

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Segment Data and Related Information (Statement of Operations Data) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Operating income (loss)	$ (5,249)	$ 12,171	$ (7,489)	$ 15,017
Fiber Optics
Segment Reporting Information [Line Items]
Operating income (loss)	(7,320)	7,892	(13,891)	7,497
Photovoltaics
Segment Reporting Information [Line Items]
Operating income (loss)	$ 2,071	$ 4,279	$ 6,402	$ 7,520

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Fair Value Accounting (Other Disclosure) (Details)	Mar. 31, 2014	Sep. 30, 2013
Fair Value Disclosures [Abstract]
Number of outstanding warrants (in shares)	400,001	400,001

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Fair Value Accounting (Tables)

6 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring

The following table lists our financial assets and liabilities that are measured at fair value on a recurring basis:

Fair Value Measurement
(in thousands)	Level 1		Level 2	Level 3
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Remaining Inputs	Significant Unobservable Inputs	Total
As of March 31, 2014
Assets:
Cash and cash equivalents	$	18,175	—	—	$	18,175
Restricted cash	1,993		—	—	1,993
Liabilities:
Warrant liability	—		226	—	226
As of September 30, 2013
Assets:
Cash and cash equivalents	$	16,104	—	—	$	16,104
Restricted cash	815		—	—	815
Liabilities:
Warrant liability	—		155	—	155

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Accounts Receivable (Schedule of Components of Accounts Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Receivables [Abstract]
Accounts receivable	$ 33,989	$ 39,827
Accounts receivable – unbilled	3,562	5,362
Accounts receivable, gross	37,551	45,189
Allowance for doubtful accounts	(98)	(3,363)
Accounts receivable, net	$ 37,453	$ 41,826

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Inventory (Tables)

6 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

The components of inventory consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Raw materials	$	11,639	$	12,094
Work in-process	5,257		4,122
Finished goods	11,622		15,899
Inventory	$	28,518	$	32,115

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Recent Accounting Pronouncements

6 Months Ended

Mar. 31, 2014

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

Recent Accounting Pronouncements

There have been no recent accounting pronouncements or changes in accounting pronouncements that are of significance, or of potential significance, to us other than those discussed below:

• In March 2013, the FASB issued ASU No. 2013-05, Foreign Currency Matters. This accounting standard update requires an entity to release into net income the entire amount of a cumulative translation adjustment related to its investment in a foreign entity when as a parent it either sells a part or all of its investment in the foreign entity or no longer holds a controlling financial interest in a subsidiary or group of assets within the foreign entity. This accounting standard update will be effective for our fiscal year beginning on October 1, 2014. We are currently evaluating the impact of this accounting standard update on our Consolidated Financial Statements.

• In July 2013, the FASB issued ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. The guidance requires a liability related to an unrecognized tax benefit to be offset against a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if certain criteria are met. The guidance is effective for interim and annual periods beginning after December 15, 2013 and should be applied prospectively to unrecognized tax benefits that exist at the effective date. Early adoption and retrospective application of the new guidance is permitted. We implemented this accounting standard update during the fiscal quarter ended March 31, 2014 and it had no significant impact on our Consolidated Financial Statements.

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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 18,175	$ 16,104
Restricted cash	1,993	815
Accounts receivable, net of allowance of $98 and $3,363, respectively	37,453	41,826
Inventory	28,518	32,115
Prepaid expenses and other current assets	7,144	9,437
Total current assets	93,283	100,297
Property, plant, and equipment, net	47,213	49,744
Goodwill	20,384	20,384
Other intangible assets, net	1,650	2,159
Other non-current assets, net of allowance of $3,561 and $3,533, respectively	888	1,130
Total assets	163,418	173,714
Current liabilities:
Borrowings from credit facility	17,600	21,706
Accounts payable	19,006	19,643
Deferred gain associated with sale of assets	3,400	0
Warrant liability	226	155
Accrued expenses and other current liabilities	20,461	21,597
Total current liabilities	60,693	63,101
Asset retirement obligations	5,157	5,053
Deferred gain associated with sale of assets	0	3,400
Other long-term liabilities	898	981
Total liabilities	66,748	72,535
Commitments and contingencies (Note 12)
Shareholders’ equity:
Preferred stock, $0.0001 par value, 5,882 shares authorized; none issued or outstanding	0	0
Common stock, no par value, 50,000 shares authorized; 30,674 shares issued and 30,634 shares outstanding as of March 31, 2014; 30,022 shares issued and 29,982 shares outstanding as of September 30, 2013	752,241	749,266
Treasury stock, at cost; 40 shares	(2,071)	(2,071)
Accumulated other comprehensive income	1,625	1,623
Accumulated deficit	(655,125)	(647,639)
Total shareholders’ equity	96,670	101,179
Total liabilities and shareholders’ equity	$ 163,418	$ 173,714

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Commitments and Contingencies

6 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Operating Lease Obligations: We lease certain land, facilities, and equipment under non-cancelable operating leases. Operating lease amounts exclude renewal option periods, property taxes, insurance, and maintenance expenses on leased properties. Our facility leases typically provide for rental adjustments for increases in base rent (up to specific limits), property taxes, insurance, and general property maintenance that would be recorded as rent expense. Rent expense was approximately $0.4 million and $0.8 million for the three months ended March 31, 2014 and 2013, respectively and approximately $0.8 million and $1.5 million for the six months ended March 31, 2014 and 2013, respectively.  There are no off-balance sheet arrangements other than our operating leases.

Asset Retirement Obligations: We have known conditional asset retirement conditions, such as certain asset decommissioning and restoration of rented facilities to be performed in the future. Our asset retirement obligations include assumptions related to renewal option periods for those facilities where we expect to extend lease terms. In future periods, the asset retirement obligation is accreted for the change in its present value and capitalized costs are depreciated over the useful life of the related assets. If the fair value of the estimated asset retirement obligation changes, an adjustment will be recorded to both the asset retirement obligation and the asset retirement capitalized cost. Revisions in estimated liabilities can result from revisions of estimated inflation rates, escalating retirement costs, and changes in the estimated timing of settling asset retirement obligations. The fair value of our asset retirement obligations were estimated by discounting projected cash flows over the estimated life of the related assets using credit adjusted risk-free rates which ranged from 3.25% to 5.78%. There were no asset retirement obligations settled during the three and six months ended March 31, 2014 and 2013. Accretion expense of $0.1 million and $0.1 million was recorded during the three and six months ended March 31, 2014, and 2013, respectively.

Indemnifications: We have agreed to indemnify certain customers against claims of infringement of the intellectual property rights of others in our sales contracts with these customers. Historically, we have not paid any claims under these indemnification obligations. On September 19, 2013, we received written notice from a customer of our broadband products requesting indemnification relating to a lawsuit brought against them alleging patent infringement of a system incorporating our product. As of March 31, 2014, there has been no resolution to this claim. In March 2012, we entered into a Master Purchase Agreement with SEI, pursuant to which we agreed to sell certain assets and transfer certain obligations associated with our Fiber Optics segment. Under the terms of the Master Purchase Agreement, we have agreed to indemnify SEI for up to $3.4 million of potential claims and expenses for the two-year period following the sale and we recorded this amount as a deferred gain on our balance sheet as of March 31, 2014 and September 30, 2013 as a result of these contingencies. In April and May 2013, we received letters from SEI asserting indemnification claims under the Master Purchase Agreement up to $1.5 million. As of March 31, 2014, there has been no resolution to these claims. See Note 1 - Description of Business in the notes to the condensed consolidated financial statements for additional disclosures related to this asset sale.

Legal Proceedings: We are subject to various legal proceedings, claims, and litigation, either asserted or unasserted that arise in the ordinary course of business. While the outcome of these matters is currently not determinable, we do not expect the resolution of these matters will have a material adverse effect on our business, financial position, results of operations, or cash flows. However, the results of these matters cannot be predicted with certainty. Professional legal fees are expensed when incurred. We accrue for contingent losses when such losses are probable and reasonably estimable. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information. Should we fail to prevail in any legal matter or should several legal matters be resolved against the Company in the same reporting period, then the financial results of that particular reporting period could be materially affected.

a) Intellectual Property Lawsuits

We protect our proprietary technology by applying for patents where appropriate and, in other cases, by preserving the technology, related know-how and information as trade secrets. The success and competitive position of our product lines are impacted by our ability to obtain intellectual property protection for our research and development efforts. We have, from time to time, exchanged correspondence with third parties regarding the assertion of patent or other intellectual property rights in connection with certain of our products and processes.

b) Nichia Corporation

On October 8, 2013, we were served with a complaint filed by Nichia Corporation in the United States District Court for the Eastern District of Texas, alleging patent infringement by one of our broadband products, unspecified monetary damages and injunctive relief (Nichia Corporation v. EMCORE Corporation, Case No.: 2-13-CV480). We answered the complaint and denied the allegations. We will vigorously defend ourselves against the plaintiff's claims.

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Document and Entity Information	6 Months Ended
	Mar. 31, 2014	Apr. 30, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	EMCORE CORPORATION
Entity Central Index Key	0000808326
Document Type	10-Q
Document Period End Date	Mar. 31, 2014
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2014
Current Fiscal Year End Date	--09-30
Entity Filer Category	Accelerated Filer
Amendment Flag	false
Entity Common Stock, Shares Outstanding		30,640,807

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Equity

6 Months Ended

Mar. 31, 2014

Equity [Abstract]

Equity

Equity

Stock Sales

During August 2012, we filed a shelf registration statement on Form S-3 with the SEC pursuant to which we may, from time to time, sell up to an aggregate of $50 million of our common or preferred stock, warrants or debt securities. On August 23, 2012, the registration statement was declared effective by the SEC, which will allow us to access the capital markets for the three year period following this effective date as long as we continue to meet the eligibility requirements for the use of Form S-3. On October 3, 2012, we sold 1,832,410 shares of common stock for net proceeds of $9.5 million. In addition, on September 18, 2013, we sold 2,875,000 shares of common stock for net proceeds of $11.7 million.

Equity Plans

We provide long-term incentives to eligible officers, directors, and employees in the form of equity-based awards.  We maintain three equity incentive compensation plans, collectively described below as our Equity Plans:

• the 2000 Stock Option Plan (2000 Plan),

• the 2010 Equity Incentive Plan (2010 Equity Plan),

• the 2012 Equity Incentive Plan (2012 Equity Plan).

On March 5, 2014, our shareholders approved an amendment to the 2012 Equity Plan to increase the total number of shares of common stock available for grant under the 2012 Equity Plan by 1,000,000 shares, to a total authorized of 2,000,000 shares.

We issue new shares of common stock to satisfy awards issued under our Equity Plans.

Stock Options

Most of our stock options vest and become exercisable over a four to five year period and have a contractual life of 10 years. Certain stock options awarded are intended to qualify as incentive stock options pursuant to Section 422A of the Internal Revenue Code.

The following table summarizes stock option activity under the Equity Plans for the six months ended March 31, 2014:

	Number of Shares		Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (*) (in thousands)
Outstanding as of September 30, 2013	1,745,948		$17.78
Granted	24,575		$4.97
Exercised	(6,100	)	$4.52		$	4
Forfeited	(30,805	)	$4.55
Expired	(59,230	)	$20.81
Outstanding as of March 31, 2014	1,674,388		$17.77	3.74
Exercisable as of March 31, 2014	1,504,207		$19.23	3.24	$	120
Vested and expected to vest as of March 31, 2014	1,647,359		$17.99	3.66	$	209

(*) Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option's exercise price and the underlying stock price. For the six months ended March 31, 2013, the intrinsic value of options exercised was $92,000.

As of March 31, 2014, there was approximately $0.6 million of unrecognized stock-based compensation expense, net of estimated forfeitures, related to non-vested stock options granted under the Equity Plans which is expected to be recognized over an estimated weighted average life of 2.9 years.

Valuation Assumptions

The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option valuation model, adhering to the straight-line attribution approach using the following weighted-average assumptions, of which the expected term and stock price volatility rate are highly subjective:

	For the Three Months Ended March 31,					For the Six Months Ended March 31,
	2014		2013			2014			2013
Black-Scholes weighted average assumptions:
Expected dividend rate	—	%	—		%	—		%	—		%
Expected stock price volatility rate	93.4	%	96.5		%	93.8		%	96.9		%
Risk-free interest rate	1.9	%	1.1		%	1.9		%	1.0		%
Expected term (in years)	6.0		6.0			6.0			6.0
Weighted average grant date fair value per share of stock options granted:	$3.76		$	4.28		$	3.79		$	3.94

Restricted Stock

Restricted stock awards (RSAs) and restricted stock units (RSUs) granted under the 2010 Equity Plan and 2012 Equity Plan typically vest over 3 years and are subject to forfeiture if employment terminates prior to the lapse of the restrictions. RSAs are considered issued and outstanding shares on the grant date and have the same dividend and voting rights as other common stock. RSUs are not considered issued or outstanding common stock until they vest.

The following table summarizes the activity related to RSAs and RSUs for the six months ended March 31, 2014:

Restricted Stock Activity	Restricted Stock Awards			Restricted Stock Units
	Number of Shares		Weighted Average Grant Date Fair Value	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2013	99,561		$5.84	854,928		$4.51
Granted	—		—	656,750		$4.89
Vested	(92,932	)	$5.68	(326,657	)	$4.35
Forfeited	(2,463	)	$5.68	(71,974	)	$4.41
Non-vested as of March 31, 2014	4,166		$9.64	1,113,047		$4.79

Restricted stock awards: As of March 31, 2014, there was approximately $3,000 of remaining unamortized stock-based compensation expense, net of estimated forfeitures, associated with RSAs, which will be expensed over a weighted average remaining service period of approximately 0.1 years.

Restricted stock units: As of March 31, 2014, there was approximately $3.9 million of remaining unamortized stock-based compensation expense, net of estimated forfeitures, associated with RSUs, which will be expensed over a weighted average remaining service period of approximately 2.2 years. The 1.1 million outstanding non-vested RSUs have an aggregate intrinsic value of approximately $5.6 million and a weighted average remaining contractual term of 1.4 years. Of the 1.1 million outstanding non-vested RSUs, approximately 1.0 million RSUs are expected to vest and have an aggregate intrinsic value of approximately $4.9 million and a weighted average remaining contractual term of 1.4 years.

Stock-based compensation

The effect of recording stock-based compensation expense was as follows:

Stock-based Compensation Expense - by award type	For the Three Months Ended March 31,				For the Six Months Ended March 31,
(in thousands)	2014		2013		2014		2013
Employee stock options	$	43	$	123	$	110	$	381
Restricted stock awards and units	618		515		1,296		921
Employee stock purchase plan	108		125		228		256
401(k) match in common stock	250		257		410		513
Outside director fees in common stock	85		31		195		62
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Stock-based Compensation Expense - by expense type	For the Three Months Ended March 31,				For the Six Months Ended March 31,
(in thousands)	2014		2013		2014		2013
Cost of revenue	$	214	$	290	$	431	$	605
Selling, general, and administrative	579		459		1,220		841
Research and development	311		302		588		687
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Income (Loss) Per Share.

The following table sets forth the computation of basic and diluted net income (loss) per share:

Basic and Diluted Net (Loss) Income Per Share	For the Three Months Ended March 31,						For the Six Months Ended March 31,
(in thousands, except per share)	2014			2013			2014			2013
Numerator - Net (loss) income	$	(5,432	)	$	11,697		$	(7,486	)	$	14,523
Less: Undistributed earnings allocated to participating securities	—			(94		)	—			(118		)
Undistributed earnings allocated to common shareholders for basic net (loss) income per share	$	(5,432	)	$	11,603		$	(7,486	)	$	14,405
Undistributed earnings allocated to common shareholders for diluted net (loss) income per share	$	(5,432	)	$	11,603		$	(7,486	)	$	14,405
Denominator:
Denominator for basic net (loss) income per share - weighted average shares outstanding	30,392			26,310			30,162			26,142
Dilutive options outstanding, unvested stock units and ESPP	—			332			—			290
Denominator for diluted net (loss) income per share - adjusted weighted average shares outstanding	30,392			26,642			30,162			26,432
Basic net (loss) income per share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.55
Diluted net (loss) income per share	$	(0.18	)	$	0.44		$	(0.25	)	$	0.54
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation	3,028			1,869			2,653			2,265
Average market price of common stock	$	4.96		$	5.66		$	5.00		$	5.16

The antidilutive stock options and unvested stock were excluded from the computation of diluted net income (loss) per share due to the assumed proceeds from the award’s exercise or vesting being greater than the average market price of the common shares or due to the Company incurring a net loss for the periods presented.

Employee Stock Purchase Plan

We maintain an Employee Stock Purchase Plan (ESPP) that provides employees an opportunity to purchase common stock through payroll deductions. The ESPP is a 6-month duration plan with new participation periods beginning on February 25 and August 26 of each year. The purchase price is set at 85% of the average high and low market price of our common stock on either the first or last day of the participation period, whichever is lower, and contributions are limited to the lower of 10% of an employee's compensation or $25,000. On March 5, 2014, our shareholders approved an amendment to the ESPP that increased the total number of shares of common stock on which options may be granted under the ESPP to 3,250,000 shares.

Future Issuances

As of March 31, 2014, we had common stock reserved for the following future issuances:

Future Issuances	Number of Common Stock Shares Available for Future Issuances
Exercise of outstanding stock options	1,674,388
Unvested restricted stock units	1,113,047
Purchases under the employee stock purchase plan	1,245,506
Issuance of stock-based awards under the Equity Plans	1,037,540
Exercise of outstanding warrants	400,001
Purchases under the officer and director share purchase plan	88,741
Total reserved	5,559,223

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Condensed Consolidated Balance Sheets - Parenthetical (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Accounts receivable:
Allowance for doubtful accounts	$ 98	$ 3,363
Other non-current assets:
Allowance for doubtful accounts	$ 3,561	$ 3,533
Shareholders’ equity:
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	5,882,000	5,882,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	30,674,000	30,022,000
Common stock, shares outstanding	30,634,000	29,982,000
Treasury stock, shares held	40,000	40,000

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Intangible Assets

6 Months Ended

Mar. 31, 2014

Intangible Assets [Abstract]

Intangible Assets

Intangible Assets

The following table sets forth the carrying value of intangible assets by reporting segment:

(in thousands)	As of March 31, 2014							As of September 30, 2013
	Gross Assets		Accumulated Amortization			Net Assets		Gross Assets		Accumulated Amortization			Net Assets
Fiber Optics:
Core Technology	$	12,727	$	(12,033	)	$	694	$	12,727	$	(11,822	)	$	905
Customer Relations	3,511		(2,791		)	720		3,511		(2,647		)	864
Patents	4,697		(4,557		)	140		4,697		(4,498		)	199
	20,935		(19,381		)	1,554		20,935		(18,967		)	1,968
Photovoltaics:
Patents	1,972		(1,876		)	96		1,972		(1,781		)	191
Total	$	22,907	$	(21,257	)	$	1,650	$	22,907	$	(20,748	)	$	2,159

Amortization expense related to intangible assets is included in selling, general, and administrative expense on our statement of operations and comprehensive (loss) income. Based on the carrying amount of our intangible assets as of March 31, 2014, the estimated future amortization expense is as follows:

Estimated Future Amortization Expense
(in thousands)
Six months ended September 30, 2014	$	509
Fiscal year ended September 30, 2015	555
Fiscal year ended September 30, 2016	554
Fiscal year ended September 30, 2017	32
Fiscal year ended September 30, 2018 and thereafter	—
Total	$	1,650

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Property, Plant, and Equipment, net

6 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment, net

Property, Plant, and Equipment, net

The components of property, plant, and equipment, net consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Land	$	1,502	$	1,502
Building and improvements	18,110		18,423
Equipment	21,484		23,134
Furniture and fixtures	81		95
Computer hardware and software	848		933
Leasehold improvements	2,647		3,029
Construction in progress	2,541		2,628
Property, plant, and equipment, net	$	47,213	$	49,744

As of March 31, 2014 and September 30, 2013, accumulated depreciation was approximately $83.4 million and $79.9 million, respectively.

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Accounts Receivable (Tables)

6 Months Ended

Mar. 31, 2014

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

The components of accounts receivable consisted of the following:

	As of			As of
(in thousands)	March 31, 2014			September 30, 2013
Accounts receivable	$	33,989		$	39,827
Accounts receivable – unbilled	3,562			5,362
Accounts receivable, gross	37,551			45,189
Allowance for doubtful accounts	(98		)	(3,363		)
Accounts receivable, net	$	37,453		$	41,826

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Segment Data and Related Information

6 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Segment Data and Related Information

Segment Data and Related Information

We have three operating divisions within the following two reporting segments:

• Fiber Optics: EMCORE Digital Fiber Optics Products and EMCORE Broadband Fiber Optics Products are aggregated as a separate reporting segment, Fiber Optics. Our Fiber Optics reporting segment provides optical components, subsystems, and systems for high-speed telecommunications, cable television (CATV), and fiber-to-the-premise (FTTP) networks, as well as products for satellite communications, video transport, and specialty photonics technologies for defense and homeland security applications.

• Photovoltaics: EMCORE Photovoltaics is a separate reporting segment, Photovoltaics. Our Photovoltaics reporting segment provides products for both space and terrestrial solar power applications. For space solar power applications, we offer high-efficiency multi-junction solar cells, covered interconnect cells (CICs), and complete satellite solar panels. For terrestrial power applications, we offer high-efficiency GaAs solar cells for concentrating photovoltaic (CPV) power systems.

We evaluate our reportable segments pursuant to ASC 280, Segment Reporting. The Company's Chief Executive Officer is the chief operating decision maker and he assesses the performance of the operating segments and allocates resources to segments based on their business prospects, competitive factors, net revenue, operating results, and other non-GAAP financial ratios.

Revenue: The following tables set forth revenue attributable to each of our reporting segments and by geographic region with revenue assigned to geographic regions based on our customers’ billing address.

Segment Revenue	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics revenue	$	23,620	$	23,130	$	46,912	$	52,808
Photovoltaics revenue	18,627		19,147		39,546		38,775
Total revenue	$	42,247	$	42,277	$	86,458	$	91,583

Revenue by Geographic Region	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
United States	$	27,016	$	28,324	$	55,113	$	62,991
Asia	11,093		8,825		21,380		17,725
Europe	3,986		4,892		9,420		10,105
Other	152		236		545		762
Total revenue	$	42,247	$	42,277	$	86,458	$	91,583

Revenue by geographic location is determined based on the location of our customer.

Significant Customers: Revenue from one of our customers of the Photovoltaics segment represented 12% and 11% of our consolidated revenue for the three and six months ended March 31, 2014. No single customer from the Photovoltaics segment represented greater than 10% of our consolidated revenue for the three and six months ended March 31, 2013. No single customer from the Fiber segment represented greater than 10% of our consolidated revenue for the three and six months ended March 31, 2014 and 2013.

Operating (Loss) Income: The following table sets forth operating (loss) income attributable to each of our reporting segments.

Operating (Loss) Income	For the three months ended March 31,					For the six months ended March 31,
(in thousands)	2014			2013		2014			2013
Fiber Optics operating (loss) income	$	(7,320	)	$	7,892	$	(13,891	)	$	7,497
Photovoltaics operating income	2,071			4,279		6,402			7,520
Total operating (loss) income	$	(5,249	)	$	12,171	$	(7,489	)	$	15,017

Non-Cash Expenses: The following tables set forth our significant non-cash expenses attributable to each of our reporting segments.

Depreciation, Amortization, and Accretion Expense	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	1,456	$	1,384	$	2,940	$	2,666
Photovoltaics segment	639		660		1,223		1,396
Total depreciation, amortization, and accretion expense	$	2,095	$	2,044	$	4,163	$	4,062

Stock-based Compensation Expense	For the three months ended March 31,				For the six months ended March 31,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	674	$	702	$	1,429	$	1,428
Photovoltaics segment	430		349		810		705
Total stock-based compensation expense	$	1,104	$	1,051	$	2,239	$	2,133

Long-lived Assets: Long-lived assets consist primarily of property, plant, and equipment and also goodwill and intangible assets.  The following table sets forth long-lived assets for each of our reporting segments and our unallocated Corporate division.

Long-lived Assets	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Fiber Optics segment	$	21,490	$	23,804
Photovoltaics segment	39,408		40,048
Unallocated Corporate division	8,349		8,435
Long-lived assets	$	69,247	$	72,287

As of March 31, 2014 and September 30, 2013, approximately 81% and 80%, respectively, of our long-lived assets were located in the United States. The remaining assets are primarily located in China and Thailand.

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Credit Facilities

6 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Credit Facilities

Credit Facilities

On November 11, 2010, we entered into a Credit and Security Agreement (credit facility) with Wells Fargo Bank. The credit facility, as it has been amended through its five amendments, currently provides us with a revolving credit of up to $35 million through November 2015 that can be used for working capital requirements, letters of credit, and other general corporate purposes. The credit facility is secured by the Company's assets and is subject to a borrowing base formula based on the Company's eligible accounts receivable, inventory, and machinery and equipment accounts.

The credit facility contains customary representations and warranties, and affirmative and negative covenants, including, among other things, cash balance and excess availability requirements, and limitations on liens and certain additional indebtedness and guarantees, in addition to minimum tangible net worth, fixed charge coverage, and EBITDA covenants. The covenants are written such that as long as we maintain the minimum cash balance and excess availability requirement, the other covenants are not required to be met. As of March 31, 2014, we were in compliance with the financial covenants contained in the credit facility since cash on deposit and excess availability exceeded the $2.5 million minimum financial covenant requirement.

The credit facility also contains certain events of default, including a subjective acceleration clause. Under this clause, Wells Fargo may declare an event of default if it believes in good faith that our ability to pay all or any portion of our indebtedness with Wells Fargo or to perform any of our material obligations under the credit facility has been impaired, or if it believes in good faith that there has been a material adverse change in the business or financial condition of the Company. If an event of default is not cured within the grace period (if applicable), then Wells Fargo may, among other things, accelerate repayment of amounts borrowed under the credit facility, cease making advances under the credit facility, or take possession of the Company's assets that secure its obligations under the credit facility. We do not anticipate at this time any change in the business or financial condition of the Company that could be deemed a material adverse change by Wells Fargo.

The borrowing availability provided by the credit facility includes approximately $3.9 million secured by machinery and equipment, which is reduced monthly by approximately $91,000. The borrowing base also includes amounts which are not yet earned by the final rendition of services by the Company including progress billings and that portion of those amounts earned but not yet invoiced. The borrowing base for these amounts will be the lesser of (1) 60% of these amounts, or (2) $5.0 million.

The credit facility established the Company's minimum cash balance and excess liquidity requirement at $2.5 million until June 30, 2014, when it will increase by $750,000 and thereafter on the first day of each quarter until it reaches a maximum of$5.0 million. If the minimum cash balance and excess liquidity requirement falls below the specified amounts, the other financial covenants noted above are triggered.

On August 26, 2013, we entered into a Fifth Amendment to the credit facility, pursuant to which Wells Fargo agrees, among other things, to provide up to $7.5 million in additional secured financing to the Company using certain real estate as collateral, subject to the terms and conditions of the Fifth Amendment and the credit facility. This change to the borrowing base calculation was not implemented as of March 31, 2014 as not all conditions required had been completed.

As of March 31, 2014, we had a $17.6 million LIBOR rate loan outstanding, with an interest rate of 3.3%, and approximately $1.5 million reserved for five outstanding stand-by letters of credit under the credit facility. We now expect at least 50% of the $35.0 million credit facility to be available for use during fiscal year 2014.

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Segment Data and Related Information (Schedule of Depreciation, Amortization, and Accretion Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Depreciation, amortization, and accretion expense	$ 2,095	$ 2,044	$ 4,163	$ 4,062
Fiber Optics
Segment Reporting Information [Line Items]
Depreciation, amortization, and accretion expense	1,456	1,384	2,940	2,666
Photovoltaics
Segment Reporting Information [Line Items]
Depreciation, amortization, and accretion expense	$ 639	$ 660	$ 1,223	$ 1,396

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Accrued Expenses and Other Current Liabilities

6 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

Accrued Expenses and Other Current Liabilities

The components of accrued expenses and other current liabilities consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Compensation	$	3,833	$	4,361
Warranty	4,833		4,030
Termination fee	2,775		2,775
Professional fees	748		676
Royalty	815		1,061
Customer deposits	1,254		730
Deferred revenue	831		2,565
Self insurance	1,360		1,352
Income and other taxes	1,385		1,345
Loss on sale contracts	428		415
Severance and restructuring accruals	585		601
Other	1,614		1,686
Accrued expenses and other current liabilities	$	20,461	$	21,597

Severance and restructuring accruals: In August 2012, Mr. Reuben Richards, Jr. proposed to the Board to step-down from his position as the Company's Executive Chairman and all other positions he held as an officer or employee of the Company and its affiliates, effective as of September 30, 2012. Mr. Richards remained as Chairman of the Board and a member of the Board.

The Company and Mr. Richards entered into a separation agreement and general release, dated August 6, 2012 (Separation Agreement), which includes mutual releases by Mr. Richards and the Company of all claims related to Mr. Richards' employment and service relationship with, and termination of employment and service from, the Company. Under the terms of the Separation Agreement, Mr. Richards acknowledged and agreed that the restrictive covenants contained in his employment agreement would remain in full force and effect. The separation agreement provides for among other things, the continuation of his base salary for 88 weeks, benefits for 18 months, and immediate vesting of all his outstanding non-vested equity awards. These payments are not contingent upon any future service by Mr. Richards. In fiscal year 2012, we recorded a charge of $1.1 million related to Mr. Richards' separation agreement.

On November 15, 2013, Mr. Chris Larocca proposed to resign as the Company's Chief Operating Officer, effective as of November 30, 2013. The Company recorded a charge of $0.5 million in the three months ended December 31, 2013 related to the separation agreement entered into as part of Mr. Larocca's resignation.

Our severance and restructuring-related accrual specifically relates to the Separation Agreement and non-cancelable obligations associated with an abandoned leased facility. Expense related to severance and restructuring accruals is included in selling, general, and administrative expense on our statement of operations and comprehensive (loss) income. The following table summarizes the changes in the severance and restructuring-related accrual accounts:

(in thousands)	Severance-related accruals			Restructuring-related accruals			Total
Balance as of September 30, 2013	$	523		$	78		601
Expense - charged to accrual	812			—			812
Payments and accrual adjustments	(750		)	(78		)	(828		)
Balance as of March 31, 2014	$	585		$	—		$	585

Warranty: We generally provide product and other warranties on our solar cells, components, power systems, and fiber optic products, in addition to certain already divested product lines where we retained the warranty obligations. Certain parts and labor warranties from our vendors can be assigned to our customers. Our reported financial position or results of operations may be materially different under changed conditions or when using different estimates and assumptions. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information.

The following table summarizes the changes in our product warranty accrual accounts:

Product Warranty Accruals	For the three months ended March 31,						For the Six Months Ended March 31,
(in thousands)	2014			2013			2014			2013
Balance at beginning of period	$	4,415		$	4,580		$	4,561		$	4,100
Provision for product warranty - expense	1,296			1,772			1,562			2,401
Adjustments and utilization of warranty accrual	(347		)	(2		)	(759		)	(151		)
Balance at end of period	$	5,364		$	6,350		$	5,364		$	6,350
Current portion	$	4,833		$	5,942		$	4,833		$	5,942
Non-current portion	531			408			531			408
Product warranty liability at end of period	$	5,364		$	6,350		$	5,364		$	6,350

The decrease in our provision for product warranty expense for the three and six months ended March 31, 2014 compared to the same period in 2013 was primarily due to specific customer warranty claims in 2013.

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Impact from Thailand Flood

6 Months Ended

Mar. 31, 2014

Extraordinary and Unusual Items [Abstract]

Impact from Thailand Flood

Impact from Thailand Flood

In October 2011, we announced that flood waters had severely impacted the inventory and production operations of our primary contract manufacturer in Thailand. The impacted areas included certain product lines for the Telecom and Cable Television (CATV) market segments. Our Photovoltaics segment was not affected by the Thailand floods.

In December 2012, we received flood-related insurance proceeds of $4.2 million in the form of forgiveness of $2.2 million of outstanding capital lease obligations and $2.0 million of outstanding payables. In March 2013, we received the final flood-related insurance proceeds of $14.8 million in the form of a receivable of $8.2 million, which we received cash payment for in April 2013, forgiveness of $3.4 million of outstanding capital lease obligations and $3.2 million of outstanding payables. No additional flood-related insurance proceeds associated with this event are anticipated.

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Income and other Taxes

6 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Income and other Taxes

Income and other Taxes

During the three months ended March 31, 2014 and 2013, there were no material increases or decreases in unrecognized tax benefits and we do not anticipate any material increases or decreases in the amounts of unrecognized tax benefits for the remaining fiscal year 2014. As of March 31,2014 and September 30, 2013, we had approximately $387,000 and $354,000, respectively, of interest and penalties accrued as tax liabilities on our balance sheet.

During the three months ended March 31, 2014 and 2013, we incurred no income tax expense. During the six months ended March 31, 2014 and 2013, we incurred $0 and $0.1 million, respectively, of income tax expense. The provision for 2013 is primarily due to federal alternative minimum tax and state income tax.

We file income tax returns in the U.S. federal, state, and local jurisdictions and, currently, no federal and local income tax returns are under examination. We are currently under examination by one state for the fiscal years 2009 through 2011. The following tax years remain open to assessment for each of the more significant jurisdictions where we are subject to income taxes: after fiscal year 2009 for U.S. federal, after fiscal year 2008 for the state of California, and after fiscal year 2009 for the state of New Mexico.

Included in our operating income for the six months ended March 31, 2014 were $0.6 million of New Mexico incentive tax credits received. The amount received was allocated to cost of goods sold, selling, general and administrative and research and development expense primarily based on the number of employees allocated to the related departments. These credits will result in cash refunds and reduction of future payroll and compensation taxes. There were $1.4 million of incentive tax credits received during the three and six months ended March 31, 2013.

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Suncore Joint Venture (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			0 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2013	Oct. 31, 2013	Nov. 30, 2011	Aug. 06, 2012 CPV	Sep. 30, 2012 CPV	Mar. 31, 2014 Suncore	Mar. 31, 2013 Suncore	Mar. 31, 2014 Suncore	Mar. 31, 2013 Suncore	Sep. 30, 2013 Suncore	Jun. 30, 2013 Suncore	Mar. 31, 2014 Emcore Solar New Mexico	Sep. 30, 2013 Emcore Solar New Mexico
CPV Solar Cell License Agreement:
License agreement, expected proceeds over term		$ 0.8	$ 2.5
Licenses Revenue	0.8
Summarized Financial Information:
Proceeds from sale of assets				2.8
Prepaid expense and other assets, current, portion of sales price of productive assets					2.8
Equity method investment, revenue						0.1	2.9	0.9	5.5
Equity method investment												0.4	0.3
Equity method investment, ownership percentage											40.00%
Equity method investment, purchase price											4.8
Equity method investment, sale of interest, deferred revenue										3.3
Gain on sale of equity method investment										$ 4.8

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Segment Data and Related Information (Other Disclosures) (Details)	6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Mar. 31, 2014 segment division	Sep. 30, 2013	Mar. 31, 2014 Customer Concentration Risk Sales Revenue, Segment Photovoltaics	Mar. 31, 2013 Customer Concentration Risk Sales Revenue, Segment Photovoltaics	Mar. 31, 2014 Customer Concentration Risk Sales Revenue, Segment Photovoltaics	Mar. 31, 2013 Customer Concentration Risk Sales Revenue, Segment Photovoltaics	Mar. 31, 2014 Customer Concentration Risk Sales Revenue, Segment Fiber Optics	Mar. 31, 2013 Customer Concentration Risk Sales Revenue, Segment Fiber Optics	Mar. 31, 2014 Customer Concentration Risk Sales Revenue, Segment Fiber Optics	Mar. 31, 2013 Customer Concentration Risk Sales Revenue, Segment Fiber Optics
Segment Reporting [Abstract]
Number of operating segments	3
Number of reporting segments	2
Segment Reporting Information [Line Items]
Revenue by customer, percentage			12.00%	0.00%	11.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Percentage of long-lived assets located in the United States	81.00%	80.00%

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Fair Value Accounting (Fair Value Measurement) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2013	Sep. 30, 2012
Account:
Cash and cash equivalents	$ 18,175	$ 16,104	$ 5,922	$ 9,047
Restricted cash	1,993	815
Warrant liability	226	155
Recurring
Account:
Cash and cash equivalents	18,175	16,104
Restricted cash	1,993	815
Warrant liability	226	155
Recurring | Fair Value, Inputs, Level 1
Account:
Cash and cash equivalents	18,175	16,104
Restricted cash	1,993	815
Warrant liability	0	0
Recurring | Fair Value, Inputs, Level 2
Account:
Cash and cash equivalents	0	0
Restricted cash	0	0
Warrant liability	226	155
Recurring | Fair Value, Inputs, Level 3
Account:
Cash and cash equivalents	0	0
Restricted cash	0	0
Warrant liability	$ 0	$ 0

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Equity (Schedule of Restricted Stock Activity) (Details) (USD $)	6 Months Ended
	Mar. 31, 2014
Number of Shares
Non-vested as of March 31, 2014 (in shares)	1,113,047
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Number of Shares
Non-vested as of September 30, 2013 (in shares)	99,561
Granted (in shares)	0
Vested (in shares)	(92,932)
Forfeited (in shares)	(2,463)
Non-vested as of March 31, 2014 (in shares)	4,166
Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2013 (in dollars per share)	$ 5.84
Granted (in dollars per share)	$ 0.00
Vested (in dollars per share)	$ 5.68
Forfeited (in dollars per share)	$ 5.68
Non-vested as of March 31, 2014 (in dollars per share)	$ 9.64
Restricted Stock Disclosures:
Remaining unamortized stock-based compensation expense	$ 3,000
Remaining unamortized stock-based compensation expense, period for recognition (in years)	0 years 1 month 2 days
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Number of Shares
Non-vested as of September 30, 2013 (in shares)	854,928
Granted (in shares)	656,750
Vested (in shares)	(326,657)
Forfeited (in shares)	(71,974)
Non-vested as of March 31, 2014 (in shares)	1,113,047
Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2013 (in dollars per share)	$ 4.51
Granted (in dollars per share)	$ 4.89
Vested (in dollars per share)	$ 4.35
Forfeited (in dollars per share)	$ 4.41
Non-vested as of March 31, 2014 (in dollars per share)	$ 4.79
Restricted Stock Disclosures:
Remaining unamortized stock-based compensation expense	3,900,000
Remaining unamortized stock-based compensation expense, period for recognition (in years)	2 years 2 months 12 days
Outstanding non-vested RSUs aggregate intrinsic value	5,600,000
Outstanding non-vested RSUs weighted average remaining contractual term (in years)	1 year 4 months 24 days
Share-based compensation arrangement, by share-based payment award, options, vested and expected to vest, exercisable, number	1,000,000
Share based compensation arrangement, by share based payment award, equity instruments other than options, expected to vest, intrinsic value	$ 4,900,000
Share based compensation arrangement, by share based payment award, equity investments other than options, expected to vest, weighted average contractual term (in years)	1 year 4 months 24 days

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Recent Accounting Pronouncements (Policies)

6 Months Ended

Mar. 31, 2014

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

There have been no recent accounting pronouncements or changes in accounting pronouncements that are of significance, or of potential significance, to us other than those discussed below:

• In March 2013, the FASB issued ASU No. 2013-05, Foreign Currency Matters. This accounting standard update requires an entity to release into net income the entire amount of a cumulative translation adjustment related to its investment in a foreign entity when as a parent it either sells a part or all of its investment in the foreign entity or no longer holds a controlling financial interest in a subsidiary or group of assets within the foreign entity. This accounting standard update will be effective for our fiscal year beginning on October 1, 2014. We are currently evaluating the impact of this accounting standard update on our Consolidated Financial Statements.

• In July 2013, the FASB issued ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. The guidance requires a liability related to an unrecognized tax benefit to be offset against a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if certain criteria are met. The guidance is effective for interim and annual periods beginning after December 15, 2013 and should be applied prospectively to unrecognized tax benefits that exist at the effective date. Early adoption and retrospective application of the new guidance is permitted. We implemented this accounting standard update during the fiscal quarter ended March 31, 2014 and it had no significant impact on our Consolidated Financial Statements.

Fair Value of Financial Instruments

ASC 820, Fair Value Measurements, establishes a valuation hierarchy for disclosure of the inputs to valuation techniques used to measure fair value. This standard describes a fair value hierarchy based on three levels of inputs, of which the first two are considered observable and the last unobservable, that may be used to measure fair value:

• Level 1 inputs are unadjusted quoted prices in active markets for identical assets or liabilities. We classify investments within Level 1 if quoted prices are available in active markets.

• Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly, through market corroboration, for substantially the full term of the financial instrument. We classify items in Level 2 if the investments are valued using observable inputs to quoted market prices, benchmark yields, reported trades, broker/dealer quotes or alternative pricing sources with reasonable levels of price transparency.

• Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value. A financial asset or liability's classification within this hierarchy is determined based on the lowest level input that is significant to the fair value measurement. We do not hold any financial assets or liabilities within Level 3.

Valuation techniques used to measure fair value under ASC 820 must maximize the use of observable inputs and minimize the use of unobservable inputs.

Cash and Cash Equivalents

Cash consists primarily of bank deposits or, occasionally, highly liquid short-term investments with a maturity of three months or less at the time of purchase.

Restricted Cash

Restricted cash represents temporarily restricted deposits held as compensating balances against short-term borrowing arrangements.

Derivatives

All of our warrants meet the classification requirements for liability accounting pursuant to ASC 815, Derivatives and Hedging. Each quarter, we expect an impact on our statement of operations and comprehensive (loss) income when we record the change in fair value of our outstanding warrants using the Monte Carlo option valuation model. The Monte Carlo option valuation model is used since it allows the valuation of each warrant to factor in the value associated with our right to effect a mandatory exercise of each warrant. The valuation model requires the input of subjective assumptions, including the warrant's expected life and the price volatility of the underlying stock. The change in the fair value of our warrants has been primarily due to the change in the closing price of our common stock.

Receivables

Unbilled accounts receivable represents revenue recognized but not yet billed as of the period ended. Billings on contracts using the percentage-of-completion method usually occur upon completion of predetermined contract milestones or other contract terms, such as customer approval. The allowance for doubtful accounts is based on the age of receivables and a specific identification of receivables considered at risk of collection.

Severance and Restructuring Accruals

Our severance and restructuring-related accrual specifically relates to the Separation Agreement and non-cancelable obligations associated with an abandoned leased facility. Expense related to severance and restructuring accruals is included in selling, general, and administrative expense on our statement of operations and comprehensive (loss) income.

Asset Retirement Obligations

We have known conditional asset retirement conditions, such as certain asset decommissioning and restoration of rented facilities to be performed in the future. Our asset retirement obligations include assumptions related to renewal option periods for those facilities where we expect to extend lease terms. In future periods, the asset retirement obligation is accreted for the change in its present value and capitalized costs are depreciated over the useful life of the related assets. If the fair value of the estimated asset retirement obligation changes, an adjustment will be recorded to both the asset retirement obligation and the asset retirement capitalized cost. Revisions in estimated liabilities can result from revisions of estimated inflation rates, escalating retirement costs, and changes in the estimated timing of settling asset retirement obligations.

Legal Proceedings

Professional legal fees are expensed when incurred. We accrue for contingent losses when such losses are probable and reasonably estimable.

Segment Reporting

We have three operating divisions within the following two reporting segments:

• Fiber Optics: EMCORE Digital Fiber Optics Products and EMCORE Broadband Fiber Optics Products are aggregated as a separate reporting segment, Fiber Optics. Our Fiber Optics reporting segment provides optical components, subsystems, and systems for high-speed telecommunications, cable television (CATV), and fiber-to-the-premise (FTTP) networks, as well as products for satellite communications, video transport, and specialty photonics technologies for defense and homeland security applications.

• Photovoltaics: EMCORE Photovoltaics is a separate reporting segment, Photovoltaics. Our Photovoltaics reporting segment provides products for both space and terrestrial solar power applications. For space solar power applications, we offer high-efficiency multi-junction solar cells, covered interconnect cells (CICs), and complete satellite solar panels. For terrestrial power applications, we offer high-efficiency GaAs solar cells for concentrating photovoltaic (CPV) power systems.

We evaluate our reportable segments pursuant to ASC 280, Segment Reporting. The Company's Chief Executive Officer is the chief operating decision maker and he assesses the performance of the operating segments and allocates resources to segments based on their business prospects, competitive factors, net revenue, operating results, and other non-GAAP financial ratios.

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Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2014

Intangible Assets [Abstract]

Schedule of finite-lived intangible assets

The following table sets forth the carrying value of intangible assets by reporting segment:

(in thousands)	As of March 31, 2014							As of September 30, 2013
	Gross Assets		Accumulated Amortization			Net Assets		Gross Assets		Accumulated Amortization			Net Assets
Fiber Optics:
Core Technology	$	12,727	$	(12,033	)	$	694	$	12,727	$	(11,822	)	$	905
Customer Relations	3,511		(2,791		)	720		3,511		(2,647		)	864
Patents	4,697		(4,557		)	140		4,697		(4,498		)	199
	20,935		(19,381		)	1,554		20,935		(18,967		)	1,968
Photovoltaics:
Patents	1,972		(1,876		)	96		1,972		(1,781		)	191
Total	$	22,907	$	(21,257	)	$	1,650	$	22,907	$	(20,748	)	$	2,159

Schedule of finite-lived intangible assets, future amortization expense

Based on the carrying amount of our intangible assets as of March 31, 2014, the estimated future amortization expense is as follows:

Estimated Future Amortization Expense
(in thousands)
Six months ended September 30, 2014	$	509
Fiscal year ended September 30, 2015	555
Fiscal year ended September 30, 2016	554
Fiscal year ended September 30, 2017	32
Fiscal year ended September 30, 2018 and thereafter	—
Total	$	1,650

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Equity (Schedule of Stock Options Activity) (Details) (USD $)	6 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Number of Shares
Outstanding, beginning of period (in shares)	1,745,948
Granted (in shares)	24,575
Exercised (in shares)	(6,100)
Forfeited (in shares)	(30,805)
Expired (in shares)	(59,230)
Outstanding, end of period (in shares)	1,674,388
Exercisable as of December 31, 2013 (in shares)	1,504,207
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 17.78
Granted (in dollars per share)	$ 4.97
Exercised (in dollars per share)	$ 4.52
Forfeited (in dollars per share)	$ 4.55
Expired (in dollars per share)	$ 20.81
Outstanding, end of period (in dollars per share)	$ 17.77
Exercisable as of March 31, 2014 (in dollars per share)	$ 19.23
Weighted Average Remaining Contractual Life (in years):
Outstanding as of March 31, 2014	3 years 8 months 27 days
Exercisable as of March 31, 2014	3 years 2 months 27 days
Vested and Expected to Vest as of March 31, 2014
Number of stock options	1,647,359
Weighted average exercise price	$ 17.99
Weighted average remaining contractual term	3 years 7 months 28 days
Aggregate Intrinsic Value (in thousands)
Exercised (in shares)	$ 4,000	[1]	$ 92,000	[1]
Exercisable as of March 31, 2014	120,000	[1]
Vested and expected to vest as of March 31, 2014	209,000	[1]
Employee stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, average minimum vesting period (in years)	4 years
Stock options, average maximum vesting period (in years)	5 years
Stock options, contractual life (in years)	10 years
Unrecognized Stock-based Compensation Expense:
Unrecognized compensation expense	$ 600,000
Unrecognized compensation expense, period for recognition	2 years 10 months 24 days

[1] Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option's exercise price and the underlying stock price. For the six months ended March 31, 2013, the intrinsic value of options exercised was $92,000.

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Accrued Expenses and Other Current Liabilities (Schedule of Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2013
Payables and Accruals [Abstract]
Compensation	$ 3,833	$ 4,361
Warranty	4,833	4,030	5,942
Termination fee	2,775	2,775
Professional fees	748	676
Royalty	815	1,061
Customer deposits	1,254	730
Deferred revenue	831	2,565
Self insurance	1,360	1,352
Income and other taxes	1,385	1,345
Loss on sale contracts	428	415
Severance and restructuring accruals	585	601
Other	1,614	1,686
Accrued expenses and other current liabilities	$ 20,461	$ 21,597

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Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net (loss) income	$ (7,486)	$ 14,523
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation, amortization, and accretion expense	4,163	4,062
Stock-based compensation expense	2,239	2,133
Gain on sale of an investment	(307)	0
Provision adjustments related to doubtful accounts	361	15
Provision adjustments related to product warranty	1,562	2,401
Change in fair value of financial instruments	71	30
Non-cash insurance proceeds	0	(19,000)
Total non-cash adjustments	8,089	(10,359)
Changes in operating assets and liabilities:
Accounts receivable	4,003	(2,628)
Inventory	3,526	(600)
Other assets	2,496	2,448
Accounts payable	(630)	(9,176)
Accrued expenses and other current liabilities	(2,698)	(4,406)
Total change in operating assets and liabilities	6,697	(14,362)
Net cash provided by (used in) operating activities	7,300	(10,198)
Cash flows from investing activities:
Cash proceeds from sale of investment	307	0
Purchase of equipment	(1,039)	(4,961)
Deposits on equipment orders	0	(3)
Increase in restricted cash	(1,178)	(248)
Proceeds from disposal of property, plant and equipment	0	396
Net cash used in investing activities	(1,910)	(4,816)
Cash flows from financing activities:
Net (payments) proceeds from borrowings from credit facilities	(4,106)	1,463
Proceeds from sale of common stock	0	9,475
Proceeds from stock plans	659	1,006
Net cash (used in) provided by financing activities	(3,447)	11,944
Effect of exchange rate changes on foreign currency	128	(55)
Net increase in cash and cash equivalents	2,071	(3,125)
Cash and cash equivalents at beginning of period	16,104	9,047
Cash and cash equivalents at end of period	18,175	5,922
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid during the period for interest	272	370
Cash paid during the period for income taxes	4	15
NON-CASH INVESTING AND FINANCING ACTIVITIES
Forgiveness of capital lease and accounts payable	0	10,761
Note Receivable from contract manufacturer	$ 0	$ 8,239

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Inventory

6 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Inventory

Inventory

The components of inventory consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Raw materials	$	11,639	$	12,094
Work in-process	5,257		4,122
Finished goods	11,622		15,899
Inventory	$	28,518	$	32,115

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Segment Data and Related Information (Schedule of Revenue by Geographic Region) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Revenue	$ 42,247	$ 42,277	$ 86,458	$ 91,583
United States
Segment Reporting Information [Line Items]
Revenue	27,016	28,324	55,113	62,991
Asia
Segment Reporting Information [Line Items]
Revenue	11,093	8,825	21,380	17,725
Europe
Segment Reporting Information [Line Items]
Revenue	3,986	4,892	9,420	10,105
Other
Segment Reporting Information [Line Items]
Revenue	$ 152	$ 236	$ 545	$ 762

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Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

The components of accrued expenses and other current liabilities consisted of the following:

	As of		As of
(in thousands)	March 31, 2014		September 30, 2013
Compensation	$	3,833	$	4,361
Warranty	4,833		4,030
Termination fee	2,775		2,775
Professional fees	748		676
Royalty	815		1,061
Customer deposits	1,254		730
Deferred revenue	831		2,565
Self insurance	1,360		1,352
Income and other taxes	1,385		1,345
Loss on sale contracts	428		415
Severance and restructuring accruals	585		601
Other	1,614		1,686
Accrued expenses and other current liabilities	$	20,461	$	21,597

Schedule of Restructuring and Related Costs

The following table summarizes the changes in the severance and restructuring-related accrual accounts:

(in thousands)	Severance-related accruals			Restructuring-related accruals			Total
Balance as of September 30, 2013	$	523		$	78		601
Expense - charged to accrual	812			—			812
Payments and accrual adjustments	(750		)	(78		)	(828		)
Balance as of March 31, 2014	$	585		$	—		$	585

Schedule of Product Warranty Accruals

The following table summarizes the changes in our product warranty accrual accounts:

Product Warranty Accruals	For the three months ended March 31,						For the Six Months Ended March 31,
(in thousands)	2014			2013			2014			2013
Balance at beginning of period	$	4,415		$	4,580		$	4,561		$	4,100
Provision for product warranty - expense	1,296			1,772			1,562			2,401
Adjustments and utilization of warranty accrual	(347		)	(2		)	(759		)	(151		)
Balance at end of period	$	5,364		$	6,350		$	5,364		$	6,350
Current portion	$	4,833		$	5,942		$	4,833		$	5,942
Non-current portion	531			408			531			408
Product warranty liability at end of period	$	5,364		$	6,350		$	5,364		$	6,350

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Inventory (Schedule of Components of Inventory) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 11,639	$ 12,094
Work in-process	5,257	4,122
Finished goods	11,622	15,899
Inventory	$ 28,518	$ 32,115

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Suncore Joint Venture

6 Months Ended

Mar. 31, 2014

Equity Method Investments and Joint Ventures [Abstract]

Suncore Joint Venture

Suncore Joint Venture

On July 30, 2010, we entered into a joint venture agreement with San'an Optoelectronics Co., Ltd. (San'an), for the purpose of engaging in the development, manufacturing, and distribution of CPV receivers, modules, and systems for terrestrial solar power applications under a technology license from us. The joint venture, Suncore Photovoltaic Technology Co., Ltd. (Suncore), is a limited liability company under the laws of the People's Republic of China. In June 2013, we entered into an agreement to transfer our 40% registered ownership interest in Suncore to San'an Optoelectronics Co., Ltd. ("San'an") for a purchase price of $4.8 million. Under the terms of the Transfer Agreement, each of the parties agreed to indemnify the other for any losses incurred as a result of either party's breach of its obligations under the Transfer Agreement. Closing was subject to customary conditions, including Chinese regulatory approvals. The payment for the purchase price was made upon the completion of the share transfer, which occurred in September 2013. Upon completion of the share transfer in September 2013, the Company recognized $3.3 million of deferred revenue from Suncore included in the financial statements as of June 30, 2013, as well as the resulting gain of $4.8 million on our registered ownership interest.

In November 2011, we agreed to grant Suncore an exclusive license to use certain intellectual property and know-how, both existing and to-be-developed, related to the fabrication process and testing of terrestrial CPV solar cells on terrestrial CPV solar systems solely within the PRC, Hong Kong, Macau, and Taiwan (the licensed territory) and be able to use, market, and sell the terrestrial CPV solar cells worldwide, excluding only the United States. This licensing agreement was initially for $2.5 million and does not include intellectual property associated with the development of space qualified or radiation hardened solar cells. Suncore had not fulfilled all the requirements necessary to initiate payment for this license; as a result, we did not record any receivables from Suncore associated with this license agreement as of September 30, 2013. In October 2013, we amended the license agreement with Suncore that provides for the license agreement to be amended from $2.5 million to $0.8 million. In addition, we were only required to provide ongoing support through December 31, 2013 to Suncore. During the three months ended December 31, 2013, we received full payment from Suncore and recognized license revenue of $0.8 million related to the amendment.

On August 5, 2012, we entered into a definitive agreement which consolidated the Company's terrestrial CPV system engineering and development efforts, for both ground mount and rooftop terrestrial CPV products, into Suncore. EMCORE employees who were engaged in terrestrial CPV product and business development, as well as key engineering, sales, and marketing personnel, were transferred to Suncore upon the closing of the agreement on September 21, 2012. Suncore funded all ongoing R&D, marketing, sales, and business development functions related to terrestrial CPV systems. We sold these assets for $2.8 million. Included in prepaid expenses and other current assets at September 30, 2012 is the $2.8 million sale price, which amount was collected during the three months ended December 31, 2012. EMCORE will continue to own all of its intellectual property related to solar cell technology and maintain investment activities to advance CPV solar cell performance to serve a broader customer base within the CPV industry.

During the three months ended March 31, 2014 and 2013, we recorded revenue from Suncore of $0.1 million and $2.9 million, respectively. During the six months ended March 31, 2014 and 2013, we recorded revenue from Suncore of $0.9 million and$5.5 million, respectively.

Included in prepaid expenses and other current assets as of March 31, 2014 and September 30, 2013, is $0.4 million and $0.3 million, respectively, for amounts due from Suncore related to transaction services provided in accordance with the August 2012 definitive agreement and other smaller amounts.