-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CJp4k7RuOLp8HBBKnDboxZiw96/6s2oPVZoHWmlJHeuw/26IGISrG2HSYLgosrAi
 eMefXByAdhqy/3YgF5y8+Q==

<SEC-DOCUMENT>0001005477-03-004491.txt : 20031119
<SEC-HEADER>0001005477-03-004491.hdr.sgml : 20031119
<ACCEPTANCE-DATETIME>20031119071021
ACCESSION NUMBER:		0001005477-03-004491
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031118
FILED AS OF DATE:		20031119

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GMITTER THOMAS J
		CENTRAL INDEX KEY:			0001115421
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22175
		FILM NUMBER:		031011577

	BUSINESS ADDRESS:	
		STREET 1:		3101 NORTH ELM STREET
		STREET 2:		PO BOX 26540
		CITY:			GREENSBORO
		STATE:			NC
		ZIP:			27408

	MAIL ADDRESS:	
		STREET 1:		3101 NORTH ELM STREET
		CITY:			GREENSBORO
		STATE:			NC
		ZIP:			27408

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EMCORE CORP
		CENTRAL INDEX KEY:			0000808326
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				222746503
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		145 BELMONT DRIVE
		CITY:			SOMERSET
		STATE:			NJ
		ZIP:			08873
		BUSINESS PHONE:		7322719090

	MAIL ADDRESS:	
		STREET 1:		145 BELMONT DRIVE
		CITY:			SOMERSET
		STATE:			NJ
		ZIP:			08873
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar123.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-11-18</periodOfReport>
    <notSubjectToSection16>1</notSubjectToSection16>
    <issuer>
        <issuerCik>0000808326</issuerCik>
        <issuerName>EMCORE CORP</issuerName>
        <issuerTradingSymbol>emkr</issuerTradingSymbol>
    </issuer>

    <reportingOwner>

        <reportingOwnerId>
            <rptOwnerCik>0001115421</rptOwnerCik>
            <rptOwnerName>GMITTER THOMAS J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6415 DAWN VIEW DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ALBUQUERQUE</rptOwnerCity>
            <rptOwnerState>NM</rptOwnerState>
            <rptOwnerZipCode>87111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
        <isDirector>0</isDirector>
        <isOfficer>1</isOfficer>
        <isTenPercentOwner>0</isTenPercentOwner>
        <isOther>0</isOther>
        <officerTitle>CIO</officerTitle>
    </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>

        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>

        <transactionDate>
            <value>2003-11-18</value>
        </transactionDate>

        <deemedExecutionDate>
            <value>2003-11-18</value>
        </deemedExecutionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>S</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
        <transactionAmounts>

            <transactionShares>
                <value>2045.00</value>
            </transactionShares>

            <transactionPricePerShare>
                <value>5.03</value>
            </transactionPricePerShare>

            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>0</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>
<remarks>N/A</remarks>

    <ownerSignature>
        <signatureName>Thomas Gmitter</signatureName>
        <signatureDate>2003-11-18</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----