<SEC-DOCUMENT>0000808326-18-000016-index.html : 20180522
<SEC-HEADER>0000808326-18-000016.hdr.sgml : 20180522
<ACCEPTANCE-DATETIME>20180522164623
ACCESSION NUMBER:		0000808326-18-000016
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		3
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20171231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20171231
</ITEM>
</RULE>
FILED AS OF DATE:		20180522
DATE AS OF CHANGE:		20180522

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EMCORE CORP
		CENTRAL INDEX KEY:			0000808326
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				222746503
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36632
		FILM NUMBER:		18852926

	BUSINESS ADDRESS:	
		STREET 1:		2015 W. CHESTNUT STREET
		CITY:			ALHAMBRA
		STATE:			CA
		ZIP:			91803
		BUSINESS PHONE:		626-293-3400

	MAIL ADDRESS:	
		STREET 1:		2015 W. CHESTNUT STREET
		CITY:			ALHAMBRA
		STATE:			CA
		ZIP:			91803
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>formsdmay2018.htm
<DESCRIPTION>SD EMCORE 2018
<TEXT>
Document 1 - file: formsdmay2018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>exhibit1012018.htm
<DESCRIPTION>EXHIBIT 1.01 2017 CONFLICT MINERAL REPORT
<TEXT>
Document 2 - file: exhibit1012018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>emcorecolorlogogray2018q201.jpg
<DESCRIPTION>EMCORE LOGO
<TEXT>
Document 3 - file: emcorecolorlogogray2018q201.jpg

</DOCUMENT>
</SEC-DOCUMENT>