FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Black Iain 2. Date of Event Requiring Statement (Month/Day/Year) 04/02/2018 3. Issuer Name and Ticker or Trading Symbol EMCORE CORP [EMKR] (Last) (First) (Middle) 2015 W. CHESTNUT STREET 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) SVP, Operations 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) ALHAMBRA, CA 91803 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units (RSUs) (1)	  (2)	  (2)	Common Stock	25,000 (1)	$ 0 (1)	D	Â
Performance-Based Restricted Stock Units (PSUs) (3)	  (4)	  (4)	Common Stock	25,000 (3)	$ 0 (3)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Black Iain 2015 W. CHESTNUT STREET ALHAMBRA, CA 91803	Â	Â	  SVP, Operations	Â

Signatures

Ryan Hochgesang, attorney in fact		04/02/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Each RSU represents a contingent right to receive one share of EMCORE common stock.
(2)	RSUs vest as to 6,250 shares on each of June 8, 2018, 2019, 2020 and 2021, in each case subject to the Reporting Person's continued service with the Issuer through the applicable vesting date.
(3)	Each PSU represents a contingent right to receive one share of EMCORE common stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of the Russell Microcap Index, that were set by the Compensation Committee of the Board of Directors. The aggregate number of shares issued may range from zero (0) to 200% of the target number of shares reported in column 3 of this report.
(4)	Between zero (0) and 200% of the PSUs will vest, if at all, on December 28, 2020.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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