Form 3 - Initial statement of beneficial ownership of securities

      The undersigned hereby constitutes and appoints Ryan Hochgesang, VP, General
Counsel and Secretary at EMCORE Corporation, signing singly, the undersigned's
true and lawful attorney-in-fact to:
(1)	execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer and/or director of EMCORE Corporation, Forms 3, 4 and 5, and all
amendments thereto, in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the rules thereunder;
(2)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Forms 3, 4 and 5,
complete and execute any amendment or amendments thereto, and timely file such
forms with the United States Securities and Exchange Commission and any stock
exchange or other authority; and
(3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.
The undersigned hereby grants to such attorney-in-fact full power and authority
to do and perform any and every act and thing whatsoever requisite, necessary or
proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's substitute
or substitutes, shall lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted.  The undersigned acknowledges
that the foregoing attorney-in-fact, in serving in such capacity at the request
of the undersigned, is not assuming, nor is EMCORE Corporation assuming, any of
the undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.  The undersigned agrees that the foregoing
attorney-in-fact may rely entirely on information furnished orally or in writing
by the undersigned to such attorney-in-fact.  The undersigned also agrees to
indemnify and hold harmless EMCORE Corporation and the foregoing
attorney-in-fact against any losses, claims, damages or liabilities (or actions
in these respects) that arise out of or are based upon any untrue statements or
omission of necessary facts in the information provided by the undersigned to
such attorney-in-fact for purposes of executing, acknowledging, delivering or
filing Forms 3, 4 and 5 and all amendments thereto, and agrees to reimburse such
company and the attorney-in-fact for any legal or other expenses reasonably
incurred in connection with investigating or defending against any such loss,
claim, damage, liability or action.


This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities of EMCORE Corporation,
unless earlier revoked by the undersigned in a signed writing delivered by
registered or certified mail, return receipt requested, to the Secretary of
EMCORE Corporation.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 16th day of January, 2024.


/s/ Jeffrey J. Roncka
Name: Jeffrey J. Roncka
EMCORE (NASDAQ:EMKR)
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