Exhibit 21.1
EMCORE Corporation Subsidiaries*


Corona Optical Systems, Inc., A Delaware corporation
EMCORE Hong Kong, Limited, a Hong Kong corporation
Langfang EMCORE Optoelectronics Company, Limited, a Chinese corporation
EMCORE Optoelectronics (Beijing) Company, Limited
Aerospace Newco Holdings, Inc., a Delaware corporation
Systron Donner Inertial, Inc., a Delaware corporation


*As of December 10, 2019