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03 July 2021 – 07 July 2021 OSA Virtual Event - Beijing, Chongqing, Hong Kong, Urumqi (UTC + 08:00)
16 September 2021

Please note the virtual presentation logistics and registration of the conference is being managed by The Hong Kong Polytechnic University. You can contact the conference organizer at for all questions related to registration, payment and Whova. OSA will be closed on Monday, 5 July, in observance of a national holiday.


OECC is the foremost international conferences held annually in the Asia-Pacific region, centered on the optoelectronics and optical communications profession.

OECC 2021 will continue the footsteps of its predecessors, to serve as a great platform for researchers to discuss and explore advanced technologies of optoelectronics and communications from device to system levels.