★Organized by:* IEEE Photonics Society* IEEE Photonics Society-Guangdong Chapter ★Hosted by:* Department of Electronic and Electrical Engineering, Southern University of Science and Technology ★Local Host:* China International Optoelectronic Exposition* China International Optoelectronic Conference* Chengdu Young Academic Conference Co. Ltd. ★Publication:After a careful reviewing process, all accepted papers after proper registration and presentation, will be published in the conference Proceedings by IEEE, which will also be included into IEEE Xplore and submitted for EI Compendex and Scopus. ★How to Submit:[Abstracts] Accepted Abstracts will be invited to present at the conference, the abstract will not be published.[Full Papers] Accepted full papers presented at the conference will be published into the conference proceedings.* Please send your manuscript to EasyChair online submission system: 【https://easychair.org/conferences/?conf=ogc2021】