Attend SPIE/COS Photonics Asia 2021

Join us, in China or online, for the premier international event on optics and photonics technologies

Joining other leaders

This is China’s leading international research meeting for biomedical optics, advanced optical imaging, quantum and nonlinear optics, laser processing, plasmonics, holography, and more.

Thank you for connecting to your photonics community, in-person in Nantong, or online through

Registered attendees have continued access to online content through Friday, October 22, 2021.

A home for your research. In person. Online.

Stay connected to optical engineers around the world, learn about recent advances, and report your own progress

Participate in Photonics Asia in person, or remotely and stay connected to the Photonics Asia community. No matter how the research is presented, information exchange is important and SPIE and COS are here to help bring the optics and photonics community together to share the advances with the world.

Attendees at SPIE/COS Photonics Asia

Why attend Photonics Asia?

Latest research presented at SPIE/COS Photonics Asia

Access the latest research

Hear presentations with the latest breakthroughs from around the world

Attendees at SPIE/COS Photonics Asia

Connect with colleagues

Technical and networking events to help you make important contacts

Plenary speaker at SPIE/COS Photonics Asia

Hear world-class speakers

Review plenary presentations to learn of the latest challenges and opportunities