PIERS 2021, delayed two times, and finally held at 2022 April online.

Our session, Topological metamaterials for photons, phonons and polaritons, invited world leading scientists and attracted lots of audience is successful!

(link for the session https://hz2021.piers.org/session.html?sid=S186)

Dr. Jian-Hua Jiang was awarded the Best Session Organizer Award.

https://piers.org/awards/bsoa.html