Professor Dong Jian-Wen delivered a speak on the CLEO-PR, OECC and PGC 2017

Professor Dong Jian-Wen has participated in the CLEO-PR, OECC and PGC 2017, Singapre, from 31th July to 4th August. Professor Dong was invited to deliver a speak on Valley Photonic Crystals (VPCs) For Control Spin and Topology.