1. Beijing Engineering Research Center of Mixed Reality and Advanced Display School of Optics and Photonics Beijing Institute of Technology Beijing 100081 China
2. Department of Physics Imperial College London London SW7 2AZ UK
3. Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100191 China
4. Laser Micro/Nano‐Fabrication Laboratory School of Mechanical Engineering Beijing Institute of Technology Beijing 100081 China