1 East China Normal University, School of Physics and Electronic Science, State Key Laboratory of Precision Spectroscopy, Shanghai, China
2 Chinese Academy of Sciences, Shanghai Institute of Optics and Fine Mechanics, Key Laboratory of Materials for High-Power Laser, Shanghai, China
3 Shanghai University, Department of Physics, Shanghai, China
4 Wuhan University, School of Physics and Technology, Center for Nanoscience and Nanotechnology, Wuhan, China
5 University of Chinese Academy of Sciences, Hangzhou Institute for Advanced Study, Hangzhou, China
6 Chongqing Institute of East China Normal University, Chongqing Key Laboratory of Precision Optics, Chongqing, China