Beijing National Laboratory for Condensed Matter Physics, and the Institute of Physics,Chinese Academy of Sciences, Beijing 100190;
Beijing National Laboratory for Condensed Matter Physics, and the Institute of Physics,Chinese Academy of Sciences, Beijing 100190;
School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071;
Department of Opto-Electronics, Beijing Institute of Technology, Beijing 100081;
Beijing National Laboratory for Condensed Matter Physics, and the Institute of Physics,Chinese Academy of Sciences, Beijing 100190;
Beijing National Laboratory for Condensed Matter Physics, and the Institute of Physics,Chinese Academy of Sciences, Beijing 100190;
State Key Laboratory of Crystal Material and Institute of Crystal Material, Shandong University, Jinan 250100;
