1. College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, China
2. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin, China
3. State Key Laboratory of Quantum Optics and Quantum Optics Devices and the Institute of Opto-Electronics, Shanxi University, Taiyuan, China
4. National Center for Applied Mathematics, Chongqing Normal University, Chongqing, China