1. Key Laboratory of Optoelectronic Technology and Systems (Ministry of Education); College of Optoelectronic Engineering; Chongqing University; Chongqing 400044 China
2. State Key Laboratory of High Field Laser Physics; Shanghai Institute of Optics and Fine Mechanics; Chinese Academy of Sciences; Shanghai 201800 China
3. Department of Applied Physics; College of Physics; Chongqing University; Chongqing 401331 P. R. China