1. College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing400065, P. R. China
2. Key Laboratory of Optoelectronic Technology and Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing400044, P. R. China
3. College of Materials Science and Engineering, Sichuan University, Chengdu610065, P. R. China
4. State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-Intense Laser Science, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, 201800Shanghai, P. R. China
5. School of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 310024Hangzhou, P. R. China
6. School of Material Science and Engineering, Zhengzhou University, Zhengzhou450001, P. R. China