Affiliation: | 1. School of Mechanics and Optoelectronic Physics, Anhui University of Science and Technology, Huainan, 232001, PR China;2. School of Physics and Information Technology, Shaanxi Normal University, Xi''an 710062, PR China;3. School of Information, Guizhou University of Finance and Economics, Guiyang, 550025, PR China;4. School of Physics and Optoelectronic Engineering, Xidian University, Xi''an, 710071, PR China |