1. Department of Mathematics and Physics Chongqing University of Posts and Telecommunications Chongqing China
2. College of Physics Liaoning University Shenyang China
3. Information and Network Management Center Chongqing University of Posts and Telecommunications Chongqing China
4. School of Science Chongqing University of Technology Chongqing China
5. State Key Laboratory of Luminescence and Applications Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences Changchun China