Institute of Laser and Opto-electronics and Key Laboratory of Opto-electronics Information Science and Technology,Tianjin University, Tianjin 300072;
Department of Physics, Tianjin University Renai College, Tianjin 301636;
Institute of Laser and Opto-electronics and Key Laboratory of Opto-electronics Information Science and Technology,Tianjin University, Tianjin 300072;
College of science, Guilin University of Technology, Guilin 541004;
Institute of Laser and Opto-electronics and Key Laboratory of Opto-electronics Information Science and Technology,Tianjin University, Tianjin 300072;
Institute of Laser and Opto-electronics and Key Laboratory of Opto-electronics Information Science and Technology,Tianjin University, Tianjin 300072;
Institute of Laser and Opto-electronics and Key Laboratory of Opto-electronics Information Science and Technology,Tianjin University, Tianjin 300072;
