1. Key Laboratory of Optoelectronic Technology & Systems, Education Ministry of China, Chongqing University and College of Optoelectronic Engineering, Chongqing University, 400044 Chongqing, China
2. Faculty
of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, 541004 Guilin, China
3. Institute of Optoelectronics & Nanomaterials, College of Material Science and Engineering, Nanjing University of Science and Technology, 210094 Nanjing, China