1. Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University Chongqing 401331, China
2. Department of Physics, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
3. Shenzhen Fantwave Tech. Co., Ltd, Shenzhen 518110, China
4. Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Key Disciplines Laboratory of Novel Micro-Nano Devices and System Technology, School of Optoelectronics Engineering, Chongqing University, Chongqing 401331, China