1. School of Information and Electrical Engineering, Hangzhou City University 1 , Hangzhou 310015, People’s Republic of China
2. Department of Physics, Chongqing University 2 , Chongqing 401331, People’s Republic of China
3. Chongqing Key Laboratory for Strongly-Coupled Physics, Chongqing University 3 , Chongqing 401331, People’s Republic of China
4. Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, School of Science, Jiangnan University 4 , Wuxi 214122, People’s Republic of China