1. Center for Applied Physics and Technology, HEDPS, and School of Physics, Peking University, Beijing 100871, People's Republic of China
2. Institute of Applied Physics and Computational Mathematics, Beijing 100094, People's Republic of China
3. College of New Energy and New Materials, Shenzhen Technology University, Shenzhen 518118, People's Republic of China
4. Graduate School, China Academy of Engineering Physics, P.O. Box 2101, Beijing 100088, People's Republic of China
5. College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, People's Republic of China