1. Institute of Ultrafast Optical Physics, MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing, Department of Applied Physics, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
2. Institute of Physics, Chinese Academy of Sciences, Beijing National Laboratory for Condensed Matter Physics, Beijing 100190, People's Republic of China
3. State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
4. School of Physics, University of Chinese Academy of Sciences, Beijing 100049, China
5. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China