1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, College of Physics and Electronics, Shanxi University, Taiyuan 030006, China
2. St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
3. Institute of Nuclear and New Energy Technology, Collaborative Innovation Center of Advanced Nuclear Energy Technology, Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education, Tsinghua University, Beijing 100084, China
4. Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
5. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China
6. Department of Physics, Tsinghua University, Beijing 100084, China