1. Department of Physics and CAS Key Laboratory of Strong-Coupled Quantum Matter Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
2. The Center of Physical Experiments, University of Science and Technology of China, Hefei 230026, China
3. National Engineering Research Center for Optical Instruments, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310058, China
4. Department of Physics, University of Science and Technology of China, Hefei 230026, China