1. Physics Department and National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA
2. State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, P.O. Box 912, Beijing 100083, China
3. Beijing Academy of Quantum Information Science, Beijing 100193, China
4. School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China
5. Center for Ultrafast Science and Technology, Key Laboratory for Laser Plasmas (Ministry of Education) and School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
6. Collaborative Innovation Center of Inertial Fusion Sciences and Applications (CICIFSA), Shanghai Jiao Tong University, Shanghai 200240, China
7. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
8. College of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100190, China