1. Department of Engineering Physics; Tsinghua University; Beijing 100084 China
2. Advanced Interdisciplinary Technology Research Center; National Innovation Institute of Defense Technology; Beijing 100071 China
3. Key Laboratory of Physical Electronics and Devices of the Ministry of Education; Xi'an Jiaotong University; Xi'an Shaanxi 7100049 China
4. School of Optical-Electrical Computer Engineering; University of Shanghai for Science and Technology; Shanghai 200093 China
5. Shanghai Synchrotron Radiation Facility; Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201800 China