1. College of Physics Center for Marine Observation and Communications Qingdao University Qingdao 266071 China
2. School of Physics State Key Laboratory of Crystal Materials Shandong University Jinan 250100 China
3. State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology (SIMIT) Chinese Academy of Sciences Shanghai 200050 China
4. College of Material Science and Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
5. Materials Science and Engineering Program and Department of Mechanical Engineering The University of Texas at Austin Austin TX 78712 USA
6. Department of Electrical and Computer Engineering & Institute for Quantum Computing University of Waterloo Waterloo ON N2L 3G1 Canada