1. State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, People’s Republic of China
2. Vacuum Interconnected Nanotech Workstation, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People’s Republic of China
3. College of Mathematics and Physics, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
4. Institute of Applied Physics and Computational Mathematics, Beijing 100088, People’s Republic of China
5. Frontier Science Center for Quantum Information, Beijing 100084, People’s Republic of China
6. Beijing Academy of Quantum Information Sciences, Beijing 100193, People’s Republic of China