1. State Key Laboratory of Low Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
2. XingJian College, Tsinghua University, Beijing 100084, China
3. School of Integrated Circuits, Tsinghua University, Beijing 100084, China
4. Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China
5. Beijing Innovation Center for Future Chips, Tsinghua University, Beijing 100084, China
6. Tsinghua-Foxconn Nanotechnology Research Center, Department of Physics, Tsinghua University, Beijing 100084, China
7. Frontier Science Center for Quantum Information, Beijing 100084, China
8. Hefei National Laboratory, Hefei 230088, China