1. State Key Laboratory for Mesoscopic Physics and Collaborative Innovation Center of Quantum Matter, School of Physics, Peking University, Beijing 100871, China
2. Shenzhen Institute for Quantum Science and Engineering and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
3. Beijing Key Laboratory of Quantum Devices, Peking University, Beijing 100871, China
4. Frontiers Science Center for Nano-optoelectronics, Peking University, Beijing 100871, China