1. State Key Laboratory of Surface Physics, Key Laboratory of Micro and Nano Photonic Structures (MOE), and Department of Physics, Fudan University, Shanghai 200433, People’s Republic of China
2. College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, People’s Republic of China
3. Faculty of Sciences, Holon Institute of Technology, 52 Golomb Street, P.O. Box 305, Holon 5810201, Israel
4. Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, The University of Tokyo, Tokyo 113-8656, Japan
5. Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
6. Department of Physics, College of Physical Science and Technology, Xiamen University, Xiamen 316005, People’s Republic of China
7. Shanghai Qi Zhi Institute, Shanghai 200232, People’s Republic of China
8. Institute for Nanoelectronic Devices and Quantum Computing, Fudan University, Shanghai 200433, China
9. Shanghai Research Center for Quantum Sciences, Shanghai 201315, People’s Republic of China