1. State Key Laboratory of Artificial Microstructure and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
2. Collaborative Innovation Center of Quantum Matter, Beijing 100871, China
3. Institute for Nano Quantum Information Electronics, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
4. Microsystem & Terahertz Research Center, CAEP, No. 596, Yinhe Road, Shuangliu, Chengdu 610200, China
5. Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan