1. State Key Laboratory of Electronic Thin Film and Integrated Devices University of Electronic Science and Technology of China Chengdu 610054 China
2. State Key Laboratory for Mesoscopic Physics Collaborative Innovation Center of Quantum Matter School of Physics Peking University Beijing 100871 China
3. State Key Laboratory of Surface Physics Key Laboratory of Micro and Nano Photonic Structures (MOE) Department of Physics, and Institute for Nanoelectronic Devices and Quantum Computing Fudan University Shanghai 200433 China