1. State Key Laboratory of Precision Spectroscopy East China Normal University Shanghai 200241 China
2. Interdisciplinary Center of Quantum Information Zhejiang Province Key Laboratory of Quantum Technology and Device Department of Physics Zhejiang University Hangzhou 310027 China
3. State Key Laboratory of Surface Physics and Institute for Nanoelectronic Devices and Quantum Computing Fudan University Shanghai 200433 China
4. Zhangjiang Fudan International Innovation Center Fudan University Shanghai 201210 China