1. School of Physics and Technology and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University, Wuhan 430072, China
2. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, WuhanInstitute of Physics and Mathematics, Innovation Academy for Precision MeasurementScience and Technology, Chinese Academy of Sciences, Wuhan 430071, China
3. School of Microelectronics, Wuhan University, Wuhan 430072, China
4. Wuhan Institute of Quantum Technology, Wuhan 430206, China
5. Henan Academy of Sciences, Zhengzhou 450046, China