1. State
Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. College
of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, People’s Republic of China
4. High
Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China