1. Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
2. Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117551, Singapore
3. College of Physics Science and Technology, Yangzhou University, Yangzhou 225002, China
4. Materials Characterization and Preparation Center, Southern University of Science and Technology, Shenzhen 518055, China
5. Shenzhen Key Laboratory of Quantum Science and Engineering, Shenzhen 518055, China