1. Department of Applied Physics, School of Physics, Xi'an Jiaotong University, 710049, People's Republic of China
2. MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Physics, Xi'an Jiaotong University, 710049, People's Republic of China
3. Shaanxi Province Key Laboratory of Quantum Information and Optoelectronic Quantum Devices, School of Physics, Xi'an Jiaotong University, 710049, People's Republic of China