1. Key Laboratory
of Quantum Information, University of Science and Technology of China, CAS, Hefei, 230026, People’s Republic of China
2. Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
3. State Key
Laboratory of Modern Optical Instrumentation, Department of Optical
Engineering, Zhejiang University, Hangzhou 310027, China