1. CAS Key Laboratory of Quantum Information, School of Physical Sciences,University of Science and Technology of China, Hefei 230026, People’s Republic of China
2. CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, People’s Republic of China
3. Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People’s Republic of China