Liang Peng1*, Lingfu Duan1, Kewen Wang1, Fei Gao2, Li Zhang2, Gaofeng Wang1, Yihao Yang3, Hongsheng Chen2* and Shuang Zhang4*
1 Key Laboratory for RF Circuits and Systems, Hangzhou Dianzi University, Ministry of Education, Hangzhou, China.
2 Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China.
3 Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore.
4 School of Physics and Astronomy, University of Birmingham, Birmingham, UK.
