1. Interdisciplinary Center of Quantum Information, State Key Laboratory of Modern Optical Instrumentation, and Zhejiang Province Key Laboratory of Quantum Technology and Device School of Physics, Zhejiang University Hangzhou 310027 China
2. Institute of Science and Technology Austria am Campus 1 Klosterneuburg 3400 Austria
3. Kavli Institute of Nanoscience, Department of Quantum Nanoscience Delft University of Technology Delft 2628 CJ The Netherlands