Author Affiliations

L. X. Wan,^1,* L. B. Yan,^1,* J. G. Huang,¹ G. Zhang,¹ L. C. Kwek,^2,† J. Fitzsimons,^3,† Y. D. Chong,⁴ J. B. Gong,⁵ A. Szameit,⁶ X. Q. Zhou,⁷ M. H. Yung,⁸ X. M. Jin,⁹ X. L. Su,¹⁰ W. Ser,¹ W. B. Gao,⁴ and A. Q. Liu^1,†

¹School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore

²Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore

³Engineering Product Development, Singapore University of Technology and Design, Singapore

⁴School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore

⁵Department of Physics and Centre for Computational Science and Engineering, National University of Singapore, Singapore

⁶Institut für Physik, Universität Rostock, D-18051 Rostock, Germany

⁷State Key Laboratory of Optoelectronic Materials and Technologies and School of Physics, Sun Yat-sen University, Guangzhou, China

⁸Institute for Quantum Science and Engineering and Department of Physics, Southern University of Science and Technology, Shenzhen, China

⁹State Key Laboratory of Advanced Optical Communication Systems and Networks, Institute of Natural Sciences & Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, China

¹⁰State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan, China

^*Equal contribution

^† cqtklc@gmail.com, joe.fitzsimons@quantumlah.org, eaqliu@ntu.edu.sg