Integrated Chip for Continuous-variable Quantum Key Distribution using Silicon Photonic Fabrication
Gong Zhang, Lushuai Cao, Jing Yan Haw, Xiaojun Jia, Xingliang Su, L. C. Kwek, Joseph F. Fitzsimons, Ping Koy Lam, Xiaoqi Zhou, Weibo Gao, Jintao Gong, Y. D. Chong, Alexander Szameit, W. Ser, A. Q. Liu · Conference on Lasers and Electro-Optics · 2018
A continuous-variable quantum key distribution system based on silicon photonic chip is designed and tested. A proof-of-principle test shows the secure key-rate can reach 1.92 Mbit/s at 0 km and 37 kbit/s at 45 km distance.