An integrated photonic chip of measurement-device independent quantum key distribution (MDI-QKD)

• Main Authors: Cao, Lin, Luo, Wei, Wang, Yun Xiang, Zou, Jun, Yan, Ru Dai, Cai, Hong, Hu, Xiao Long, Jiang, Cong, Zhou, Xiao Qi, Sun, Shi Hai, Wang, Xiang Bin, Jin, Yu Feng, Kwek, Leong Chuan, Liu, Ai Qun
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2021
• Subjects: Engineering::Electrical and electronic engineering; Quantum Communications; Integration and Techniques
• Online Access: https://hdl.handle.net/10356/151452
• Institution: Nanyang Technological University

An integrated chip of MDI-QKD system is demonstrated. The system generates a key rate per pulse of 2.923 × 10^-6 over a distance corresponding to 50-km optical fibre with 25% detection efficiency.