Long-Distance Discrete-Modulated Continuous-Variable Quantum Key Distribution over 126.56 km of Fiber
Yan Pan, Mingze Wu, Heng Wang, Junhui Li, Yun Shao, Yang Li, Wei Huang, Song Yu, Yichen Zhang, Bingjie Xu · 2025
Employing an advanced security analysis method, we experimentally demonstrated a local local oscillator continuous-variable quantum key distribution system over 126.56km of single mode fiber with probabilistic shaped 16QAM, achieving a secret key rate of 169.37kbps.