Engineering and Technology

Sub-Gbps key rate four-state continuous-variable quantum key distribution within metropolitan area

H. Wang, Y. Li, et al.

Discover how a groundbreaking study by Heng Wang, Yang Li, Yaodi Pi, Yan Pan, Yun Shao, Li Ma, Yichen Zhang, Jie Yang, Tao Zhang, Wei Huang, and Bingjie Xu propels continuous-variable quantum key distribution to new heights. This research demonstrates a remarkable single-carrier four-state CVQKD system achieving sub-Gbps key rates, revolutionizing secure communications within metropolitan networks.