High Dimensional Quantum Key Distribution with Biphoton Frequency Combs through Energy-Time Entanglement
Murat Can Sarihan, Kai-Chi Chang, Xiang Cheng, Yoo Seung Lee, Tian Zhong, Hongchao Zhou, Zheshen Zhang, Franco N. C. Wong, Jeffrey H. Shapiro, Chee Wei Wong · Conference on Lasers and Electro-Optics · 2019
Biphoton frequency combs offer a photon-efficient way to achieve a very high-rate quantum key distribution by utilizing both time and frequency-bin encoding, while offering theoretically proven unconditional security.