Progress on Quantum Key Distribution Using Ultralow Loss Fiber
Alberto Boaron, Davide Rusca, Gianluca Boso, Raphaël Houlmann, Fadri Grünenfelder, Cédric Vulliez, Misael Caloz, Matthieu Perrenoud, Gaëtan Gras, Claire Autebert, Félix Bussières, Ming-Jun Li, Daniel A. Nolan, Anthony Martin, Hugo Zbinden · 2020
We use a 2.5 GHz clocked quantum key distribution system to perform long-distance and high-speed quantum key distribution. Taking benefit from superconducting detectors optimized for each operation regime and low-loss fiber, we achieve state-of-the-art performance.