Abstract
We propose a signal patterning technique to mitigate backscattering and optimize secure key rates for Sagnac twin-field QKD systems. Simulation results based on experimentally-measured backscattering coefficient yield positive key rates for 250km using APD detectors.
© 2021 The Author(s)
PDF ArticleMore Like This
Lai Zhou, Jinping Lin, Yumang Jing, and Zhiliang Yuan
Th3J.5 Optical Fiber Communication Conference (OFC) 2023
Joo Yeon Cho, Jose-Juan Pedreno-Manresa, Sai Patri, Andrew Sergeev, Jörg-Peter Elbers, Helmut Griesser, Catherine White, and Andrew Lord
M2B.4 Optical Fiber Communication Conference (OFC) 2021
Rui Lin and Jiajia Chen
F4E.6 Optical Fiber Communication Conference (OFC) 2021