面向 SPOQC 任务的连续变量量子密钥分发信道模拟器
量子物理
2026-03-02 v1
摘要
在卫星到地面的自由空间光（FSO）通信链路中，信道损耗会随时间动态变化。因此，对 FSO 信道的特征化至关重要，这可以通过实验室内的模拟实现来评估卫星有效载荷的实际性能。本文引入了一种新型光学信道模拟器，能够精确复制这些动态特性，尤其适用于低轨道 CubeSat。我们展示了其在 various 大气湍流强度、卫星轨迹以及特定光波长下，光学地面站参数的各种条件下，能够准确模拟卫星到地面的光通信信道。our satellite channel emulator was designed to test and benchmark the continuous variable quantum key distribution payload for the Satellite Platform for Optical Quantum Communications mission - an in-orbit demonstrator for the UK's Quantum Communication Hub, to be launched in early 2026。
引用
@article{arxiv.2602.23510,
title = {Continuous variable quantum key distribution channel emulator for the SPOQC mission},
author = {Emma Tien Hwai Medlock and Vinod N. Rao and Ry Render and Timothy Spiller and Rupesh Kumar},
journal= {arXiv preprint arXiv:2602.23510},
year = {2026}
}
备注
11 pages, 8 figures