高维双场量子密钥分配

IF 5.1 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Quantum Pub Date : 2025-10-01 DOI:10.22331/q-2025-10-01-1869

Ronny Mueller, Mujtaba Zahidy, Leif Katsuo Oxenløwe, Søren Forchhammer, Davide Bacco

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引用次数: 0

摘要

双场量子密钥分发（QKD）是一种使用单光子干涉进行长距离量子密钥分发的量子密钥分发协议。使用高维量子态编码信息的QKD协议可以受益于更高的密钥速率和更高的噪声恢复能力。我们定义了双场量子密钥分配的本质，并探讨了其在高维上的推广。进一步，我们证明，根据我们的定义，最终双场协议不能推广到更高的维度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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On High-Dimensional Twin-Field Quantum Key Distribution

Twin-Field Quantum Key Distribution (QKD) is a QKD protocol that uses single-photon interference to perform QKD over long distances. QKD protocols that encode information using high-dimensional quantum states can benefit from increased key rates and higher noise resilience. We define the essence of Twin-Field QKD and explore its generalization to higher dimensions. Further, we show that, ultimately, the Twin-Field protocol cannot be generalized to higher dimensions in accordance with our definition.

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来源期刊

Quantum Physics and Astronomy-Physics and Astronomy (miscellaneous)

CiteScore

9.20

自引率

10.90%

发文量

241

审稿时长

16 weeks

期刊介绍： Quantum is an open-access peer-reviewed journal for quantum science and related fields. Quantum is non-profit and community-run: an effort by researchers and for researchers to make science more open and publishing more transparent and efficient.