振幅偏移键控型非对称量子通信系统的安全增强

IF 2.2 3区物理与天体物理 Q1 PHYSICS, MATHEMATICAL Quantum Information Processing Pub Date : 2024-05-20 DOI:10.1007/s11128-024-04405-x

Tiancheng Wang, Tsuyoshi Sasaki Usuda

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引用次数: 0

摘要

最近，我们提出了一种振幅偏移键控非对称量子通信系统，并评估了使用准贝尔态和双模挤压真空态（TSVS）作为纠缠光源时的可靠性。在本文中，我们评估了系统的安全性，发现根据纠缠光源的不同，安全性或可靠性都可以得到增强。我们还考虑了一种通过增加信号模式数量来增强系统安全性和可靠性的方法。有趣的是，我们发现在某些条件下，准贝尔态的性能总是优于 TSVS。

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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Security enhancement of amplitude-shift keying-type asymmetric quantum communication systems

Recently, we proposed an amplitude-shift keying asymmetric quantum communication system and evaluated its reliability when using the quasi-Bell state and two-mode squeezed vacuum state (TSVS) as an entangled light source. In this paper, we evaluate the security of the system and find that either security or reliability can be enhanced depending on the entangled light sources. We also consider an approach to enhance the security of the system as well as its reliability by increasing the number of signal modes. Interestingly, we find that the quasi-Bell state always performs better than the TSVS under certain conditions.

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来源期刊

Quantum Information Processing 物理-物理：数学物理

CiteScore

4.10

自引率

20.00%

发文量

337

审稿时长

4.5 months

期刊介绍： Quantum Information Processing is a high-impact, international journal publishing cutting-edge experimental and theoretical research in all areas of Quantum Information Science. Topics of interest include quantum cryptography and communications, entanglement and discord, quantum algorithms, quantum error correction and fault tolerance, quantum computer science, quantum imaging and sensing, and experimental platforms for quantum information. Quantum Information Processing supports and inspires research by providing a comprehensive peer review process, and broadcasting high quality results in a range of formats. These include original papers, letters, broadly focused perspectives, comprehensive review articles, book reviews, and special topical issues. The journal is particularly interested in papers detailing and demonstrating quantum information protocols for cryptography, communications, computation, and sensing.