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Microwave-Enabled Two-Step Scheme for Continuous Variable Quantum Communications in Integrated Superconducting

delete2025-10-12
delete0
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OA
AI
M
Mao Yun
L
Lei Mao
W
Wanyi Wang
Y
Yijun Wang
H
Hang Zhang *
Y
Ying Guo
DOI：10.3390/math13203263delete
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摘要

摘要

En 中文
量子安全直接通信（QSDC）无需双方参与者预先进行密钥交换即可直接传输安全消息，在传输安全性方面具有优雅的优势。传统实现通常聚焦于离散变量（DV）系统，而其连续变量（CV）对应方案因与现有光基础设施的兼容性而受到广泛关注。为解决其在恶劣环境中的实际部署问题，我们提出了一种基于微波的CV-QSDC方案，该方案利用低温环境下的自由空间信道传输纠缠微波量子态。该两步方案设计用于安全直接通信，其中经典消息可通过高斯调制进行编码，随后通过作用于微波量子态的位移操作进行传输。数据处理流程涉及微波纠缠态生成、信道检测、参数估计等环节。仿真结果表明了基于微波的CV-QSDC的可行性，突显了其在集成超导和固态量子技术中的安全通信潜力。
Keyword:
quantum secure direct communication
quantum communications
quantum cryptography

期刊

Mathematics 封面图
Mathematics
IF:
2.2
论文数:
3.1K
被引数:
3.6W

机构

C
Central South University
学者数:
10.0W
论文数: 7.2W
被引数: 10.9W
S
shaoyang university
学者数:
276
论文数: 102
被引数: 0
引用论文

引用论文

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