基于 GHZ 态粒子和单光子混合的
量子安全直接通信协议

doi:10.3969/j.issn.1007-5461.2022.05.010

量子电子学报 ›› 2022, Vol. 39 ›› Issue (5): 768-775.doi: 10.3969/j.issn.1007-5461.2022.05.010

基于 GHZ 态粒子和单光子混合的量子安全直接通信协议

周贤韬, 江英华∗ , 郭晨飞, 赵宁, 刘彪

( 西藏民族大学信息工程学院, 陕西咸阳 712000 )

收稿日期:2021-02-07 修回日期:2021-03-26 出版日期:2022-09-28 发布日期:2022-09-28
通讯作者: E-mail: 250364629@qq.com E-mail:E-mail: 250364629@qq.com
作者简介:周贤韬 ( 1996 - ), 安徽宣城人, 研究生, 主要从事量子安全通信方面的研究。 E-mail: 568438707@qq.com
基金资助:
Supported by Special Scientiﬁc Research Plan of Shaanxi Provincial Department of Education (陕西省教育厅科研专项科学研究计划, 19JK0889)

Quantum secure direct communication protocol based on mixture of GHZ particles and single photon

ZHOU Xiantao, JIANG Yinghua ∗ , GUO Chenfei, ZHAO Ning, LIU Biao

( School of Information Engineering, Tibet University for Nationalities, Xianyang 712000, China )

Received:2021-02-07 Revised:2021-03-26 Published:2022-09-28 Online:2022-09-28

摘要/Abstract

摘要： 基于 GHZ 态粒子与单光子的结合, 提出一种量子安全直接通信协议。该协议中 Alice 先将信息编码, 然后将所有 GHZ 态粒子分为 S 1, S 2 和 S 3 三部分。Alice 先将 S 1 发给 Bob 并对信道安全性做检测, 再将 S 2 和单光子 S S 混合, 经顺序重排和添加诱骗粒子后发给 Bob 并做安全检测, 再将 S 3 和 S S 混合并重复上述操作, 最后由 Bob 测量并解码。该协议可省去复杂的酉运算, 简化协议实现过程, 并且顺序重排和诱骗粒子的结合确保了协议的安全性。此外, 单光子和 GHZ 态的混合使得在一个量子态上加载了 4 bits 的经典信息, 极大地增加了编码容量, 提高了传输效率。

关键词: 量子光学, GHZ态, 量子安全通信, 传输效率

Abstract: Based on the combination of GHZ particles and single photon, a quantum secure direct communication protocol is proposed. In this protocol, Alice encodes the information, and then divides all GHZ particles into three parts: S 1, S 2 and S 3. Firstly, Alice sends S 1 to Bob and detects the channel security. Secondly, mixes S 2 with single photon S S and sends to Bob and detects the channel security after rearranging and adding decoy particles in order. Thirdly, mixes S 3 with S S and repeats the previous operation. Finally, Bob measures the information and decodes it. This protocol can save the complex unitary operation, simplify the implementation process of the protocol, and at the same time, the combination of sequence rearrangement and decoy particles ensures the security of the protocol. In addition, the mixing of single photon and GHZ states makes it possible to load 4 bits classical information on a quantum state, which greatly increases the coding capacity and transmission eﬃciency.

Key words: quantum optics, GHZ state, quantum secure communication, transmission e?ciency

中图分类号:

TN918.1

周贤韬, 江英华∗, 郭晨飞, 赵宁, 刘彪. 基于 GHZ 态粒子和单光子混合的量子安全直接通信协议[J]. 量子电子学报, 2022, 39(5): 768-775.

ZHOU Xiantao, JIANG Yinghua ∗ , GUO Chenfei, ZHAO Ning, LIU Biao. Quantum secure direct communication protocol based on mixture of GHZ particles and single photon[J]. Chinese Journal of Quantum Electronics, 2022, 39(5): 768-775.

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基于 GHZ 态粒子和单光子混合的量子安全直接通信协议

Quantum secure direct communication protocol based on mixture of GHZ particles and single photon

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基于 GHZ 态粒子和单光子混合的 量子安全直接通信协议

Quantum secure direct communication protocol based on mixture of GHZ particles and single photon

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基于 GHZ 态粒子和单光子混合的量子安全直接通信协议