基于d维Bell纠缠态的量子安全直接通信方案

量子电子学报

基于d维Bell纠缠态的量子安全直接通信方案

翁鹏飞，陈红，蔡晓霞

解放军电子工程学院通抗系安徽合肥 230037

出版日期:2017-09-28 发布日期:2019-06-13
通讯作者: 陈红（1958-），女，硕士，教授，主要研究方向为通信信号处理和调制识别。 E-mail:hplanhf@126.com
作者简介:翁鹏飞（1994-），研究生，主要研究方向为量子通信。 Email: 2542939115@qq.com
基金资助:
Supported by National Natural Science Foundation of China(国家自然科学基金, 61571446）、Natural Science Foundation of Anhui Province(安徽省自然科学基金,KY13C152）

Quantum secure direct communication scheme based on d dimensional Bell entangled state

WENG Pengfei, CHEN Hong, CAI Xiaoxia

Communication Confrontation Department of Electronic Engineering Institute of PLA, Hefei 230037, China

Published:2017-09-28 Online:2019-06-13

摘要/Abstract

摘要： 为提高昌燕等提出的量子安全直接通信的通信效率和安全性，设计了基于d维Bell纠缠态的量子安全直接通信方案。通信前发送方（Alice）对d维Bell态粒子进行幺正变换来编码秘密信息，将变换后的d维Bell态粒子二序列发送给接收方（Bob），利用通信双方各自的POVM测量结果和Bell态粒子的纠缠特性，结合部分经典信息实现秘密消息的传输。采用熵理论、概率论分析协议的安全性，结果表明提出方案是安全的，且比昌燕等提出方案的传输效率高，窃听探测率也提高了11%。

关键词: 量子安全直接通信, 窃听检测, d维Bell态, 纠缠态

Abstract: In order to improve the communication efficiency and security of quantum secure direct communication proposed by Chang Yan et al, a quantum secure direct communication scheme based on d-dimensional Bell entangled state is designed. Before communication, the unitary transformation is carried out on d-dimensional Bell-state particles by the sender (Alice) to encode the secret information. Then the transformed d-dimensional Bell-state two-order sequence is transmitted to the receiver (Bob). Combining with some classical information, the transmission of secret messages is achieved by using the results of respective POVM measurement and the entanglement characteristics of Bell state particles. By using entropy theory and probability theory ,the protocol security is analyzed with the result showing that the proposed scheme is secure, and it has a higher transmission efficiency and a rise of 11% in the the eavesdropping detection rate than that of the scheme proposed by Chang Yan et al.

Key words: quantum secure direct communication, eavesdropping detection, d- dimension Bell state；entangled state

翁鹏飞，陈红，蔡晓霞. 基于d维Bell纠缠态的量子安全直接通信方案[J]. 量子电子学报.

WENG Pengfei, CHEN Hong, CAI Xiaoxia. Quantum secure direct communication scheme based on d dimensional Bell entangled state[J]. Chinese Journal of Quantum Electronics.

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