Efficient bidirectional quantum secure communication with two-photon entanglement

被引：25

作者：

Yin, Xun-Ru ^{[1
]}

Ma, Wen-Ping ^{[1
]}

Liu, Wei-Yan ^{[2
]}

Shen, Dong-Su ^{[1
]}

机构：

[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China

[2] Northwestern Polytech Univ, Sch Sci, Xian 710072, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2013年 / 12卷 / 09期

基金：

美国国家科学基金会;

关键词：

Bidirectional quantum secure communication; Two-photon entanglement; Entangled photon pairs; Information leakage; KEY DISTRIBUTION; SINGLE PHOTONS; BELL THEOREM; DIALOGUE; CRYPTOGRAPHY; SCHEME; STATES; PAIRS;

D O I：

10.1007/s11128-013-0584-y

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An efficient bidirectional quantum secure communication protocol is proposed with two-photon entanglement. Compared with the previous protocol proposed by Shi et al., our protocol can achieve higher efficiency. Meanwhile, for the same length secret messages, only half of entangled photon pairs need to be prepared in our protocol. And the number of classical bits in public classical communication is also a half of that in the previous protocol. Moreover, the information leakage does not exist in our scheme.

引用

页码：3093 / 3102

页数：10

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