Quantum dialogue based on quantum encryption with single photons in both polarization and spatial-mode degrees of freedom

被引：0

作者：

Ye TianYu ^{[1
]}

Geng MaoJie ^{[1
]}

Xu TianJie ^{[1
]}

Chen Ying ^{[1
]}

机构：

[1] Zhejiang Gongshang Univ, Coll Informat & Elect Engn, Hangzhou 310018, Peoples R China

来源：

SCIENTIA SINICA-PHYSICA MECHANICA & ASTRONOMICA | 2021年 / 51卷 / 10期

关键词：

quantum dialogue; quantum encryption; polarization degree; spatial-mode degree; information leakage; SECURE DIRECT COMMUNICATION; INFORMATION LEAKAGE; KEY DISTRIBUTION; BELL STATES; GHZ STATES; CRYPTOGRAPHY; ENTANGLEMENT; NETWORK;

D O I：

10.1360/SSPMA-2021-0188

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, a novel information-leakage-resistant quantum dialogue (QD) protocol with single photons in both polarization and spatial-mode degrees of freedom is proposed. This protocol utilizes quantum encryption technology to overcome the information leakage problem; the protocol utilizes quantum encryption and decoy photon technologies to dually protect the single photons with two degrees of freedom used for encoding two communicants' private classical bits, and makes the initial states of the single photons with two degrees of freedom for encoding shared between two communicants through quantum key encryption and decryption. The information-theoretical efficiency of this protocol is 40%.

引用

页数：8

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