High-dimensional measurement-device-independent quantum secure direct communication

被引：21

作者：

Liu, Lu ^{[1
]}

Niu, Jia-Lei ^{[1
]}

Fan, Chen-Rui ^{[2
]}

Feng, Xue-Ting ^{[2
]}

Wang, Chuan ^{[1
,2
]}

机构：

[1] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China

[2] Beijing Normal Univ, Sch Artificial Intelligence, Beijing 100875, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2020年 / 19卷 / 11期

关键词：

High-dimension; Measurement-device-independent; Quantum secure direct communication; UNCONDITIONAL SECURITY; KEY DISTRIBUTION; CRYPTOGRAPHY;

D O I：

10.1007/s11128-020-02908-x

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Quantum secure direct communication is an important communication mode of quantum communications. Its development and application are mainly limited by the channel capacity and channel loss. Here, in this paper, a high-dimensional measurement-device-independent quantum secure direct communication protocol is proposed. The quantum information is encoded on the spatial mode of the photons which enlarges the coding Hilbert space and results in the high efficiency, feasibility with existing technique, and tolerance of channel noise. Based on realistic experimental parameters, the efficiency of communications is analytically derived and numerically discussed.

引用

页数：11

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