A quantum secure direct communication protocol using entangled beam pairs

被引：31
作者：
He, Rui [1 ,2 ,3 ]
Ma, Jin-Ge [4 ]
Wu, Jiawei [2 ]
机构：
[1] West Anhui Univ, Coll Elect & Photoelect Engn, Lu An 237012, Anhui, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[3] Beijing Acad Quantum Informat, Beijing 10008, Peoples R China
[4] Renmin Univ China, High Sch, Beijing 100080, Peoples R China
来源：
EPL | 2019年 / 127卷 / 05期
关键词：
CRYPTOGRAPHY; PHASE;
D O I：
10.1209/0295-5075/127/50006
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a feasible high-dimensional two-step quantum secure direct communication scheme by using the Einstein-Podolsky-Rosen entangled beam pair. Accoding to the quality of the two superposition forms of the EPR entangled state (two-mode squeezed vacuum state), we select the mutually unbiased bases for quantum measurement. With the unitary operation, we can subtly encode the confidential information in the quantum state. We also conducted a more detailed analysis of the security of this protocol. Copyright (C) EPLA, 2019
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页数：6
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