Large-capability quantum key distribution with entangled qutrits

被引：10
|
作者：
Guo, Ying [1 ,2 ,3 ]
Lee, Moonho [2 ]
Zeng, Guihua [3 ]
机构：
[1] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Peoples R China
[2] Chonbuk Natl Univ, Inst Informat & Commun, Chonju 561756, South Korea
[3] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200030, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2008年 / 281卷 / 14期
关键词：
D O I：
10.1016/j.optcom.2008.03.028
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A secure quantum key distribution protocol is proposed to distribute the three-dimensional secret message in a two-way quantum channel based on the entanglement of two-qutrit quantum system. The present protocol has an advantage over transmitting directly the secret message with large capacity since the distributed message has been imposed on nonorthogonal two-qutrit-entangled states by the sender using the superdense coding via local unitary operations. The security is ensured by the entanglement of the two-qutrit quantum system and the secure transmission of the traveling-particle sequence in the lossless and noiseless channel. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：3938 / 3942
页数：5
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