A theoretical scheme for multi-user quantum key distribution with N Einstein-Podolsky-Rosen pairs on a passive optical network

被引：0
|
作者：
Deng, FG [1 ]
Liu, XS
Ma, YJ
Xiao, L
Long, GL
机构：
[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[2] Key Lab Quantum Informat & Measurements, Beijing 100084, Peoples R China
[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[4] Tsinghua Univ, Ctr Atom & Mol Nanosci, Beijing 100084, Peoples R China
[5] Shandong Normal Univ, Dept Phys, Jinan 250015, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2002年 / 19卷 / 07期
关键词：
D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a theoretical scheme for any-to-any multi-user quantum key distribution on a passive optical network with ordered N Einstein-Podolsky-Rosen pairs. This scheme is safe and more efficient than those with single photons. Its efficiency approaches 100% in the limit that the number of pairs used in the eavesdropping check becomes negligible. It also has high capacity and is convenient for users.
引用
收藏
页码：893 / 896
页数：4
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