Security of quantum key distribution with arbitrary individual imperfections

被引：45
|
作者：
Maroy, Oystein [1 ]
Lydersen, Lars
Skaar, Johannes
机构：
[1] Norwegian Univ Sci & Technol, Dept Elect & Telecommun, NO-7491 Trondheim, Norway
来源：
PHYSICAL REVIEW A | 2010年 / 82卷 / 03期
关键词：
CRYPTOGRAPHY;
D O I：
10.1103/PhysRevA.82.032337
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider the security of the Bennett-Brassard 1984 protocol for quantum key distribution, with arbitrary individual imperfections simultaneously in the source and detectors. We provide the secure key generation rate and show that three parameters must be bounded to ensure security; the basis dependence of the source, a detector-blinding parameter, and a detector leakage parameter. The system may otherwise be completely uncharacterized and contain large losses.
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收藏
页数：7
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