Security against individual attacks for realistic quantum key distribution -: art. no. 052304

被引：0

作者：

Lütkenhaus, N ^{[1
]}

机构：

[1] Helsinki Inst Phys, FIN-00014 Helsinki, Finland

来源：

PHYSICAL REVIEW A | 2000年 / 61卷 / 05期

关键词：

D O I：

10.1103/physreva.61.052304

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

I prove the security of quantum key distribution against individual attacks for realistic signals sources, including weak coherent pulses and down-conversion sources. The proof applies to the Bennett-Brassard 1984 protocol with the standard detection scheme (no strong reference pulse). I obtain a formula for the secure bit rare per time slot of an experimental setup, which can be used to optimize the performance of existing schemes for the considered scenario.

引用

页数：10

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