Unconditional security of the Bennett 1992 quantum key-distribution protocol over a lossy and noisy channel -: art. no. 032316

被引：57

作者：

Tamaki, K ^{[1
]}

Lütkenhaus, N

机构：

[1] Grad Univ Adv Studies SOKENDAI, Kanagawa 2400193, Japan

[2] Univ Erlangen Nurnberg, Inst Theoret Phys 1, D-91058 Erlangen, Germany

[3] Univ Erlangen Nurnberg, Inst Opt Informat & Photon, Max Planck Res Grp, D-91058 Erlangen, Germany

来源：

PHYSICAL REVIEW A | 2004年 / 69卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.69.032316

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that the security proof of the Bennett 1992 protocol over loss-free channel given by Tamaki, Koashi, and Imoto [Phys. Rev. Lett. 90, 167904 (2003)] can be adapted to accommodate loss. We assumed that Bob's detectors discriminate between single-photon states on one hand and vacuum state or multiphoton states on the other hand.

引用

页码：032316 / 1

页数：5

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