DPS Quantum Key Distribution and Related Technologies

被引：1

作者：

Inoue, Kyo ^{[1
,2
,3
]}

Takesue, Hiroki ^{[2
,3
]}

Honjo, Toshimori ^{[2
,3
]}

机构：

[1] Osaka Univ, 2-2 Yamadaoka, Suita, Osaka 5650871, Japan

[2] NTT Corp, NTT Basic Res Labs, Atsugi, Kanagawa 2430198, Japan

[3] JST CREST, Tokyo 1020075, Japan

来源：

QUANTUM COMMUNICATIONS REALIZED II | 2009年 / 7236卷

关键词：

Quantum key distribution; coherent pulses; eavesdropping; SINGLE-PHOTON DETECTION; UP-CONVERSION;

D O I：

10.1117/12.808590

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A unique quantum key distribution (QKD) protocol, called DPS (differential-phase-shift) QKD, has been proposed and developed at NTT and Osaka University, which utilizes a coherent pulse train instead of individual photons as in traditional QKD protocols such as BB84. Its security is based on the fact that every phase difference of a highly-attenuated coherent pulse train cannot be fully measured. This protocol has features of simple setup, potential for a high key creation rate, and robustness against photon-number-splitting attack. This paper presents recent research activities on DPS-QKD.

引用

页数：9

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