Proposal of an eavesdropping experiment for BB84 QKD protocol with 1 → 3 phase-covariant quantum cloner

被引：0
|
作者：
Okubo, Yuta [1 ,2 ]
Buscemi, Francesco [2 ]
Tomita, Akihisa [2 ]
机构：
[1] Univ Tsukuba, Dept Frontier Sci, Tsukuba, Ibaraki 305, Japan
[2] Japan Sci & Technol Agcy, ERATO SORST, Quantum Computat & Informat Project, Tokyo 1028666, Japan
来源：
QUANTUM COMMUNICATION, MEASUREMENT AND COMPUTING (QCMC) | 2009年 / 1110卷
关键词：
Quantum Key Distribution; Quantum Cloning; Linear optics;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose an experimental implementation of a particular attack against the BB84 quantum key distribution protocol, utilizing a 1 -> 3 asymmetric phase-covariant quantum cloning. Our eavesdropping strategy is numerically optimized to extract the information about the input state. The proposed cloning circuit is easily implementable with linear optics and its performances turn out to be well close to the optimum attack.
引用
收藏
页码：355 / +
页数：2
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