Unconditionally secure one-way quantum key distribution using decoy pulses

被引：102
|
作者：
Yuan, Z. L. [1 ]
Sharpe, A. W. [1 ]
Shields, A. J. [1 ]
机构：
[1] Toshiba Res Europe Ltd, Cambridge Res Lab, Cambridge CB4 0WE, England
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 01期
关键词：
D O I：
10.1063/1.2430685
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors report here a complete experimental realization of one-way decoy pulse quantum key distribution, demonstrating an unconditionally secure key rate of 5.51 kbits/s for a 25.3 km fiber length. This is two orders of magnitudes higher than the value that can be obtained with a nondecoy system. They also introduce a simple test for detecting the photon number splitting attack and highlight that it is essential for the security of the technique to fully characterize the source and detectors used.
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页数：3
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