High rate, long-distance quantum key distribution over 250 km of ultra low loss fibres

被引：215
|
作者：
Stucki, D. [1 ]
Walenta, N. [1 ]
Vannel, F. [1 ]
Thew, R. T. [1 ]
Gisin, N. [1 ]
Zbinden, H. [1 ]
Gray, S. [2 ]
Towery, C. R. [2 ]
Ten, S. [2 ]
机构：
[1] Univ Geneva, Appl Phys Grp, CH-1211 Geneva 4, Switzerland
[2] Corning Inc, Corning, NY 14831 USA
来源：
NEW JOURNAL OF PHYSICS | 2009年 / 11卷
关键词：
TELECOM FIBER; CRYPTOGRAPHY; SYSTEM;
D O I：
10.1088/1367-2630/11/7/075003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a fully automated quantum key distribution prototype running at 625MHz clock rate. Taking advantage of ultra low loss (ULL) fibres and low-noise superconducting detectors, we can distribute 6000 secretbits s(-1) over 100 km and 15 bits s(-1) over 250 km.
引用
收藏
页数：9
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