Loss tolerant device-independent quantum key distribution: a proof of principle

被引：3
|
作者：
Vallone, Giuseppe [1 ]
Dall'Arche, Alberto [1 ]
Tomasin, Marco [1 ]
Villoresi, Paolo [1 ]
机构：
[1] Univ Padua, Dept Informat Engn, I-35131 Padua, Italy
来源：
NEW JOURNAL OF PHYSICS | 2014年 / 16卷
关键词：
device independent quantum key distribution; Bell inequality; two-photon entanglement; COMMUNICATION; ENTANGLEMENT; PHOTONS; STATE;
D O I：
10.1088/1367-2630/16/6/063064
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We here present the rate analysis and a proof of principle demonstration of a device-independent quantum key distribution protocol requiring the lowest detection efficiency necessary to achieve a secure key compared to device-independent protocols known so far. The protocol is based on a non-maximally entangled state and its experimental demonstration has been performed by two-photon bipartite entangled states. The improvement with respect to protocols involving maximally entangled states has been estimated.
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页数：12
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