Experimental realization of counterfactual quantum cryptography

被引：49
|
作者：
Brida, G. [1 ]
Cavanna, A. [1 ]
Degiovanni, I. P. [1 ]
Genovese, M. [1 ]
Traina, P. [1 ]
机构：
[1] Ist Nazl Ric Metrol INRIM, I-10135 Turin, Italy
来源：
LASER PHYSICS LETTERS | 2012年 / 9卷 / 03期
关键词：
quantum information; quantum communication; quantum interferometry; quantum counterfactual effect; KEY-DISTRIBUTION; ORTHOGONAL STATES; INTERFEROMETER; COMMUNICATION; FIBER; BB84;
D O I：
10.1002/lapl.201110120
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In counterfactual quantum key distribution (CQKD) information is transferred, in a secure way, between Alice and Bob even when no particle carrying the information is in fact transmitted between them. In this letter we fully implement the scheme for CQKD proposed in [1], demonstrating for the first time that information can be transmitted between two parties without the transmission of a carrier. ((c) 2012 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA) ((c) 2011 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA)
引用
收藏
页码：247 / 252
页数：6
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