A full quantum network scheme

doi:10.1088/1674-1056/23/10/100307

Abstract We present a full quantum network scheme using a modified BB84 protocol. Unlike other quantum network schemes, it allows quantum keys to be distributed between two arbitrary users with the help of an intermediary detecting user. Moreover, it has good expansibility and prevents all potential attacks using loopholes in a detector, so it is more practical to apply. Because the fiber birefringence effects are automatically compensated, the scheme is distinctly stable in principle and in experiment. The simple components for every user make our scheme easier for many applications. The experimental results demonstrate the stability and feasibility of this scheme.

Keywords: quantum key distribution quantum communication quantum network

Received: 20 June 2014
Revised: 22 August 2014
Accepted manuscript online:

PACS:	03.67.Dd	(Quantum cryptography and communication security)
	03.67.Hk	(Quantum communication)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61178010), the Fundamental Research Funds for the Central Universities (Grant No. bupt 2014TS01), the Fund of the State Key Laboratory of Information Photonics and Optical Communications (Grant No. 201318) (Beijing University of Posts and Telecommunications), and the National Program for Basic Research of China (Grant No. 2010CB923202).

Corresponding Authors: Ma Hai-Qiang
E-mail: hqma@bupt.edu.cn

About author: 03.67.Dd; 03.67.Hk

Cite this article:

Ma Hai-Qiang (马海强), Wei Ke-Jin (韦克金), Yang Jian-Hui (杨建会), Li Rui-Xue (李瑞雪), Zhu Wu (朱武) A full quantum network scheme 2014 Chin. Phys. B 23 100307


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