Efficient Quantum Key Distribution Protocol

doi:10.13190/jbupt.200601.128.yangyg

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2006, Vol. 29 ›› Issue (1): 128-130.doi: 10.13190/jbupt.200601.128.yangyg

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Efficient Quantum Key Distribution Protocol

YANG Yu-guang¹，WEN Qiao-yan¹，ZHU Fu-chen²

1.School of Sciences, Beijing University of Posts and Telecommunications, Beijing 100876, China
2.State Key Laboratory of Modern Communications, Chengdu 610041, China

Received:2005-01-12 Online:2006-02-28 Published:2006-02-28
Contact: YANG Yu-guang E-mail:yangyang7357@sina.com

Abstract

Abstract:

In order to improve the key generation rate of the quantum key distribution protocols, a perfect complete orthogonal basis of the bipartite three-level system was constructed. By using this basis and swapping the entanglement between the particles, a quantum key distribution protocol was presented. Therefore, a three-level can be generalized to multi-level. Using entanglement swapping between the particles and multi-level key distribution, it can significantly improve the efficiency of the detection of eavesdropping and the key generation rate and the information flux.

Key words: quantum key distribution, entanglement swapping, orthonormal basis

CLC Number:

TN918.1

YANG Yu-guang，WEN Qiao-yan，ZHU Fu-chen. Efficient Quantum Key Distribution Protocol[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(1): 128-130.

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Efficient Quantum Key Distribution Protocol

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