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Quantum Key Distribution Network Based on Differential Phase Shift |
| WANG Wan-Ying1,2;WANG Chuan1,2;WEN Kai1,2;LONG Gui-Lu1,2,3 |
| 1Department of Physics, Tsinghua University, Beijing 1000842Key Laboratory of Atomic and Molecular Nanosciences, Tsinghua University, Beijing 1000843Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing 100084 |
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| Cite this article: |
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WANG Wan-Ying, WANG Chuan, WEN Kai et al 2007 Chin. Phys. Lett. 24 1463-1466 |
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Abstract Using a series of quantum correlated photon pairs, we propose a theoretical scheme for any-to-any multi-user quantum key distribution network based on differential phase shift. The differential phase shift and the different detection time slots ensure the security of our scheme against eavesdropping. We discuss the security under the intercept--resend attack and the source
replacement attack.
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| Keywords:
03.67.Dd
03.67.Hk
03.65.Ud
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Received: 27 January 2007
Published: 17 May 2007
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| PACS: |
03.67.Dd
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(Quantum cryptography and communication security)
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03.67.Hk
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(Quantum communication)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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