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Quantum Cryptography Security

Experimental Decoy Quantum Key Distribution Up To 130KM Fiber

arXiv
Authors: Zhen-Qiang Yin, Zheng-Fu Han, Wei Chen, Fang-Xing Xu, Qing-Lin Wu, Guang-Can Guo

Year

2007

Paper ID

50509

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

Decoy State Quantum Key Distribution (QKD), being capable of beating PNS attack and uncon- ditionally secure, have become an attractive one recently. But, in many QKD systems, disturbances of transmission channel make quantum bit error rate (QBER) increase which limits both security distance and key bit rate of real-life decoy state QKD systems. We demonstrate the two-intensity decoy QKD with one-way Faraday-Michelson phase modulation system, which is free of channel dis- turbance and keeps interference fringe visibility (99%) long period, near 130KM single mode optical fiber in telecom (1550 nm) wavelength. This is longest distance fiber decoy state QKD system based on two intensity protocol.

Why This Paper Matters

  • This paper contributes to the Quantum Cryptography & Security research area in the Quantum Articles archive.
  • It adds a 2007 reference point for readers tracking recent quantum research.
  • Decoy State Quantum Key Distribution (QKD), being capable of beating PNS attack and uncon- ditionally secure, have become an attractive one recently.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0704.2941 [2] arXiv https://arxiv.org/abs/0704.2941 [3] Publisher https://arxiv.org/abs/0704.2941

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