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Effect of Intensity Modulator Extinction on Practical Quantum Key Distribution System

We study how the imperfection of intensity modulator effects on the security of a practical quantum key distribution system. The extinction ratio of the realistic intensity modulator is considered in our security analysis. We show that the secret key rate increases, under the practical assumption th... Full description

Journal Title: arXiv.org Jun 28, 2012
Main Author: Jing-Zheng, Huang
Other Authors: Wang, Shuang , Hong-Wei, Li , Chen, Wei , Zheng-Fu, Han
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: DOI: 10.1140/epjd/e2012-20757-5
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recordid: proquest2086399005
title: Effect of Intensity Modulator Extinction on Practical Quantum Key Distribution System
format: Article
creator:
  • Jing-Zheng, Huang
  • Wang, Shuang
  • Hong-Wei, Li
  • Chen, Wei
  • Zheng-Fu, Han
subjects:
  • Quantum Cryptography
  • Security
  • Extinction
ispartof: arXiv.org, Jun 28, 2012
description: We study how the imperfection of intensity modulator effects on the security of a practical quantum key distribution system. The extinction ratio of the realistic intensity modulator is considered in our security analysis. We show that the secret key rate increases, under the practical assumption that the indeterminable noise introduced by the imperfect intensity modulator can not be controlled by the eavesdropper.
language: eng
source:
identifier: DOI: 10.1140/epjd/e2012-20757-5
fulltext: fulltext_linktorsrc
url: Link


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titleEffect of Intensity Modulator Extinction on Practical Quantum Key Distribution System
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identifierDOI: 10.1140/epjd/e2012-20757-5
subjectQuantum Cryptography ; Security ; Extinction
descriptionWe study how the imperfection of intensity modulator effects on the security of a practical quantum key distribution system. The extinction ratio of the realistic intensity modulator is considered in our security analysis. We show that the secret key rate increases, under the practical assumption that the indeterminable noise introduced by the imperfect intensity modulator can not be controlled by the eavesdropper.
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descriptionWe study how the imperfection of intensity modulator effects on the security of a practical quantum key distribution system. The extinction ratio of the realistic intensity modulator is considered in our security analysis. We show that the secret key rate increases, under the practical assumption that the indeterminable noise introduced by the imperfect intensity modulator can not be controlled by the eavesdropper.
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abstractWe study how the imperfection of intensity modulator effects on the security of a practical quantum key distribution system. The extinction ratio of the realistic intensity modulator is considered in our security analysis. We show that the secret key rate increases, under the practical assumption that the indeterminable noise introduced by the imperfect intensity modulator can not be controlled by the eavesdropper.
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