Experimental demonstration of passive decoy state quantum key distribution

Experimental demonstration of passive decoy state quantum key distribution

Passive decoy state quantum key distribution（PDS-QKD） has advantages in high-speed scenarios.We propose a modified model to simulate the PDS-QKD with a weak coherent light source based on Curty＇s theory [Opt.Lett.34 3238（2009）].The modified model can provide better performance in a practical PDS-QKD...

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Veröffentlicht in:Chinese physics B 2012-10, Vol.21 (10), p.97-100
1. Verfasser: 张阳 王双 银振强 陈巍 梁文烨 李宏伟 郭光灿 韩正甫
Format: Artikel
Sprache:eng
Schlagworte:
Channels
Coherent light
Computer simulation
Decoys
High speed
Quantum cryptography
分发系统
实验演示
模型
相干光源
诱骗
量子密钥分发
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Beschreibung
Zusammenfassung:Passive decoy state quantum key distribution（PDS-QKD） has advantages in high-speed scenarios.We propose a modified model to simulate the PDS-QKD with a weak coherent light source based on Curty＇s theory [Opt.Lett.34 3238（2009）].The modified model can provide better performance in a practical PDS-QKD system.Moreover,we report an experimental demonstration of the PDS-QKD of over 22.0-dB channel loss.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/10/100307