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Quantum Cryptography Security
Experimental Decoy State Quantum Key Distribution with Unconditional Security Incorporating Finite Statistics
arXiv
Authors: Jun Hasegawa, Masahito Hayashi, Tohya Hiroshima, Akihiro Tanaka, Akihisa Tomita
Year
2007
Paper ID
50217
Status
Preprint
Abstract Read
~2 min
Abstract Words
66
Citations
N/A
Abstract
We propose the improved decoy state quantum key distribution incorporating finite statistics due to the finite code length and report on its demonstration. In our experiment, four different intensities including the vacuum state for optimal pulses are used and the key generation rate of 200 bps is achieved in the 20 km telecom optical fiber transmission keeping the eavesdropper's mutual information with the final key less than 2^{-9}.
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- This paper contributes to the Quantum Cryptography & Security research area in the Quantum Articles archive.
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- We propose the improved decoy state quantum key distribution incorporating finite statistics due to the finite code length and report on its demonstration.
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