Quantum key distribution over<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>25</mml:mn><mml:mspace width="0.3em"/><mml:mi>km</mml:mi></mml:mrow></mml:math>with an all-fiber continuous-variable system

Lodewyck, Jérôme; R. Bloch, Matthieu; García−Patrón, Raúl; Fossier, Simon; Karpov, Evgueni; Diamanti, Eleni; Debuisschert, Thierry; J. Cerf, Nicolas; Tualle-Brouri, Rosa; McLaughlin, Stephen; Grangier, Philippe

doi:10.1103/physreva.76.042305

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Quantum key distribution over25kmwith an all-fiber continuous-variable system

Published in Physical Review A • Oct 3, 2007

Authors:

Jérôme Lodewyck

Matthieu R. Bloch

Raúl García−Patrón

Abstract

We report on the implementation of a reverse-reconciliated coherent-state continuous-variable quantum key distribution system, with which we generated secret keys at a rate of more than $2\phantom{\rule{0.3em}{0ex}}\mathrm{kb}∕\mathrm{s}$ over $25\phantom{\rule{0.3em}{0ex}}\mathrm{km}$ of optical fi...

Subject

Quantum key distribution

Key (lock)

Physics

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