High-bit-rate continuous-variable quantum key distribution



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Jouguet, Paul and Elkouss Coronas, David (2014) High-bit-rate continuous-variable quantum key distribution. Physical Review A, 90 (4). ISSN 1050-2947

[thumbnail of PhysRevA.90.042329.pdf]

Official URL: http://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.042329


Here, we demonstrate that a practical Continuous Variables Quantum Key Distribution (CVQKD) protocol relying on the Gaussian modulation of coherent states features secret key rates that cannot be achieved with standard qubit Discrete Variables (DV) QKD protocols. Notably, we report for the first time a practical postprocessing that allows to extract more than one bit of secret key per channel use.

Item Type:Article
Subjects:Sciences > Mathematics
ID Code:29047
Deposited On:05 Mar 2015 09:41
Last Modified:26 Mar 2015 09:47

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