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High-Rate Continuous Variable Quantum Key Distribution Based on Probabilistically Shaped 64 and 256-QAM

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Abstract

We designed a CV-QKD system with off-the-shelf components and established the feasibility of distributing 67.6 and 66.8 Mb/s secret key rates on average over a 9.5 km SMF link, using respectively probabilistically shaped 64 and 256 QAM, and relying on a novel analytical security proof.
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Dates and versions

hal-03454455 , version 1 (29-11-2021)

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François Roumestan, Amirhossein Ghazisaeidi, Jeremie Renaudier, Luis Trigo Vidarte, Eleni Diamanti, et al.. High-Rate Continuous Variable Quantum Key Distribution Based on Probabilistically Shaped 64 and 256-QAM. 2021 European Conference on Optical Communication (ECOC), Sep 2021, Bordeaux, France. pp.1-4, ⟨10.1109/ECOC52684.2021.9606013⟩. ⟨hal-03454455⟩
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