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

Amirhossein Ghazisaeidi; Eleni Diamanti; Fran\c{c}ois Roumestan; J\'er\'emie Renaudier; Luis Trigo Vidarte; Philippe Grangier

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

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arxiv 2111.12356 v1 pith:XSNMC7LZ submitted 2021-11-24 quant-ph

François Roumestan , Amirhossein Ghazisaeidi , Jérémie Renaudier , Luis Trigo Vidarte , Eleni Diamanti , Philippe Grangier This is my paper · ORCID

classification quant-ph

keywords probabilisticallyshapedanalyticalaveragecomponentscontinuouscv-qkddesigned

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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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