Demonstration of Probabilistic Constellation Shaping for Continuous Variable Quantum Key Distribution

François Roumestan; Amirhossein Ghazisaeidi; Jérémie Renaudier; Patrick Brindel; Eleni Diamanti; Philippe Grangier

doi:10.1364/OFC.2021.F4E.1

Optical Fiber Communication Conference (OFC) 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper F4E.1
•https://doi.org/10.1364/OFC.2021.F4E.1

Demonstration of Probabilistic Constellation Shaping for Continuous Variable Quantum Key Distribution

François Roumestan, Amirhossein Ghazisaeidi, Jérémie Renaudier, Patrick Brindel, Eleni Diamanti, and Philippe Grangier

Optical Fiber Communication Conference 2021

Washington, DC United States
6–11 June 2021
ISBN: 978-1-943580-86-6

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Quantum Communications (F4E)

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F. Roumestan, A. Ghazisaeidi, J. Renaudier, P. Brindel, E. Diamanti, and P. Grangier, "Demonstration of Probabilistic Constellation Shaping for Continuous Variable Quantum Key Distribution," in Optical Fiber Communication Conference (OFC) 2021, P. Dong, J. Kani, C. Xie, R. Casellas, C. Cole, and M. Li, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper F4E.1.

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Abstract

We demonstrate, for the first time to our knowledge, continuous-variable quantum key distribution using probabilistically-shaped 1024-QAM and true local oscillator, achieving 38.3Mb/s secret key rate over 9.5km, averaged over the transmission time of 100 blocks.

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