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Conferences > OFC > 2023 > M2I > M2I.3

Practical high-speed Gaussian coherent state continuous variable quantum key distribution with real-time parameter monitoring and post-processed key distillation

Amanda Weerasinghe, Muataz Alhussein, He Li, Adrian Wonfor, and Richard Penty

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Abstract

We demonstrate Gaussian modulated continuous variable quantum key distribution at 50MHz symbol rate. Unlike most demonstrations, we record received signals in real-time and distil keys, producing a record 3Mb/s key rate after 25km transmission.

© 2023 The Author(s)

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