Repeaterless quantum key distribution with efficient finite-key analysis overcoming the rate-distance limit

The recently proposed Twin Field QKD protocol allows to beat the linear scaling of the key rate with the channel losses. Here, the authors extend it including a full security proof in the finite block size regime, allowing for practically-relevant secure key rates.

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Detalles Bibliográficos
Autores principales: Kento Maeda, Toshihiko Sasaki, Masato Koashi
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
Materias:
Q
Acceso en línea:https://doaj.org/article/d374a0cfbf7d4369a9d9ca52c649bd39
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