High rate, long-distance quantum key distribution over 250 km of ultra low loss fibres

Stucki, Damien; Walenta, Nino; Vannel, Fabien; Thew, Rob; Gisin, Nicolas; Zbinden, Hugo; Gray, S.; Towery, C. R.; Ten, S.

doi:10.1088/1367-2630/11/7/075003

Scientific article

English

High rate, long-distance quantum key distribution over 250 km of ultra low loss fibres

ContributorsStucki, Damien; Walenta, Nino; Vannel, Fabien; Thew, Rob

; Gisin, Nicolas; Zbinden, Hugo

; Gray, S.; Towery, C. R.; Ten, S.

Published inNew journal of physics, vol. 11, no. 075003, 9

Publication date2009

Abstract

We present a fully automated quantum key distribution prototype running at 625MHz clock rate. Taking advantage of ultra low loss (ULL) fibres and low-noise superconducting detectors, we can distribute 6000 secretbits s?1 over 100 km and 15 bits s?1 over 250 km.

Affiliation entities

Faculté des sciences / Section de physique / Groupe de physique appliquée

Citation (ISO format)

STUCKI, Damien et al. High rate, long-distance quantum key distribution over 250 km of ultra low loss fibres. In: New journal of physics, 2009, vol. 11, n° 075003, p. 9. doi: 10.1088/1367-2630/11/7/075003

Article (Accepted version)

Identifiers

PID : unige:3849
DOI : 10.1088/1367-2630/11/7/075003

Additional URL for this publicationhttp://www.iop.org/EJ/article/1367-2630/11/7/075003/njp9_7_075003.html

Journal ISSN1367-2630

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Creation16/10/2009 17:08:00

First validation16/10/2009 17:08:00

Update time14/03/2023 15:16:39

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High rate, long-distance quantum key distribution over 250 km of ultra low loss fibres

We present a fully automated quantum key distribution prototype running at 625MHz clock rate. Taking advantage of ultra low loss (ULL) fibres and low-noise superconducting detectors, we can distribute 6000 secretbits s?1 over 100 km and 15 bits s?1 over 250 km.

Technical informations