Secure key exchange over 1.9km free-space range using quantum cryptography

JG Rarity, P.M. Gorman, P.R. Tapster

Research output: Contribution to journalArticle (Academic Journal)peer-review

31 Citations (Scopus)

Abstract

Secure key exchange is demonstrated over a 1.9km free-space range using the technique of quantum cryptography. The system is designed to be robust against transmission losses > 20dB. This is a first step towards exchanging keys to a low earth orbit satellite.
Translated title of the contributionSecure key exchange over 1.9km free-space range using quantum cryptography
Original languageEnglish
Pages (from-to)512 - 514
Number of pages3
JournalElectronics Letters
Volume37 (8)
DOIs
Publication statusPublished - Apr 2001

Bibliographical note

Publisher: IEE

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