ENHANCED SINGLE-PHOTON FRINGE VISIBILITY IN A 10 KM-LONG PROTOTYPE QUANTUM CRYPTOGRAPHY CHANNEL

P D TOWNSEND, J G RARITY, P R TAPSTER

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

101 Citations (Scopus)

Abstract

High visibility (V = 0.985) single photon fringe measurements in a 10 km long, optical fibre-based, time- and polarisation-division Mach-Zehnder interferometer are reported. The ability of the system to transmit key data in a quantum cryptography scheme is assessed.

Original languageEnglish
Pages (from-to)1291-1293
Number of pages3
JournalElectronics Letters
Volume29
Issue number14
Publication statusPublished - 8 Jul 1993

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