Long distance free space quantum cryptography

C Kurtsiefer, P Zarda, M Halder, PM Gorman, PR Tapster, JG Rarity, [No Value] Weinfurter

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

35 Citations (Scopus)


Quantum cryptography bases the security of key exchange on the laws of quantum physics and will become the first application of quantum information methods. Here we present the design of novel hardware components which enabled the demonstration of secure key exchange over a 23.4 km free-space link.
Translated title of the contributionLong distance free space quantum cryptography
Original languageEnglish
Title of host publicationConference on Quantum Optics in Computing and Communications, SPIE 4917, Shanghai, China
PublisherSociety of Photo-Optical Instrumentation Engineers (SPIE)
Pages25 - 31
Number of pages7
ISBN (Print)0819447064
Publication statusPublished - 16 Oct 2002

Bibliographical note

Other: SPIE 4917

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