• DocumentCode
    1479420
  • Title

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

  • Author

    Rarity, J.G. ; Gorman, P.M. ; Tapster, P.R.

  • Author_Institution
    DERA, Malvern, UK
  • Volume
    37
  • Issue
    8
  • fYear
    2001
  • fDate
    4/12/2001 12:00:00 AM
  • Firstpage
    512
  • Lastpage
    514
  • Abstract
    Secure key exchange is demonstrated over a 1.9 km free-space range using the technique of quantum cryptography. The system is designed to be robust against transmission losses >20 dB. This is a first step towards exchanging keys to a low earth orbit satellite
  • Keywords
    optical communication; optical links; optical losses; public key cryptography; quantum cryptography; 1.9 km; 20 dB; free-space range quantum cryptography; low earth orbit satellite; quantum cryptography; secure key exchange; transmission losses;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20010334
  • Filename
    919992