Four-photon interferometry for secure quantum key distribution

P. Hariharan, Barry C. Sanders

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)
    11 Downloads (Pure)


    We introduce a quantum key distribution scheme based on four–photon coincidence measurements. This scheme offers a much higher degree of security than current quantum key distribution methods and minimizes problems due to photon losses and dark counts.
    Original languageEnglish
    Pages (from-to)1222-1226
    Number of pages5
    JournalOptics Express
    Issue number21
    Publication statusPublished - 2002


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