Quantum secure direct communication network with hyperentanglement

Chang Ho Hong, Jino Heo, Jong In Lim, Hyung Jin Yang

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    We propose a quantum secure direct communication protocol with entanglement swapping and hyperentanglement. Any two users, Alice and Bob, can communicate with each other in a quantum network, even though there is no direct quantum channel between them. The trust center, Trent, who provides a quantum channel to link them by performing entanglement swapping, cannot eavesdrop on their communication. This protocol provides a high channel capacity because it uses hyperentanglement, which can be generated using a beta barium borate crystal.

    Original languageEnglish
    Article number090309
    JournalChinese Physics B
    Volume23
    Issue number9
    DOIs
    Publication statusPublished - 2014

    Keywords

    • hyperentanglement
    • quantum secure direct communication

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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