Biased EPR entanglement and its application to teleportation

W. P. Bowen, P. K. Lam, T. C. Ralph

    Research output: Contribution to journalArticlepeer-review

    40 Citations (Scopus)

    Abstract

    We consider pure continuous variable entanglement with nonequal correlations between orthogonal quadratures. We introduce a simple protocol which equates these correlations and in the process transforms the entanglement onto a state with the minimum allowed number of photons. As an example we show that our protocol transforms, through unitary local operations, a single squeezed beam split on a beam splitter into the same entanglement that is produced when two squeezed beams are mixed orthogonally. We demonstrate that this technique can in principle facilitate perfect teleportation utilizing only one squeezed beam.

    Original languageEnglish
    Pages (from-to)801-813
    Number of pages13
    JournalJournal of Modern Optics
    Volume50
    Issue number5
    DOIs
    Publication statusPublished - Apr 2003

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