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  • Creation of maximally entangled photon-number states using optical fiber multiports

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    Author(s)
    Pryde, GJ
    White, AG
    Griffith University Author(s)
    Pryde, Geoff
    Year published
    2003
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    Abstract
    We theoretically demonstrate a method for producing the maximally path-entangled state (1/sqrt[2])(|N,0>+exp[iNf]|0,N>) using intensity-symmetric multiport beam splitters, single photon inputs, and either photon-counting postselection or conditional measurement. The use of postselection enables successful implementation with non-unit efficiency detectors. We also demonstrate how to make the same state more conveniently by replacing one of the single photon inputs by a coherent state.We theoretically demonstrate a method for producing the maximally path-entangled state (1/sqrt[2])(|N,0>+exp[iNf]|0,N>) using intensity-symmetric multiport beam splitters, single photon inputs, and either photon-counting postselection or conditional measurement. The use of postselection enables successful implementation with non-unit efficiency detectors. We also demonstrate how to make the same state more conveniently by replacing one of the single photon inputs by a coherent state.
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    Journal Title
    Physical Review A (Atomic, Molecular and Optical Physics)
    Volume
    68
    Issue
    5
    Publisher URI
    http://pra.aps.org
    DOI
    https://doi.org/10.1103/PhysRevA.68.052315
    Copyright Statement
    © 2003 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal link for access to the definitive, published version.
    Subject
    Mathematical sciences
    Physical sciences
    Chemical sciences
    Publication URI
    http://hdl.handle.net/10072/20950
    Collection
    • Journal articles

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