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    Heralded two-photon entanglement from probabilistic quantum logic operations on multiple parametric down-conversion sources

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    0303113.pdf (168.5Kb)
    Links to Files
    https://ieeexplore.ieee.org/document/1263778
    Permanent Link
    10.1109/JSTQE.2003.820916
    http://hdl.handle.net/11603/19316
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    • UMBC Joint Center for Earth Systems Technology (JCET)
    • UMBC Physics Department
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    Author/Creator
    Pittman, T.B.
    Donegan, M. M.
    Fitch, M. J.
    Jacobs, B. C.
    Franson, J.D.
    Kok, P.
    Lee, Hwang
    Dowling, J. P.
    Date
    2018-10-29
    Type of Work
    5 pages
    Text
    journal articles preprints
    Citation of Original Publication
    T. B. Pittman et al., "Heralded two-photon entanglement from probabilistic quantum logic operations on multiple parametric down-conversion sources," in IEEE Journal of Selected Topics in Quantum Electronics, vol. 9, no. 6, pp. 1478-1482, Nov.-Dec. 2003, doi: 10.1109/JSTQE.2003.820916.
    Rights
    This item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
    © 2003 IEEE
    Abstract
    An ideal controlled-NOT gate followed by projective measurements can be used to identify specific Bell states of its two input qubits. When the input qubits are each members of independent Bell states, these projective measurements can be used to swap the post-selected entanglement onto the remaining two qubits. Here we apply this strategy to produce heralded two-photon polarization entanglement using Bell states that originate from independent parametric down-conversion sources, and a particular probabilistic controlled-NOT gate that is constructed from linear optical elements. The resulting implementation is closely related to an earlier proposal by Sliwa and Banaszek, and can be intuitively understood in terms of familiar quantum information protocols. The possibility of producing a "pseudo-demand" source of two-photon entanglement by storing and releasing these heralded pairs from independent cyclical quantum memory devices is also discussed.


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    Albin O. Kuhn Library & Gallery
    University of Maryland, Baltimore County
    1000 Hilltop Circle
    Baltimore, MD 21250
    www.umbc.edu/scholarworks

    Contact information:
    Email: scholarworks-group@umbc.edu
    Phone: 410-455-3021


    If you wish to submit a copyright complaint or withdrawal request, please email mdsoar-help@umd.edu.