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  • Mesoscopic entanglement of noninteracting qubits using collective spontaneous emission

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    Author(s)
    Kielpinski, David
    Griffith University Author(s)
    Kielpinski, David
    Year published
    2007
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    Abstract
    We describe anexperimentally straightforward method for preparing an entangled W state of at least 100 qubits. Our repeat-until-success protocol relies on detection of single photons from collective spontaneous emission in free space. Our method allows entanglement preparation in a wide range of qubit implementations that lack entangling qubit-qubit interactions. We give detailed numerical examples for entanglement of neutral atoms in optical lattices and of nitrogen-vacancy centres in diamond. The simplicity of our method should enable preparation of mesoscopic entangled states in a number of physical systems in the ...
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    We describe anexperimentally straightforward method for preparing an entangled W state of at least 100 qubits. Our repeat-until-success protocol relies on detection of single photons from collective spontaneous emission in free space. Our method allows entanglement preparation in a wide range of qubit implementations that lack entangling qubit-qubit interactions. We give detailed numerical examples for entanglement of neutral atoms in optical lattices and of nitrogen-vacancy centres in diamond. The simplicity of our method should enable preparation of mesoscopic entangled states in a number of physical systems in the near future.
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    Journal Title
    New Journal of Physics
    Volume
    9
    Issue
    NOVEMBER
    Publisher URI
    https://iopscience.iop.org/article/10.1088/1367-2630/9/11/408
    DOI
    https://doi.org/10.1088/1367-2630/9/11/408
    Copyright Statement
    © 2007 Institute of Physics Publishing. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Note
    Page numbers are not for citation purposes. Instead, this article has the unique article number of 408.
    Subject
    Physical Sciences
    Publication URI
    http://hdl.handle.net/10072/17858
    Collection
    • Journal articles

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