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  • Fast gates for ion traps by splitting laser pulses

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    93726_1.pdf (685.5Kb)
    Author(s)
    Bentley, Christopher D. B.
    Carvalho, Andre R. R.
    Kielpinski, David
    Hope, Joseph J.
    Griffith University Author(s)
    Kielpinski, David
    Ribeiro de Carvalho, Andre R.
    Year published
    2013
    Metadata
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    Abstract
    We present a fast phase gate scheme that is experimentally achievable and has an operation time more than two orders of magnitude faster than current experimental schemes for low numbers of pulses. The gate time improves with the number of pulses following an inverse power law. Unlike implemented schemes which excite precise motional sidebands, thus limiting the gate timescale, our scheme excites multiple motional states using discrete ultra-fast pulses. We use beam-splitters to divide pulses into smaller components to overcome limitations due to the finite laser pulse repetition rate. This provides gate times faster than ...
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    We present a fast phase gate scheme that is experimentally achievable and has an operation time more than two orders of magnitude faster than current experimental schemes for low numbers of pulses. The gate time improves with the number of pulses following an inverse power law. Unlike implemented schemes which excite precise motional sidebands, thus limiting the gate timescale, our scheme excites multiple motional states using discrete ultra-fast pulses. We use beam-splitters to divide pulses into smaller components to overcome limitations due to the finite laser pulse repetition rate. This provides gate times faster than proposed theoretical schemes when we optimize a practical setup.
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    Journal Title
    New Journal of Physics
    Volume
    15
    DOI
    https://doi.org/10.1088/1367-2630/15/4/043006
    Copyright Statement
    © The Author(s) 2013. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the authors and the title of the work, journal citation and DOI.
    Subject
    Physical Sciences not elsewhere classified
    Physical Sciences
    Publication URI
    http://hdl.handle.net/10072/60265
    Collection
    • Journal articles

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