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  • Squeezing quadrature rotation in the acoustic band via optomechanics

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    GuccionePUB2905.pdf (1.039Mb)
    Author(s)
    Guccione, Giovanni
    Slatyer, Harry J.
    Carvalho, Andre R. R.
    Buchler, Benjamin C.
    Lam, Ping Koy
    Griffith University Author(s)
    Ribeiro de Carvalho, Andre R.
    Year published
    2016
    Metadata
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    Abstract
    We examine the use of optomechanically generated squeezing to obtain a sensitivity enhancement for interferometers in the gravitational-wave band. The intrinsic dispersion characteristics of optomechanical squeezing around the mechanical frequency are able to produce squeezing at different quadratures over the spectrum, a feature required by gravitational-wave interferometers to beat the standard quantum limit over an extended frequency range. Under realistic assumptions we show that the amount of available squeezing and the intrinsic quadrature rotation may provide, compared to similar amounts of fixed-quadrature squeezing, ...
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    We examine the use of optomechanically generated squeezing to obtain a sensitivity enhancement for interferometers in the gravitational-wave band. The intrinsic dispersion characteristics of optomechanical squeezing around the mechanical frequency are able to produce squeezing at different quadratures over the spectrum, a feature required by gravitational-wave interferometers to beat the standard quantum limit over an extended frequency range. Under realistic assumptions we show that the amount of available squeezing and the intrinsic quadrature rotation may provide, compared to similar amounts of fixed-quadrature squeezing, a detection advantage. A significant challenge for this scheme, however, is the amount of excess noise that is generated in the unsqueezed quadrature at frequencies near the mechanical resonance.
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    Journal Title
    Journal of Physics B: Atomic, Molecular and Optical Physics
    Volume
    49
    Issue
    6
    DOI
    https://doi.org/10.1088/0953-4075/49/6/065401
    Copyright Statement
    © 2016 Institute of Physics Publishing. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher.Please refer to the journal's website for access to the definitive, published version.
    Subject
    Optical Physics not elsewhere classified
    Atomic, Molecular, Nuclear, Particle and Plasma Physics
    Optical Physics
    Theoretical and Computational Chemistry
    Publication URI
    http://hdl.handle.net/10072/342761
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    • Journal articles

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