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Dynamical back-action at 5.5 GHz in a corrugated optomechanical beam

AuthorsNavarro-Urrios, D. ; Gomis-Bresco, J. ; Capuj, N.; Alzina, Francesc ; Sotomayor Torres, C. M.
Issue Date2014
PublisherAmerican Institute of Physics
CitationAIP Advances 4(12): 124601 (2014)
AbstractWe report on the optomechanical properties of a breathing mechanical mode oscillating at 5.5 GHz in a 1D corrugated Si nanobeam. This mode has an experimental single-particle optomechanical coupling rate of |g o, OM | = 1.8 MHz (|g o, OM |/2π = 0.3 MHz) and shows strong dynamical back-action effects at room temperature. The geometrical flexibility of the unit-cell would lend itself to further engineering of the cavity region to localize the mode within the full phononic band-gap present at 4 GHz while keeping high g o, OM values. This would lead to longer lifetimes at cryogenic temperatures, due to the suppression of acoustic leakage.
DescriptionUnder the terms of the Creative Commons Attribution (CC BY) license to their work.-- et al.
Publisher version (URL)http://dx.doi.org/10.1063/1.4902171
Identifiersdoi: 10.1063/1.4902171
issn: 2158-3226
Appears in Collections:(CIN2) Artículos
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