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Polariton path to fully resonant dispersive coupling in optomechanical resonators

Abstract : Resonant photoelastic coupling opens new perspectives for strongly enhanced light-sound interaction in semiconductor optomechanical resonators. One potential problem, however, is the reduction of the cavity Q factor induced by dissipation when the resonance is approached. We show in this Rapid Communication through Raman-scattering experiments that cavity-polariton mediation in the light-matter process overcomes this limitation allowing for a strongly enhanced photon-phonon coupling without significant lifetime reduction in the strong-coupling regime. Huge optomechanical coupling factors in the petaHz/nm range are envisaged, three orders of magnitude larger than the backaction produced by the mechanical displacement of the cavity mirrors.
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https://hal.archives-ouvertes.fr/hal-01229146
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Submitted on : Monday, November 16, 2015 - 1:39:19 PM
Last modification on : Wednesday, February 17, 2021 - 3:26:07 PM

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G. Rozas, A. E. Bruchhausen, A. Fainstein, Bernard Jusserand, A. Lemaitre. Polariton path to fully resonant dispersive coupling in optomechanical resonators. Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2014, 90 (20), ⟨10.1103/PhysRevB.90.201302⟩. ⟨hal-01229146⟩

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