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Enhanced Quantum Nonlinearities in a Two-Mode Optomechanical System

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Painter,  Oskar
Painter Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Marquardt,  Florian
Marquardt Group, Associated Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Ludwig, M., Safavi-Naeini, A. H., Painter, O., & Marquardt, F. (2012). Enhanced Quantum Nonlinearities in a Two-Mode Optomechanical System. PHYSICAL REVIEW LETTERS, 109(6): 063601. doi:10.1103/PhysRevLett.109.063601.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-689D-3
Abstract
In cavity optomechanics, nanomechanical motion couples to a localized optical mode. The regime of single-photon strong coupling is reached when the optical shift induced by a single phonon becomes comparable to the cavity linewidth. We consider a setup in this regime comprising two optical modes and one mechanical mode. For mechanical frequencies nearly resonant to the optical level splitting, we find the photon-phonon and the photon-photon interactions to be significantly enhanced. In addition to dispersive phonon detection in a novel regime, this offers the prospect of optomechanical photon measurement. We study these quantum nondemolition detection processes using both analytical and numerical approaches.