Enhanced quantum nonlinearities in a two-mode optomechanical system.

  title={Enhanced quantum nonlinearities in a two-mode optomechanical system.},
  author={Max Ludwig and Amir H. Safavi-Naeini and Oskar J. Painter and Florian Marquardt},
  journal={Physical review letters},
  volume={109 6},
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… CONTINUE READING
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