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Published August 10, 2012 | Submitted + Published
Journal Article Open

Enhanced Quantum Nonlinearities in a Two-Mode Optomechanical System

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.

Additional Information

© 2012 American Physical Society. Received 19 February 2012; published 7 August 2012. This work was supported by the DARPA/MTO ORCHID program through a grant from the AFOSR, the DFG Emmy-Noether and an ERC starting grant, and the Institute for Quantum Information andMatter, an NSF Physics Frontiers Center with support of the Gordon and Betty Moore Foundation. M. L. thanks O. J. P. for his hospitality at Caltech.

Attached Files

Published - Ludwig2012p19330Phys_Rev_Lett.pdf

Submitted - 1202.0532v1.pdf

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