Parametric self pulsing in a quantum opto-mechanical system

Details Parametric self pulsing in a quantum opto-mechanical system Parametric self pulsing in a quantum opto-mechanical system

2009-06-17

arxiv.org/abs/0906.3317v1

Physics

Quantum Physics

Submitted to the special issue of Fortschritte der Physik celebrating Paolo Tombesi's 70th birthday

Scientific paper

We describe an opto-mechanical system in which the coupling between optical and mechanical degrees of freedom takes the form of a fully quantised third-order parametric interaction. Two physical realisations are proposed: a harmonically trapped atom in a standing wave and the `membrane in the middle' model. The dominant resonant interaction corresponds to a stimulated Raman process in which two phonons are converted into a single cavity photon. We show that this system can exhibit a stable limit cycle in which energy is periodically exchanged between optical and mechanical degrees of freedom. This is equivalently described as a parametric self-pulsing.

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