Cooling in the single-photon strong-coupling regime of optomechanics

Details Cooling in the single-photon strong-coupling regime of optomechanics Cooling in the single-photon strong-coupling regime of optomechanics

2012-02-15

arxiv.org/abs/1202.3263v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures

Scientific paper

In this paper we discuss how red-sideband cooling is modified in the single-photon strong-coupling regime where the radiation pressure of a single photon displaces the mechanical oscillator by more than its zero-point uncertainty. Using Fermi's Golden rule we calculate the transition rates induced by the optical drive without linearizing the optomechanical interaction. In the resolved-sideband limit we find multiple phonon cooling resonances for strong single-photon coupling which lead to non-thermal steady-states accompanied by multiple mechanical sidebands in the optical output spectrum. Our study generalizes the standard linear cooling theory.

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