Cavity-assisted squeezing of a mechanical oscillator

Details Cavity-assisted squeezing of a mechanical oscillator Cavity-assisted squeezing of a mechanical oscillator

2009-04-08

arxiv.org/abs/0904.1306v1

PRA 79 063819 (2009)

Physics

Quantum Physics

7.1 pages, 3 figures, submitted to PRA

Scientific paper

10.1103/PhysRevA.79.063819

We investigate the creation of squeezed states of a vibrating membrane or a movable mirror in an opto-mechanical system. An optical cavity is driven by squeezed light and couples via radiation pressure to the membrane/mirror, effectively providing a squeezed heat-bath for the mechanical oscillator. Under the conditions of laser cooling to the ground state, we find an efficient transfer of squeezing with roughly 60% of light squeezing conveyed to the membrane/mirror (on a dB scale). We determine the requirements on the carrier frequency and the bandwidth of squeezed light. Beyond the conditions of ground state cooling, we predict mechanical squashing to be observable in current systems.

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