Theory of ground state cooling of a mechanical oscillator using dynamical back-action

Details Theory of ground state cooling of a mechanical oscillator using dynamical back-action Theory of ground state cooling of a mechanical oscillator using dynamical back-action

2007-02-05

arxiv.org/abs/cond-mat/0702113v1

Phys. Rev. Lett. 99, 093901 (2007).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.99.093901

A quantum theory of cooling of a mechanical oscillator by radiation pressure-induced dynamical back-action is developed, which is analogous to sideband cooling of trapped ions. We find that final occupancies well below unity can be attained when the mechanical oscillation frequency is larger than the cavity linewidth. It is shown that the final average occupancy can be retrieved directly from the optical output spectrum.

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