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arxiv: quant-ph/9802034 · v1 · submitted 1998-02-12 · 🪐 quant-ph

Optomechanical Cooling of a Macroscopic Oscillator by Homodyne Feedback

Stefano Mancini , David Vitali , Paolo Tombesi (Dip. Matematica e Fisica , Univ. Camerino , Italy) This is my paper
classification 🪐 quant-ph
keywords feedbackhomodyneoptomechanicaloscillatorquadratureapplyingbelowcooled
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We propose a simple optomechanical model in which a mechanical oscillator quadrature could be "cooled" well below its equilibrium temperature by applying a suitable feedback to drive the orthogonal quadrature by means of the homodyne current of the radiation field used to probe its position.

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  1. True and apparent motion of optomechanical resonators, with applications to feedback cooling of gravitational wave detector test masses

    quant-ph 2024-08 unverdicted novelty 4.0

    Extends prior two-photon formalism to compute true motion and optimal cooling in multi-DOF GW detector test masses, finding sub-unity occupation numbers possible over the oscillator bandwidth for common definitions.