Quantum-limited force measurement with an optomechanical device

Abstract

We study the detection of weak coherent forces by means of an optomechanical device formed by a highly reflecting isolated mirror shined by an intense and highly monochromatic laser field. Radiation pressure excites a vibrational mode of the mirror, inducing sidebands of the incident field, which are then measured by heterodyne detection. We determine the sensitivity of such a scheme and show that the use of an entangled input state of the two sideband modes improves the detection, even in the presence of damping and noise acting on the mechanical mode.

8 pages, 4 figures

References in corpus (8)

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Cited by in corpus (8)

• Force sensing in hybrid Bose-Einstein condensate optomechanics based on parametric amplification
• Force sensing in an optomechanical system with feedback-controlled in-loop light
• Ultra-precision quantum sensing and measurement based on nonlinear hybrid optomechanical systems containing ultracold atoms or atomic Bose-Einstein condensate
• Induced transparency in optomechanically coupled resonators
• Nonstationary force sensing under dissipative mechanical quantum squeezing
• Spectrometric detection of weak forces in cavity optomechanics
• Improving the optomechanical entanglement and cooling by photothermal force
• Rotational stabilization and destabilization of an optical cavity