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Journal Article

Optomechanical stochastic resonance in a macroscopic torsion oscillator

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/persons/resource/persons201085

Heugel,  S.
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201228

Wang,  L. J.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Mueller, F., Heugel, S., & Wang, L. J. (2009). Optomechanical stochastic resonance in a macroscopic torsion oscillator. PHYSICAL REVIEW A, 79(3): 031804. doi:10.1103/PhysRevA.79.031804.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6C0D-B
Abstract
Linear mechanical oscillators have been applied to measure very small forces, mostly with the help of noise suppression. In contrast, adding noise to nonlinear oscillators can improve the measurement conditions. Here, this effect of stochastic resonance is demonstrated in a macroscopic torsion oscillator, for an optomechanical nonlinear potential. The signal output is enhanced for a subthreshold electronic signal. This nonlinear oscillator serves as a model system for the enhancement of signal-to-noise ratio in high precision optomechanical experiments.