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arXiv · 0810.0373

Optomechanical Stochastic Resonance in a Macroscopic Torsion Oscillator

F. Mueller·S. Heugel·L. J. Wang
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Abstract

Linear mechanical oscillators have been applied to measure very small forces, mostly with the help of noise suppression. In contrast, adding noise to non-linear oscillators can improve the measurement conditions. Here, this effect of stochastic resonance is demonstrated in a macroscopic torsion oscillator, for an optomechanical non-linear potential. The signal output is enhanced for a sub-threshold electronic signal. This non-linear oscillator serves as a model system for the enhancement of signal-to-noise ratio in high precision optomechanical experiments.

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F. Mueller, S. Heugel, L. J. Wang. 2008-10-02. Optomechanical Stochastic Resonance in a Macroscopic Torsion Oscillator. https://doi.org/10.1103/physreva.79.031804

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