Journal ArticleDOI
Observation of stochastic resonance in a ring laser.
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TLDR
The first observation of stochastic resonance in an optical device, the bidirectional ring laser, is reported and the addition of injected noise can lead to an improved signal-to-noise ratio.Abstract:
We report the first observation of stochastic resonance in an optical device, the bidirectional ring laser. The experiment exploits a new technique to modulate periodically the asymmetry between the two counter-rotating lasing modes. The measurements verify that the addition of injected noise can lead to an improved signal-to-noise ratio (relative to that observed with no externally injected noise).read more
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Journal ArticleDOI
Stochastic resonance in an asymmetric bistable system with coloured noises and periodic rectangular signal
Xiaoyan Zhang,Wei Xu +1 more
TL;DR: In this article, the authors investigated the effect of any system parameter (such as p, q, r, τ1, τ2) on the signal-to-noise ratio under the adiabatic limit.
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Scaling Concepts in Periodically Modulated Noisy Systems
Jose M. G. Vilar,J. M. Rubi +1 more
TL;DR: In this article, scaling arguments are used to analyze the dynamics of periodically modulated noisy systems, such as the signal-to-noise ratio, upon variations of the noise level, by analyzing the symmetries and invariances of the system.
Journal ArticleDOI
The Impact of Static Disorder on Vibrational Resonance in a Ferroelectric Liquid Crystal
TL;DR: In this article, the concept of vibrational resonance was extended to a thermotropic bistable surface-stabilized ferroelectric liquid crystal cell and the impact of different origins of static disorder was investigated.
Journal ArticleDOI
Effects of colored noise on stochastic resonance in a tumor cell growth system
TL;DR: In this paper, the effects of the noise parameters (the multiplicative noise intensity D, the additive noise intensity α, the cross-correlated strength λ and the correlation time τ1, τ2 and τ3) are analyzed by numerical calculation.
Journal ArticleDOI
A parametric variant of resonant activation: two-state model approach.
TL;DR: This parametric variant of resonant activation and associated features of noise induced transition are realized in terms of a two-state model to estimate analytically several quantifiers of the escape event.