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
Noise-invoked resonances near a homoclinic bifurcation in the glow discharge plasma.
TL;DR: Induction of SR and CR is quantified using the absolute mean difference and normalized variance techniques, respectively and it is realized that even in the absence of a subthreshold deterministic signal, the system dynamics can be recovered and optimized using noise.
Journal ArticleDOI
Stochastic resonance in a fractional linear oscillator subject to random viscous damping and signal-modulated noise
Zhi-Qi Huang,Feng Guo +1 more
TL;DR: The stochastic resonance in a fractional linear system with random viscous damping driven by a dichotomous noise and signal-modulated noise is investigated in this article.
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Stochastic resonance : linear response and giant nonlinearity
Mark Dykman,Dmitri G. Luchinsky,Riccardo Mannella,Peter V. E. McClintock,N. D. Stein,Nigel G. Stocks +5 more
TL;DR: In this paper, the response of a bistable noise-driven system to a weak periodic force is investigated using linear response theory (LRT) and by analogue electronic experiment, both theoretically and experimentally, that a phase lagφ between the force and the response passes through a maximum whenD is tuned through the range where stochastic resonance (SR) occurs.
Journal ArticleDOI
Stochastic resonance in a linear system with random damping parameter driven by trichotomous noise
TL;DR: In this article, a second-order linear system driven by a trichotomous noise and an external periodic signal is investigated, and the exact expression for the output spectral amplification (SPA) of the system is obtained.
Journal ArticleDOI
Dynamical complexity and stochastic resonance in a bistable system with time delay
Meijuan He,Wei Xu,Zhongkui Sun +2 more
TL;DR: It has been found that for an optimal level of noise intensity, the statistical complexity measure displays a maximum and the normalized Shannon entropy exhibits a minimum, which demonstrates not only the occurrence of SR but also the severity of dynamical complexity.