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In this paper, we investigate the first exploitation of the vibrational resonance (VR) effect to detect weak signals in the presence of strong background noise. By injecting a series of sinusoidal interference signals of the same amplitude but with different frequencies into a generalized correlation detector, we show that the detection probability can be(More)
The realization of a one-dimensional (1D) random laser (RL) by using artificially fabricated scatterers is reported in this letter, and the lasing characteristic has also been investigated comprehensively. The manipulation of the lasing mode in the 1D microwire (MW) RL can be achieved through micro-pits prepared by the laser-ablation technique. Well-defined(More)
We investigate the noise-enhanced information transmission with generalized Gaussian signal via the measure of mutual information, in context of suprathreshold stochastic resonance (SSR). The effects of the noise intensity and the exponent parameter of the input signal on mutual information are discussed. It is shown that the qualitative behavior of SSR(More)
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