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Título: | Experimental Evidence of Stochastic Resonance in an Excitable Optical System |
Autor: | Marino, Francesco CSIC ORCID; Giudici, Massimo; Barland, Stéphane; Balle, Salvador CSIC ORCID | Palabras clave: | [PACS] Noise [PACS] Dynamical laser instabilities; noisy laser behavior |
Fecha de publicación: | 10-ene-2002 | Editor: | American Physical Society | Citación: | Physical Review Letters 88(4): 040601 (2002) | Resumen: | Experimental evidence of stochastic resonance in an excitable optical system is reported. We apply a sinusoidal forcing to the system and, for a finite external noise level, we find a frequency for which the excitable pulsing occurs periodically at the frequency imposed by the modulation. This resonant frequency matches the inverse of the average escape time of the stochastically driven system (i.e., without forcing). The same resonance is found by varying the noise level for fixed forcing frequencies. We discuss different indicators in order to describe quantitatively the degree of resonance. | Descripción: | 4 pages, 5 figures.-- PACS nrs.: 05.40.Ca, 42.60.Mi. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.88.040601 | URI: | http://hdl.handle.net/10261/15307 | DOI: | 10.1103/PhysRevLett.88.040601 | ISSN: | 0031-9007 |
Aparece en las colecciones: | (IMEDEA) Artículos |
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expevstochres.pdf | 219,01 kB | Adobe PDF | Visualizar/Abrir |
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