We study the influence of noise in the dynamics of a laser with optical feedback. For appropriate choices of the feedback parameters, several attractors coexist, and large enough noise induces jumps among the attractors. Based on the residence times probability density, it is shown that with increasing noise the dynamics of attractor jumping exhibits a resonant behavior, which is due to the interplay of noise and delayed feedback. It is also shown that this type of resonance is not specific to the model equations used, since it also occurs in other delay differential equations.
CitationMasoller, C. Noise-induced resonance in delayed feedback systems. "Physical review letters", 21 Gener 2002, vol. 88, núm. 3, p. 034102-1-034102-4.
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