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Delay-induced deterministic resonance of chaotic dynamics

Abstract : We show that time-delayed feedback can induce an optimal regularity in the pulsating dynamics of a nonlinear system without the need for an additional noise source. This deterministic delay-induced coherence resonance is reported experimentally in the chaotic dynamics of a laser diode subject to a phase-conjugate optical feedback, when varying the amount of feedback light. Qualitatively similar resonance is found theoretically in the model of a time-delayed class-A laser. The resonance is therefore not related to an interplay between time-delayed dynamics and faster undamped relaxation oscillations and is thought to be generic for a large class of delayed nonlinear systems.
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Journal articles
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Contributor : Sébastien van Luchene <>
Submitted on : Friday, February 1, 2013 - 5:27:11 PM
Last modification on : Tuesday, June 15, 2021 - 4:20:33 PM

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Andreas Karsaklian Dal Bosco, Delphine Wolfersberger, Marc Sciamanna. Delay-induced deterministic resonance of chaotic dynamics. EPL - Europhysics Letters, European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing, 2013, 101 (2), pp.24001. ⟨10.1209/0295-5075/101/24001⟩. ⟨hal-00783833⟩



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