Scientific Results

Coexisting attractors and chaotic canard explosions in a slow-fast optomechanical system

Year: 2013

Authors: Marino F., Marin F.

Autors Affiliation: CNR-Consiglio Nazionale delle Ricerche, Istituto dei Sistemi Complessi, via Madonna del Piano 10, I-50019 Sesto Fiorentino, Italy; Dipartimento di Fisica e Astronomia, Università di Firenze, INFN Sezione di Firenze, and LENS, Via Sansone 1, I-50019 Sesto Fiorentino (FI), Italy

Abstract: The multiple time scale dynamics induced by radiation pressure and photothermal effects in a high-finesse optomechanical resonator is experimentally studied. At difference with two-dimensional slow-fast systems, the transition from the quasiharmonic to the relaxational regime occurs via chaotic canard explosions, where large-amplitude relaxation spikes are separated by an irregular number of subthreshold oscillations. We also show that this regime coexists with other periodic attractors, on which the trajectories evolve on a substantially faster time scale. The experimental results are reproduced and analyzed by means of a detailed physical model of our system.

Journal/Review: PHYSICAL REVIEW E

Volume: 87 (5)      Pages from: 052906  to: 052906

KeyWords: Nonlinear dynamics; optomechanics;
DOI: 10.1103/PhysRevE.87.052906

Citations: 24
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-23
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