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.

Coexisting attractors and chaotic canard explosions in a slow-fast optomechanical system / Francesco Marino;Francesco Marin. - In: PHYSICAL REVIEW E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS. - ISSN 1539-3755. - STAMPA. - 87:(2013), pp. 052906-1-052906-7. [10.1103/PhysRevE.87.052906]

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

MARINO, FRANCESCO MARIO SIMONE;MARIN, FRANCESCO
2013

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.
2013
87
052906-1
052906-7
Francesco Marino;Francesco Marin
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/866034
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