Experimental control of coherence of a chaotic oscillator

Year: 2004

Authors: Boccaletti S., Allaria E., Meucci R.

Autors Affiliation: Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy; Department of Physics, University of Florence, Firenze, Italy

Abstract: We give experimental evidence that a delayed feedback control strategy is able to efficiently enhance the coherence of an experimental self-sustained chaotic oscillator obtained from a CO(2) laser with electro-optical feedback. We demonstrate that coherence control is achieved for various choices of the delay time in the feedback control, including values that would lead to the stabilization of an unstable periodic orbit embedded within the chaotic attractor. The relationship between the two processes is discussed.

Journal/Review: PHYSICAL REVIEW E

Volume: 69 (6)      Pages from: 066211  to: 066211

KeyWords: UNSTABLE PERIODIC-ORBITS; PHASE SYNCHRONIZATION; SYSTEMS; FEEDBACK; DYNAMICS
DOI: 10.1103/PhysRevE.69.066211

ImpactFactor: 2.352
Citations: 12
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