Noise-induced phase synchronization: Theoretical and experimental results

Year: 2003

Authors: Freund J.A., Barbay S., Lepri S., Zavatta A., Giacomelli G.

Autors Affiliation: Institut fur Physik,Humboldt-Universitat Berlin Invalidanst. 110, 10115, Germany;
Laboratoire de Photonique et de Nanostructures CNRS – UPR 20, Route de Nozay 91460 Marcoussis, France;
Dip. di Energetica, Via S. Marta 3, 50139 Firenze and INFM, UdR Firenze, Italy; Dip. di Sistemi e Informatica, Via S. Marta 3, 50139 Firenze, Italy;
Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze Italy

Abstract: The beneficial role fluctuations can play in the process of phase synchronization is analyzed in terms of a model with binary input and output signals. Special attention is paid to the relation between noise-induced phase synchronization and the well-known phenomenon of stochastic resonance. Analytic predictions are compared with experimental data from a vertical cavity surface emitting laser. Various measures for aperiodic stochastic resonance, frequency entrainment and stochastic phase synchronization reveal a satisfactory agreement between theory and experiment.


Volume: 3 (2)      Pages from: L195  to: L204

KeyWords: frequency entrainment; locking episodes; aperiodic stochastic resonance; dichotomic signals; VCSEL
DOI: 10.1142/S0219477503001269

Citations: 5
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