Laser with feedback: an optical implementation of competing instabilities, Shil’nikov chaos and transient fluctuations enhancement

Year: 1988

Authors: Arecchi F.T., Gadomski W., Lapucci A., Meucci R., Mancini H., Roversi J.A.

Autors Affiliation: Istituto Nazionale di Ottica, Largo e. Fermi 6, 50125 Firenze, Italy;
Department of Physics, University of Firenze, Firenze, Italy;
University of Warsaw, Warsaw, Poland;
Centro de Investigaciones en Laseres y Aplicaciones, Buenos Aires, Argentina;
Universidade Estadual de Campinas, Campinas, S.P., Brasil

Abstract: A CO2 laser with feedback shows different dynamic regimes depending on the dominant role of one or two of three coexisting unstable stationary points. These regimes have been characterized by statistical distributions of return times to a Poincaé section at constant intesity. In particulra, in teh regime of Shil’nikov chaos the iterarion maps of return times display a statistical spread owing to a transient fluctuation enhancement phenomenon peculiar to macroscopicsystems, which is absent in low-dimensional chaotic dynamics.

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B: OPTICAL PHYSICS

Volume: 5 (5)      Pages from: 1153  to: 1159

KeyWords: chaos
DOI: 10.1364/JOSAB.5.001153

Citations: 41
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