Scientific Results

Excitability of periodic and chaotic attractors in semiconductor lasers with optoelectronic feedback

Year: 2010

Authors: Al-Naimee K., Marino F., Ciszak M., Abdalah S., Meucci R., Arecchi F.T.

Autors Affiliation: CNR-Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;Physics Department, College of Science, University of Baghdad, Al Jadiriah, Baghdad, Iraq;Dipartimento di Fisica, Universit`a di Firenze, INFN, Sezione di Firenze, via Sansone 1, 50019 Sesto Fiorentino (FI), Italy;High Institute of Telecommunications and Post, Al Salihiya, Baghdad, Iraq;Dipartimento di Fisica, Universit`a di Firenze, via Sansone 1, 50019 Sesto Fiorentino (FI), Italy

Abstract: The dynamics of a semiconductor laser with AC-coupled nonlinear optoelectronic feedback has been experimentally studied. A period doubling sequence of small periodic and chaotic attractors is observed, each of them displaying excitable features. This scenario is found also in a simplified physical model of the system, thus extending the concept of excitability, usually associated to fixed points, also to the case of higher-dimensional attractors.

Journal/Review: EUROPEAN PHYSICAL JOURNAL D

Volume: 58 (2)      Pages from: 187  to: 189

More Information: K.A.-N. and S.F.A. wish to acknowledge the ICTP TRIL program for financial support. M.C. acknowledges the MC-ERG within the 7th European Community Framework Programme. Work partly supported by the contract \”Dinamiche cerebrali caotiche\” of Ente Cassa di Risparmio di Firenze.
KeyWords: Mixed-mode oscillations
DOI: 10.1140/epjd/e2010-00093-8

Citations: 19
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