Stochastic resonance in vertical cavity surface emitting lasers

Year: 2000

Authors: Barbay S., Giacomelli G., Marin F.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
INFM, unità di Firenze, Firenze, Italy;
Dipartimento di Fisica, Università di Firenze, and Laboratorio Europeo di Spettroscopia Nonlineare (LENS), Largo Enrico Fermi 2, 50125 Firenze, Italy

Abstract: We report a detailed experimental investigation of stochastic resonance (SR) in the polarized emission of a pump-modulated vertical cavity surface emitting laser. We characterize SR in the time and frequency domains, with a quantitative agreement with existing theories. We further report a statistical analysis of SR in terms of residence-time probability distributions exhibiting alternative features which are fully explained here. By using an accurate choice of the indicator, we are also able to give clear evidence of bona fide resonance.

Journal/Review: PHYSICAL REVIEW E

Volume: 61 (1)      Pages from: 157  to: 166

KeyWords: Polarization Fluctuations; Semiconductor-lasers; Time Distributions; Bistable Systems; Noise; Competition; Behavior; Spectra; Vcsels
DOI: 10.1103/PhysRevE.61.157

Citations: 68
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