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Proceedings Paper

Study of stochastic synchronization in vertical-cavity lasers
Author(s): Sylvain Barbay; S. Lepri; Giovanni Giacomelli
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Paper Abstract

Characterization of noise-induced phase synchronization (NIPS) in a vertical-cavity surface-emitting laser (VCSEL) is reported. An optimal amount of white, gaussian noise induces an effective phase entrainment between the polarized laser emission and the periodic pump modulation. The phenomenon is characterized through suitable indicators as the average frequency of the output signal and the diffusion coefficient of the relative phase. Their values are roughly independent on different waveforms of periodic input, provided that a simple condition for the amplitudes is satisfied. The experimental results are compared with a Langevin model, Monte-Carlo simulations and analytical solutions of a Master equation for the phase dynamics.

Paper Details

Date Published: 25 May 2004
PDF: 11 pages
Proc. SPIE 5471, Noise in Complex Systems and Stochastic Dynamics II, (25 May 2004); doi: 10.1117/12.547030
Show Author Affiliations
Sylvain Barbay, Lab. de Photonique et de Nanostructures, CNRS (France)
S. Lepri, INFM (Italy)
Giovanni Giacomelli, Istituto Nazionale di Ottica Applicata (Italy)
INFM (Italy)

Published in SPIE Proceedings Vol. 5471:
Noise in Complex Systems and Stochastic Dynamics II
Zoltan Gingl, Editor(s)

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