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Proceedings Paper

Experimental study of transverse mode dynamics in vertical-cavity surface-emitting lasers under current modulation
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Paper Abstract

In this work we report on an experimental investigation of the nonlinear dynamics of a 850 nm multitransverse mode vertical-cavity surface-emitting laser (VCSEL) when subject to high-frequency current modulation. Different frequencies and modulation amplitudes are applied to the VCSEL. Regular periodic dynamics - with periods equal to the modulation period or twice the modulation period - and irregular pulsating dynamics are obtained. Different dynamical behaviors are illustrated by using power time traces, radio-frequency spectra and bifurcation diagrams. Our results show that irregular pulsating dynamics in multimode VCSELs subject to large-signal current modulatton can be obtained due to the competition between different transverse modes.

Paper Details

Date Published: 19 May 2008
PDF: 12 pages
Proc. SPIE 6997, Semiconductor Lasers and Laser Dynamics III, 69970Z (19 May 2008); doi: 10.1117/12.780405
Show Author Affiliations
A. Valle, Univ. de Cantabria (Spain)
M. Arizaleta, Univ. Pública de Navarra (Spain)
K. Panajotov, Vrije Univ. Brussel (Belgium)
Institute of Solid State Physics (Bulgaria)
M. Sciamanna, Supélec, LMOPS-CNRS (France)


Published in SPIE Proceedings Vol. 6997:
Semiconductor Lasers and Laser Dynamics III
Krassimir P. Panajotov; Marc Sciamanna; Angel A. Valle; Rainer Michalzik, Editor(s)

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