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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 6 — Jun. 1, 2004
  • pp: 1192–1198

Self-pulsation in vertical-cavity surface-emitting lasers as a result of the interplay between carrier-induced antiguiding and built-in index guiding

Krassimir Panajotov, Guy Van der Sande, Hugo Thienpont, and Irina Veretennicoff  »View Author Affiliations


JOSA B, Vol. 21, Issue 6, pp. 1192-1198 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001192


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Abstract

We use an effective-index self-consistent dynamical model for vertical-cavity surface-emitting lasers (VCSELs) with cylindrical symmetry to show that self-sustained pulsations can appear in VCSELs with a small radius of the current aperture and a small built-in effective-index step. The appearance of these self-sustained pulsations is due to carrier-induced antiguiding: The waveguiding is improved during the front slope of the optical pulse as a result of the carrier depletion and is worsened on the back slope of the optical pulse because of the restoration of the carrier density.

© 2004 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

Citation
Krassimir Panajotov, Guy Van der Sande, Hugo Thienpont, and Irina Veretennicoff, "Self-pulsation in vertical-cavity surface-emitting lasers as a result of the interplay between carrier-induced antiguiding and built-in index guiding," J. Opt. Soc. Am. B 21, 1192-1198 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-6-1192

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