Simulation of facet heating in high-power red lasers

Garcia Tijero, Jose Manuel and Odriozola Franco, Helena and Esquivias Moscardo, Ignacio and Martín Minguez, Alfredo and Borruel Navarro, Luis and Gómez Iglesias, A. and Reufer, M. and Bou Sanayeh, M. and Brick, P. and Linder, N. and Ziegler, M. and Tomm, J. W. (2010). Simulation of facet heating in high-power red lasers. In: "Physics and simulation of optoelectronic devices XVIII", 25/01/2010 - 28/01/2010, San Francisco, USA. ISBN 9780819479938.


Title: Simulation of facet heating in high-power red lasers
  • Garcia Tijero, Jose Manuel
  • Odriozola Franco, Helena
  • Esquivias Moscardo, Ignacio
  • Martín Minguez, Alfredo
  • Borruel Navarro, Luis
  • Gómez Iglesias, A.
  • Reufer, M.
  • Bou Sanayeh, M.
  • Brick, P.
  • Linder, N.
  • Ziegler, M.
  • Tomm, J. W.
Item Type: Presentation at Congress or Conference (Article)
Event Title: Physics and simulation of optoelectronic devices XVIII
Event Dates: 25/01/2010 - 28/01/2010
Event Location: San Francisco, USA
Title of Book: Proceedings of SPIE, The International Society for Optical Engineering
Date: February 2010
ISBN: 9780819479938
Volume: 7597
Freetext Keywords: Laser simulation, facet heating, non absorbing mirror, red laser, high power lasers
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Fotónica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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A two-dimensional self-consistent laser model has been used for the simulation of the facet heating of red emitting AlGaInP lasers. It solves in the steady-state the complete semiconductor optoelectronic and thermal equations in the epitaxial and longitudinal directions and takes into account the population of different conduction band valleys. The model considers the possibility of two independent mechanisms contributing to the facet heating: recombination at surface traps and optical absorption at the facet. The simulation parameters have been calibrated by comparison with measurements of the temperature dependence of the threshold current and slope efficiency of broad-area lasers. Facet temperature has been measured by micro-Raman spectrometry in devices with standard and non absorbing mirrors evidencing an effective decrease of the facet heating due to the non absorbing mirrors. A good agreement between experimental values and calculations is obtained for both devices when a certain amount of surface traps and optical absorption is assumed. A simulation analysis of the effect of non absorbing mirrors in the reduction of facet heating in terms of temperature, carrier density, material gain and Shockly-Read-Hall recombination rate profiles is provided.

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Item ID: 7646
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Deposited by: Memoria Investigacion
Deposited on: 04 Jul 2011 11:15
Last Modified: 20 Apr 2016 16:43
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