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Proceedings Paper

Effective thermal conductivity analysis of vertical-cavity top-surface-emitting lasers with semiconducting Bragg mirrors
Author(s): Marek Osinski; Wlodzimierz Nakwaski; Antonio Leal
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Paper Abstract

A new approximate analytical approach is developed and applied to investigate thermal properties of top-surface-emitting vertical- cavity diode lasers (VCSELs) mounted substrate-down. Multilayer structure of distributed-Bragg reflectors is taken into account by considering anisotropic thermal conductivity. Design conditions for minimal thermal resistance in short- and long- wavelength systems are specified for devices with various active- region diameters. Our results indicate that difficulties with obtaining the cw operation of long-wavelength VCSELs are primarily associated with intrinsic properties rather than with their thermal resistance.

Paper Details

Date Published: 2 June 1994
PDF: 12 pages
Proc. SPIE 2147, Vertical-Cavity Surface-Emitting Laser Arrays, (2 June 1994); doi: 10.1117/12.177204
Show Author Affiliations
Marek Osinski, Univ. of New Mexico (United States)
Wlodzimierz Nakwaski, Univ. of New Mexico (United States)
Antonio Leal, Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 2147:
Vertical-Cavity Surface-Emitting Laser Arrays
Jack L. Jewell, Editor(s)

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