Share Email Print

Proceedings Paper

Thermal comparison of buried-heterostructure and shallow-ridge lasers
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

We present finite difference thermal modeling to predict temperature distribution, heat flux, and thermal resistance inside lasers with different waveguide geometries. We provide a quantitative experimental and theoretical comparison of the thermal behavior of shallow-ridge (SR) and buried-heterostructure (BH) lasers. We investigate the influence of a split heat source to describe p-layer Joule heating and nonradiative energy loss in the active layer and the heat-sinking from top as well as bottom when quantifying thermal impedance. From both measured values and numerical modeling we can quantify the thermal resistance for BH lasers and SR lasers, showing an improved thermal performance from 50K/W to 30K/W for otherwise equivalent BH laser designs.

Paper Details

Date Published: 23 February 2018
PDF: 6 pages
Proc. SPIE 10526, Physics and Simulation of Optoelectronic Devices XXVI, 105261E (23 February 2018); doi: 10.1117/12.2289596
Show Author Affiliations
V. Rustichelli, Technische Univ. Eindhoven (Netherlands)
F. Lemaître, Technische Univ. Eindhoven (Netherlands)
H. P. M. M. Ambrosius, Technische Univ. Eindhoven (Netherlands)
R. Brenot, III-V Lab. (France)
K. A. Williams, Technische Univ. Eindhoven (Netherlands)

Published in SPIE Proceedings Vol. 10526:
Physics and Simulation of Optoelectronic Devices XXVI
Bernd Witzigmann; Marek Osiński; Yasuhiko Arakawa, Editor(s)

© SPIE. Terms of Use
Back to Top
Sign in to read the full article
Create a free SPIE account to get access to
premium articles and original research
Forgot your username?