Optimization Studies of Single-Transverse-Mode 980-nm Ridge-Waveguide Lasers

The paper presents simulation and experimental studies for the optimization of the ridge profile in ridge waveguide edge-emitting lasers emitting at 980 nm. 2D simulations have been performed, both with in-house developed software and with the commercial simulation package LASTIP, for different etch...

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Bibliographic Details
Main Authors: Laakso, A., Dumitrescu, M., Suominen, M., Pietila, P., Leinonen, P., Tuomisto, P., Reith, C., Pessa, M.
Format: Conference Proceeding
Language:English
Subjects:
980 nm
edge-emitting lasers
GaInAs/GaAs
Gallium arsenide
Geometrical optics
Guidelines
Laser modes
Optical waveguides
Packaging
Poisson equations
ridge waveguide
Software packages
Solid modeling
stable single-transverse-mode
Waveguide lasers
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Summary:The paper presents simulation and experimental studies for the optimization of the ridge profile in ridge waveguide edge-emitting lasers emitting at 980 nm. 2D simulations have been performed, both with in-house developed software and with the commercial simulation package LASTIP, for different etching depths and ridge widths. Several ridge geometries have been fabricated in order to verify experimentally the transverse modal behavior dependence on ridge geometry. The simulation and experimental results are used to derive processing guidelines for achieving stable single-transverse-mode operation in 980 nm ridge waveguide lasers.
ISSN:1545-827X
2377-0678
DOI:10.1109/SMICND.2007.4519679