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Proceedings Paper

Modeling and design particularities for distributed feedback lasers with laterally-coupled ridge-waveguide surface gratings
Author(s): Antti I. Laakso; Jukka Karinen; Mihail Dumitrescu
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Paper Abstract

Unlike the conventional buried-grating distributed feedback lasers, those using surface gratings can be fabricated in a single growth and processing sweep. With the surface gratings resulting from lateral corrugations of the ridge-waveguide the epitaxial overgrowth is avoided, which simplifies the device fabrication and reduces the device cost. However, the laterally-coupled distributed feedback lasers have multiple particularities arising from the distinct grating interaction with the optical field. These particularities, especially the effects of grating geometry, including the limitations imposed by the fabrication technology, are analyzed in the paper.

Paper Details

Date Published: 21 February 2011
PDF: 10 pages
Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 79332K (21 February 2011); doi: 10.1117/12.876135
Show Author Affiliations
Antti I. Laakso, Tampere Univ. of Technology (Finland)
Jukka Karinen, Tampere Univ. of Technology (Finland)
Mihail Dumitrescu, Tampere Univ. of Technology (Finland)


Published in SPIE Proceedings Vol. 7933:
Physics and Simulation of Optoelectronic Devices XIX
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Alexandre Freundlich, Editor(s)

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