Modeling and design particularities for distributed feedback lasers with laterally-coupled ridge-waveguide surface gratings

Antti I. Laakso; Jukka Karinen; Mihail Dumitrescu

doi:10.1117/12.876135

21 February 2011 Modeling and design particularities for distributed feedback lasers with laterally-coupled ridge-waveguide surface gratings

Antti I. Laakso, Jukka Karinen, Mihail Dumitrescu

Author Affiliations +

Proceedings Volume 7933, Physics and Simulation of Optoelectronic Devices XIX; 79332K (2011) https://doi.org/10.1117/12.876135
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

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Antti I. Laakso, Jukka Karinen, and Mihail Dumitrescu "Modeling and design particularities for distributed feedback lasers with laterally-coupled ridge-waveguide surface gratings", Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 79332K (21 February 2011); https://doi.org/10.1117/12.876135

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