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Proceedings Paper

Modeling first-order distributed feedback semiconductor lasers at NIR
Author(s): Meng-Mu Shih
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Paper Abstract

This work demonstrates the modeling process of calculating coupling coefficients of first-order distributed feedback (DFB) semiconductor lasers, operating on transverse electric modes in the near-infrared (NIR) spectrum range. Optical waveguides are common structures in semiconductor lasers. The structure has dielectric layers and a metal grating layer. The interface between the metal layer and its neighboring dielectric layer has a sinusoidal corrugated geometry. Coupling coefficients are important parameters when analyzing laser performance. To calculate the coupling coefficient of a shiny-metal-grating waveguide, an electromagnetic model is constructed by truncated Floquet-Bloch formalism (TFBF). Ray optics technique is also used to calculate the coupling coefficients. These two methods have close results.

Paper Details

Date Published: 19 May 2011
PDF: 6 pages
Proc. SPIE 8039, Laser Technology for Defense and Security VII, 80391B (19 May 2011); doi: 10.1117/12.884459
Show Author Affiliations
Meng-Mu Shih, Univ. of Florida (United States)

Published in SPIE Proceedings Vol. 8039:
Laser Technology for Defense and Security VII
Mark Dubinskii; Stephen G. Post, Editor(s)

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