NDLI: Modeling and Simulation of GaN/AlGaN Laser and Temperature Dependent Analysis of Physical Parameters

Content Provider	IEEE Xplore Digital Library
Author	Gaikwad, S.A. Patil, D.S. Gautam, D.K.
Copyright Year	2007
Description	Author affiliation: North Maharashtra Univ., Jalgaon (Gaikwad, S.A.; Patil, D.S.; Gautam, D.K.)
Abstract	The computer aided simulation tools have been developed using static device modeling approach for the analysis and optimisation of various physical parameters of the semiconductor lasers.The optical field distribution in various layers across the device is obtained by solving the wave equation. The modal analysis of optical confinement in three layer slab waveguide structure is carried out to obtain the optimized set of structural parameters for maximum intensity at 375 nm wavelength. The basic electrical equations have been implemented in discretized form and solved numerically to obtain the electrostatic potential and quasi Fermi potential at various nodes across the finite difference mesh of the device structure. The self consistent solution of basic electrical and optical equations has been obtained by iterative solution procedure. Recombination rates which have dependency on carrier concentration and recombination coefficient have been determined using various models at individual mesh points of the device. Temperature dependent analysis of recombination coefficient, band gap, refractive index, threshold current density, near field intensity, mirror loss in cavity, effective index has been carried out to explore applicability of nitride lasers at higher temperatures.
Starting Page	43
Ending Page	44
File Size	630747
Page Count	2
File Format	PDF
ISBN	9781424414314
DOI	10.1109/NUSOD.2007.4349015
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Analytical models Gallium nitride Aluminum gallium nitride Laser modes Laser theory Temperature dependence Optical refraction Optical variables control Radiative recombination Computational modeling
Content Type	Text
Resource Type	Article

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