NDLI: A model tool for single polarization VCSEL design

Content Provider	IEEE Xplore Digital Library
Author	Debernardi, P. Unold, H.J. Maehnss, J. Michalzik, R. Bava, G.P. Ebelin, K.J.
Copyright Year	2003
Description	Author affiliation: IEIIT-CNR, Torino, Italy (Debernardi, P.)
Abstract	Polarization control in vertical-cavity surface-emitting lasers (VCSELs) has attracted a lot of interest and different techniques have been proposed to achieve it. Among them, one of the most attractive relies on slight modifications of existing and well behaving devices, i.e. by introducing a non-circular transverse layer section somewhere in the device. Even though experimental verifications. of this principle have already been carried out, a theoretical framework to better understand and possibly optimize such devices is still missing. This mainly originates from the need of a fully vectorial and three-dimensional approach. In this paper we will undertake a joint experimental and theoretical effort: first we give experimental evidence of polarization control by applying elliptical surface etching. Then, after having validated the vectorial electromagnetic model by comparing numerical and experimental results, we are able to better explain the polarization selection mechanisms and consequently to provide suggestions for optimized structures.
Sponsorship	Ministr. Infrastructure & State Committee for Sci. Res
Starting Page	224
Ending Page	230
File Size	477635
Page Count	7
File Format	PDF
ISBN	0780378164
DOI	10.1109/ICTON.2003.1264621
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-29
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vertical cavity surface emitting lasers Etching Surface emitting lasers Electromagnetic wave polarization Oxidation Epitaxial growth Laser modes Semiconductor lasers Mirrors Anisotropic magnetoresistance
Content Type	Text
Resource Type	Article

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