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Optical Engineering

Mode discrimination in vertical-cavity surface-emitting lasers including Bragg reflectors and limiting apertures
Author(s): M. Achtenhagen; Amos A. Hardy; Eli E. Kapon
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Paper Abstract

The effect of intracavity apertures and distributed Bragg reflectors (DBRs) on transverse-mode discrimination in vertical-cavity surface-emitting lasers is investigated theoretically. The effects of aperture shape and size as well as the stop-band width of the DBRs are examined with the goal of optimizing the mode discrimination for better lasing stability and higher single-mode power. It is found that decreasing the width of the DBRs' stop band, by means of controlling the material composition and number of layer pairs, increases significantly the optimum aperture size and hence the single-mode output power.

Paper Details

Date Published: 1 October 2005
PDF: 6 pages
Opt. Eng. 44(10) 104202 doi: 10.1117/1.2084659
Published in: Optical Engineering Volume 44, Issue 10
Show Author Affiliations
M. Achtenhagen, École Polytechnique Fédérale de Lausanne (Switzerland)
Amos A. Hardy, Tel Aviv Univ. (Israel)
Eli E. Kapon, École Polytechnique Fédérale de Lausanne (Switzerland)


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