Modal frequencies of vertical-cavity lasers determined by an effective-index model

Previously, an effective-index optical model was introduced for the analysis of lateral waveguiding effects in vertical-cavity surface-emitting lasers. We show that the resultant transverse equation obtained in that model is almost identical to the one typically obtained in the analysis of dielectri...

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Bibliographic Details
Published in:Applied physics letters 2000-07, Vol.77 (1), p.22-24
Main Authors: Serkland, Darwin K., Hadley, G. R., Choquette, K. D., Geib, K. M., Allerman, A. A.
Format: Article
Language:English
Subjects:
APERTURES
ENGINEERING
LASER CAVITIES
OPTICAL MODELS
OPTICAL MODES
SEMICONDUCTOR LASERS
THEORETICAL DATA
WAVEGUIDES
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Summary:Previously, an effective-index optical model was introduced for the analysis of lateral waveguiding effects in vertical-cavity surface-emitting lasers. We show that the resultant transverse equation obtained in that model is almost identical to the one typically obtained in the analysis of dielectric waveguide problems, such as a step-index optical fiber. In this letter, we extend the effective-index model to obtain predictions of the discrete frequencies of the microcavity modes. As an example, we apply the analysis to vertical-cavity lasers that contain thin-oxide apertures. The model intuitively explains our experimental data and makes quantitative predictions in good agreement with a highly accurate numerical model.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.126864