Improved refractive index formulas for the AlxGa1−xN and InyGa1−yN alloys

A detailed understanding of the nitride refractive indices is essential for the modeling and design of III–N laser structures. In this article, we report on the assessment of the refractive index data available for the nitride alloys and present formulas for evaluating the refractive indices for var...

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Bibliographic Details
Published in:Journal of applied physics 2001-01, Vol.89 (2), p.1108-1115
Main Authors: Laws, G. M., Larkins, E. C., Harrison, I., Molloy, C., Somerford, D.
Format: Article
Language:English
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Summary:A detailed understanding of the nitride refractive indices is essential for the modeling and design of III–N laser structures. In this article, we report on the assessment of the refractive index data available for the nitride alloys and present formulas for evaluating the refractive indices for variations in both composition and photon energy. For AlxGa1−xN, an expression is given which fits well to experimental data below x
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1320007