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Considering azimuthal dependence in the numerical modeling of VCSELs

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Abstract

A method is proposed for the analysis of vertical cavity laser diodes where the cylinder symmetry has been perturbed. The full vectorial wave equation is used. The analysis is performed with the method of lines in cylindrical coordinates where the permittivity ε(r, ϕ) and the fields are expanded in Fourier series in azimuthal direction. The discretization is done only in radial direction. As an example the original cylindrical geometry of a vertical cavity laser has been deformed and the influence on the wavelength of the lowest order cavity resonances and on the optical field is shown.

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Authors and Affiliations

  1. Allgemeine und Theoretische Elektrotechnik, FernUniversität Hagen, Feithstr.140, Philipp-Reis-Gebäude, D-58084, Hagen, Germany

    O. Conradi & R. Pregla

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  1. O. Conradi
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  2. R. Pregla
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Conradi, O., Pregla, R. Considering azimuthal dependence in the numerical modeling of VCSELs. Optical and Quantum Electronics 32, 759–767 (2000). https://doi.org/10.1023/A:1007058210442

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