Finite-difference analysis of integrated optical waveguides without spurious mode solutions
- 28 August 1986
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 22 (18) , 963-965
- https://doi.org/10.1049/el:19860657
Abstract
An efficient finite-difference method for the analysis of integrated optical waveguides is presented. As the zero divergence relation is included in the field formulation, the related eigenvalue problem comprises no spurious, nonphysical modes. The method is verified by numerical examples for an isotropic and an anisotropic channel waveguide.Keywords
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