A novel finite-element method for nonreciprocal magneto-photonic crystal waveguides |
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Authors: | Kono N. Tsuji Y. |
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Affiliation: | Div. of Electron. & Inf. Eng., Hokkaido Univ., Sapporo, Japan; |
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Abstract: | A new formulation of the finite-element method to analyze nonreciprocal waveguides in magneto-photonic crystals (MPCs) is proposed. Accurate solutions of light propagations for two different directions are obtained by the asymmetrical input condition. As numerical examples, the performance of a waveguide-type optical isolator in MPCs designed by the eigenmode analyses is confirmed by using this method. Subsequently, an effective way to enhance the nonreciprocity of the optical isolator is shown. |
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