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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 22,
  • Issue 7,
  • pp. 1741-
  • (2004)

A Novel Finite-Element Method for Nonreciprocal Magneto-Photonic Crystal Waveguides

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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.

© 2004 IEEE

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