Magneto-Optic Anisotropy Effect on Photonic Band Structure.

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  • Nishizawa Hideki
    Department of Physics, Faculty of Science, Chiba University, Yayoi, Inage, Chiba 263
  • Nakayama Takashi
    Department of Physics, Faculty of Science, Chiba University, Yayoi, Inage, Chiba 263

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  • Magneto-Optic Anisotropy Effect on Phot

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Abstract

Magneto-optic effect on the photonic band structure is investigated by the numerical calculation. When the magneto-optic anisotropy is applied to photonic crystals, the energetically-degenerate electromagnetic waves propagating along the anisotropy direction show the Faraday effect, as in an uniform dielectric system. On the other hand, the electromagnetic waves, which are not degenerate and are propagating perpendicular to the anisotropy direction, also show the magneto-optic effect similar to the Faraday one and its magnitude is propotional to the square of the magneto-optic anisotropy, being quite different from the case in uniform dielectrics. The origin of such effect is shown being intrinsic to the photonic band structures, by using the group and perturbation theories.

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