One-way electromagnetic Tamm states in magnetophotonic structures

Alexander B. Khanikaev; Alexander V. Baryshev; Mitsuteru Inoue; Yuri S. Kivshar

doi:10.1063/1.3167356

One-way electromagnetic Tamm states in magnetophotonic structures

Alexander B. Khanikaev, Alexander V. Baryshev, Mitsuteru Inoue, Yuri S. Kivshar

Research output: Contribution to journal › Article › peer-review

87 Citations (Scopus)

Abstract

We study surface Tamm states in magnetophotonic structures magnetized in the Cotton-Mouton (Voigt) geometry. We demonstrate that the periodicity violation due to the structure truncation together with the violation of the time reversal symmetry due to the presence of magneto-optical materials gives rise to nonreciprocality of the surface modes. Dispersion of forward and backward modes splits and becomes magnetization dependent. This results in the magnetization-induced transitions between bulk and surface modes and unidirectional propagation of surface waves.

Original language	English
Article number	011101
Journal	Applied Physics Letters
Volume	95
Issue number	1
DOIs	https://doi.org/10.1063/1.3167356
Publication status	Published - 2009

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abstract = "We study surface Tamm states in magnetophotonic structures magnetized in the Cotton-Mouton (Voigt) geometry. We demonstrate that the periodicity violation due to the structure truncation together with the violation of the time reversal symmetry due to the presence of magneto-optical materials gives rise to nonreciprocality of the surface modes. Dispersion of forward and backward modes splits and becomes magnetization dependent. This results in the magnetization-induced transitions between bulk and surface modes and unidirectional propagation of surface waves.",

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AB - We study surface Tamm states in magnetophotonic structures magnetized in the Cotton-Mouton (Voigt) geometry. We demonstrate that the periodicity violation due to the structure truncation together with the violation of the time reversal symmetry due to the presence of magneto-optical materials gives rise to nonreciprocality of the surface modes. Dispersion of forward and backward modes splits and becomes magnetization dependent. This results in the magnetization-induced transitions between bulk and surface modes and unidirectional propagation of surface waves.

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One-way electromagnetic Tamm states in magnetophotonic structures

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