One-way electromagnetic Tamm states in magnetophotonic structures

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

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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.

Original languageEnglish
Article number011101
JournalApplied Physics Letters
Volume95
Issue number1
DOIs
Publication statusPublished - 2009

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    Khanikaev, A. B., Baryshev, A. V., Inoue, M., & Kivshar, Y. S. (2009). One-way electromagnetic Tamm states in magnetophotonic structures. Applied Physics Letters, 95(1), [011101]. https://doi.org/10.1063/1.3167356