20 February 2017 Bloch-surface-waves-induced fano resonance in magneto-optical response of magnetophotonic crystals
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Abstract
Magnetophotonic crystals (MPCs) support Bloch surface waves (BSWs) and waveguided modes (WGMs) propagation. The influence of the BSW on the Faraday effect in the one-dimensional MPCs is studied. The technique of measuring the angle of Faraday rotation in the MPCs in attenuated total internal reflection scheme in Kretschmann configuration is discussed. The spectra of Faraday rotation demonstrate a Fano-shaped resonance near the spectral-angular position of the BSW resonance both for s- and p-polarized incident light. The presence of the feature in the spectrum of p-polarized light can be explained by the Faraday rotation effect and subsequent BSW excitation mutually enhancing each other.
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I. V. Soboleva, M. N. Romodina, K. A. Korzun, A. I. Musorin, A. A. Fedyanin, "Bloch-surface-waves-induced fano resonance in magneto-optical response of magnetophotonic crystals", Proc. SPIE 10112, Photonic and Phononic Properties of Engineered Nanostructures VII, 1011210 (20 February 2017); doi: 10.1117/12.2252852; https://doi.org/10.1117/12.2252852
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