Extraordinary magneto-optical effects and transmission through metal-dielectric plasmonic systems

We predict theoretically a significant enhancement of the magneto-optical Faraday and Kerr effects in the bilayer systems of a metallic film perforated with subwavelength hole arrays and a uniform dielectric film magnetized perpendicular to its plane. Calculations, based on a rigorous coupled-wave a...

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Bibliographic Details
Published in:Physical review letters 2007-02, Vol.98 (7), p.077401-077401, Article 077401
Main Authors: Belotelov, V I, Doskolovich, L L, Zvezdin, A K
Format: Article
Language:English
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Summary:We predict theoretically a significant enhancement of the magneto-optical Faraday and Kerr effects in the bilayer systems of a metallic film perforated with subwavelength hole arrays and a uniform dielectric film magnetized perpendicular to its plane. Calculations, based on a rigorous coupled-wave analysis of Maxwell's equations, demonstrate that in such structures the Faraday effect spectrum has several resonance peaks in the near-infrared range, some of them coinciding with transmittance peaks, providing simultaneous large Faraday rotation enhanced by an order of magnitude and high transmittance of about 35%.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.98.077401