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Phys Rev Lett. 2007 Feb 16;98(7):077401. Epub 2007 Feb 14.

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

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  • 1A.M. Prokhorov General Physics Institute RAS, Moscow, 119991 Russia.


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%.

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