Nonreciprocal extraordinary optical transmission through subwavelength slits in metallic film

  • Zhu H
  • Jiang C
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We demonstrate the phenomenon of nonreciprocal extraordinary optical transmission (NEOT) through metallic film with slits on the substrate of magneto-optical materials. Under uniformly magnetization, the system can show non-reciprocal transmission at near-IR frequency range. With a properly designed structure, the nonreciprocity can be as high as 57.6%. Numerical evidence shows that the nonreciprocal performance is sensitive to the incidence angle, as well as to the thickness of the substrate. © 2011 Optical Society of America.

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  • H. Zhu

  • C. Jiang

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