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Nat Nanotechnol. 2011 Apr 24;6(6):370-6. doi: 10.1038/nnano.2011.54.

Enhanced magneto-optical effects in magnetoplasmonic crystals.

Author information

  • 1A.M. Prokhorov General Physics Institute, Russian Academy of Sciences, 119991 Moscow, Russia. belotelov@physics.msu.ru


Plasmonics allows light to be localized on length scales much shorter than its wavelength, which makes it possible to integrate photonics and electronics on the nanoscale. Magneto-optical materials are appealing for applications in plasmonics because they open up the possibility of using external magnetic fields in plasmonic devices. Here, we fabricate a new magneto-optical material, a magnetoplasmonic crystal, that consists of a nanostructured noble-metal film on top of a ferromagnetic dielectric, and we demonstrate an enhanced Kerr effect with this material. Such magnetoplasmonic crystals could have applications in telecommunications, magnetic field sensing and all-optical magnetic data storage.

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