Journal
NATURE COMMUNICATIONS
Volume 4, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ncomms3128
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Funding
- Deutsche Forschungsgemeinschaft
- Russian Foundation for Basic Research [12-02-33100, 12-02-31298, 13-02-01122, 11-02-00681, 13-07-12410, 13-02-91334]
- Russian Federal Targeted Program 'Scientific and Scientific-Pedagogical Personnel of the Innovative Russia'
- Alexander von Humboldt foundation
- Russian Presidential Fellowship [SP-124.2012.5]
- Advanced Optics and Photonics Vetenskapsradet Linne center
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Magnetic field control of light is among the most intriguing methods for modulation of light intensity and polarization on sub-nanosecond timescales. The implementation in nanostructured hybrid materials provides a remarkable increase of magneto-optical effects. However, so far only the enhancement of already known effects has been demonstrated in such materials. Here we postulate a novel magneto-optical phenomenon that originates solely from suitably designed nanostructured metal-dielectric material, the so-called magneto-plasmonic crystal. In this material, an incident light excites coupled plasmonic oscillations and a waveguide mode. An in-plane magnetic field allows excitation of an orthogonally polarized waveguide mode that modifies optical spectrum of the magneto-plasmonic crystal and increases its transparency. The experimentally achieved light intensity modulation reaches 24%. As the effect can potentially exceed 100%, it may have great importance for applied nanophotonics. Further, the effect allows manipulating and exciting waveguide modes by a magnetic field and light of proper polarization.
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