surface plasmon polaritons

Thursday, May 18, 2017 - 4:00pm - 4:20pm
Matthias Maier (University of Minnesota, Twin Cities)
The electric conductivity of atomically thick materials such as graphene yields an effective complex permittivity with a negative real part in the infrared spectrum. This feature allows for the propagation of slowly decaying electromagnetic waves, called surface plasmons-polaritons (SPPs), that are confined near the material interface with wavelengths much shorter than the wavelength of the free-space radiation.
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