CST – Computer Simulation Technology

Broadband scattering by tapered nanoantennas

Title:
Broadband scattering by tapered nanoantennas
Author(s):
Isabelle Staude, Ivan S. Maksymov, Manuel Decker, Andrey E. Miroshnichenko, Dragomir N. Neshev, Chennupati Jagadish, Yuri S. Kivshar
Source:
Rapid Research Letter
Vol./Issue/Date:
Volume: 6, Issue: 12, December 2012
Year:
2012
Page(s):
466–468
Keywords:
nanoantennas, nanoplasmonics, nanophotonics, light scattering
Abstract:
We realize a new design of tapered Yagi–Uda nanoantennas and experimentally study their far-field light scattering. We show that in comparison with untapered structures the tapered nanoantennas exhibit broadband resonances featuring a distinct line shape. Our observations are supported by numerical calculations, which further reveal the tapered nanoantenna’s wavelength-dependent optical near-field confinement.
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