Magnetic response of a resonant nanoslot antenna

We reveal experimentally and theoretically the predominant magnetic dipole character of resonant slot nanoantennas. Upon excitation with local sources, the radiation differs strongly from off-resonant apertures, both in angular radiation patterns and polarization distributions.

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Bibliographic Details
Main Authors: Curto, A. G., Kuttge, M., van Hulst, N. F.
Format: Conference Proceeding
Language:English
Subjects:
Apertures
Dipole antennas
Magnetic resonance
Optical diffraction
Perpendicular magnetic anisotropy
Perpendicular magnetic recording
Online Access:Request full text
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Description
Summary:We reveal experimentally and theoretically the predominant magnetic dipole character of resonant slot nanoantennas. Upon excitation with local sources, the radiation differs strongly from off-resonant apertures, both in angular radiation patterns and polarization distributions.
ISSN:2160-8989
2160-9004
DOI:10.1364/QELS.2012.QM4H.3