We reveal 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 pattern and polarization.
© 2012 OSA
A. G. Curto, M. Kuttge, and N. Van Hulst, "Magnetic Response of a Resonant Nanoslot Antenna," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QM4H.3.
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