Plasmonic Resonant Optical Nanoswitch

Details Plasmonic Resonant Optical Nanoswitch Plasmonic Resonant Optical Nanoswitch

2007-10-25

arxiv.org/abs/0710.4895v2

Physics

Condensed Matter

Materials Science

16 pages, 4 figures

Scientific paper

We examine here the anomalous optical response of a nanosphere composed of two conjoined hemispheres of different materials, one of them being plasmonic. At the internal resonance, we show how the light interaction becomes dramatically dependent on the polarization of the local electric field exciting the particle. In particular, its response may be varied from the one of an ideal perfect electric to a perfect magnetic homogeneous sphere through all the possible intermediate stages, by a simple 90 deg rotation. Applications as optical switch and as a novel nanocircuit element are envisioned.

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