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Proceedings Paper

Spinoptical metamaterials: spin-controlled photonics based on symmetry violation
Author(s): Nir Shitrit; Igor Yulevich; Elhanan Maguid; Dror Ozeri; Dekel Veksler; Vladimir Kleiner; Erez Hasman
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Paper Abstract

Spinoptics provides a route to control light, whereby the photon helicity (spin angular momentum) degeneracy is removed due to a geometric gradient onto a metasurface. The alliance of spinoptics and metamaterials offers the dispersion engineering of a structured matter in a polarization helicity dependent manner. We show that polarization-controlled optical modes of metamaterials arise where the spatial inversion symmetry is violated. The emerged spin-split dispersion of spontaneous emission originates from the spin-orbit interaction of light, generating a selection rule based on symmetry restrictions in a spinoptical metamaterial. The inversion asymmetric metasurface is obtained via anisotropic optical antenna patterns. This type of metamaterial provides a route for spin-controlled nanophotonic applications based on the design of the metasurface symmetry properties.

Paper Details

Date Published: 26 September 2013
PDF: 6 pages
Proc. SPIE 8813, Spintronics VI, 881314 (26 September 2013); doi: 10.1117/12.2022232
Show Author Affiliations
Nir Shitrit, Technion-Israel Institute of Technology (Israel)
Igor Yulevich, Technion-Israel Institute of Technology (Israel)
Elhanan Maguid, Technion-Israel Institute of Technology (Israel)
Dror Ozeri, Technion-Israel Institute of Technology (Israel)
Dekel Veksler, Technion-Israel Institute of Technology (Israel)
Vladimir Kleiner, Technion-Israel Institute of Technology (Israel)
Erez Hasman, Technion-Israel Institute of Technology (Israel)

Published in SPIE Proceedings Vol. 8813:
Spintronics VI
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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