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Proceedings Paper

Plasmonic rack-and-pinion gear with chiral metasurface
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Paper Abstract

The effect of circularly polarized beaming excited by traveling surface plasmons, via chiral metasurface is experimentally studied. Here we show that the propagation direction of the plasmonic wave, evanescently excited on the thin gold film affects the handedness of the scattered beam polarization. Nanostructured metasurface leads to excitation of localized plasmonic modes whose relative spatial orientation induces overall spin-orbit interaction. This effect is analogical to the rack-and-pinion gear: the rotational motion into the linear motion converter. From the practical point of view, the observed effect can be utilized in integrated optical circuits for communication systems, cyber security and sensing.

Paper Details

Date Published: 18 April 2016
PDF: 6 pages
Proc. SPIE 9883, Metamaterials X, 98830H (18 April 2016); doi: 10.1117/12.2227908
Show Author Affiliations
Yuri Gorodetski, Ariel Univ. (Israel)
Alina Karabchevsky, Ben-Gurion Univ. of the Negev (Israel)

Published in SPIE Proceedings Vol. 9883:
Metamaterials X
Allan D. Boardman; Nigel P. Johnson; Kevin F. MacDonald; Ekmel Özbay, Editor(s)

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