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Proceedings Paper

Far field beaming of Orbital Angular Momentum light states
Author(s): Denis Garoli; Pierfrancesco Zilio; Francesco Tantussi; Andrea Cerea; Francesco De Angelis; Yuri Gorodetski
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Paper Abstract

We propose a conceptually novel scheme for generation and beaming of optical angular momentum using plasmonic multilayer nanostructure We calculate the optical modes generated by the structure in near and far-field. Our proposed structure architecture, consisting of a plasmonic vortex lens is shown to convert impinging light to an almost pure and well defined orbital angular momentum state capable of propagating to the far-field.

Paper Details

Date Published: 28 August 2015
PDF: 5 pages
Proc. SPIE 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII, 954704 (28 August 2015); doi: 10.1117/12.2187947
Show Author Affiliations
Denis Garoli, Istituto Italiano di Tecnologia (Italy)
Pierfrancesco Zilio, Istituto Italiano di Tecnologia (Italy)
Francesco Tantussi, Istituto Italiano di Tecnologia (Italy)
Andrea Cerea, Istituto Italiano di Tecnologia (Italy)
Francesco De Angelis, Istituto Italiano di Tecnologia (Italy)
Yuri Gorodetski, Ariel Univ. (Israel)

Published in SPIE Proceedings Vol. 9547:
Plasmonics: Metallic Nanostructures and Their Optical Properties XIII
Allan D. Boardman; Din Ping Tsai, Editor(s)

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