Far field beaming of Orbital Angular Momentum light states

Denis Garoli; Pierfrancesco Zilio; Francesco Tantussi; Andrea Cerea; Francesco De Angelis; Yuri Gorodetski

doi:10.1117/12.2187947

28 August 2015 Far field beaming of Orbital Angular Momentum light states

Denis Garoli, Pierfrancesco Zilio, Francesco Tantussi, Andrea Cerea, Francesco De Angelis, Yuri Gorodetski

Proceedings Volume 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII; 954704 (2015) https://doi.org/10.1117/12.2187947
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

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.

Citation Download Citation

Denis Garoli, Pierfrancesco Zilio, Francesco Tantussi, Andrea Cerea, Francesco De Angelis, and Yuri Gorodetski "Far field beaming of Orbital Angular Momentum light states", Proc. SPIE 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII, 954704 (28 August 2015); https://doi.org/10.1117/12.2187947

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