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Active control of nano dimers response using piezoelectric effect
Author(s): Ahmed A. Mekkawy; Tamer A. Ali; Ashraf H. Badawi
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Paper Abstract

The orbital angular momentum (OAM) of light offers a promising solution to today’s overwhelming demand of bandwidth and has known an increasing attention as a new degree of freedom in the telecom field. Here we present the design, fabrication and optical characterization of miniaturized phase-only diffractive optical elements (DOE) for OAM beams generation, multiplexing and sorting. Samples have been fabricated with high-resolution electron-beam lithography and exhibit high fabrication quality. Different DOE designs are presented for the sorting of optical vortices with different steering geometries in far-field and applications in free-space and optical fibers.

Paper Details

Date Published: 15 September 2016
PDF: 9 pages
Proc. SPIE 9927, Nanoengineering: Fabrication, Properties, Optics, and Devices XIII, 99270F (15 September 2016); doi: 10.1117/12.2237838
Show Author Affiliations
Ahmed A. Mekkawy, Zewail City of Science and Technology (Egypt)
Tamer A. Ali, Zewail City of Science and Technology (Egypt)
Cairo Univ. (Egypt)
Ashraf H. Badawi, Zewail City of Science and Technology (Egypt)


Published in SPIE Proceedings Vol. 9927:
Nanoengineering: Fabrication, Properties, Optics, and Devices XIII
Eva M. Campo; Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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