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Proceedings Paper

Multiplexing of adjacent vortex modes with the forked grating coupler
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Paper Abstract

For vortex fiber multiplexing to reach practical commercial viability, simple silicon photonic interfaces with vortex fiber will be required. These interfaces must support multiplexing. Toward this goal, an efficient singlefed multimode Forked Grating Coupler (FGC) for coupling two different optical vortex OAM charges to or from the TE0 and TE1 rectangular waveguide modes has been developed. A simple, apodized device implemented with e-beam lithography and a conventional dual-etch processing on SOI wafer exhibits low crosstalk and reasonable mode match. Advanced designs using this concept are expected to further improve performance.

Paper Details

Date Published: 24 August 2017
PDF: 4 pages
Proc. SPIE 10343, Metamaterials, Metadevices, and Metasystems 2017, 103431N (24 August 2017); doi: 10.1117/12.2272046
Show Author Affiliations
Christopher T. Nadovich, Clarkson Univ. (United States)
Derek J. Kosciolek, Clarkson Univ. (United States)
David T. Crouse, Clarkson Univ. (United States)
William D. Jemison, Clarkson Univ. (United States)


Published in SPIE Proceedings Vol. 10343:
Metamaterials, Metadevices, and Metasystems 2017
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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