Emission enhancement and orbital angular momentum engineering with Si-based nanopillar arrays

Nate Lawrence; Jacob Trevino; Luca Dal Negro; Luca Dal Negro

doi:10.1364/FIO.2012.FTh4D.6

Frontiers in Optics 2012/Laser Science XXVIII
OSA Technical Digest (online) (Optica Publishing Group, 2012),
paper FTh4D.6
•https://doi.org/10.1364/FIO.2012.FTh4D.6

Emission enhancement and orbital angular momentum engineering with Si-based nanopillar arrays

Nate Lawrence, Jacob Trevino, and Luca Dal Negro

Frontiers in Optics 2012

Rochester, New York United States
14–18 October 2012
ISBN: 978-1-55752-956-5

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N. Lawrence, J. Trevino, and L. Dal Negro, "Emission enhancement and orbital angular momentum engineering with Si-based nanopillar arrays," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optica Publishing Group, 2012), paper FTh4D.6.

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Abstract

We engineer aperiodic nanostructures with circularly symmetric Fourier space for omnidirectional light extraction at 1.55 µm. We demonstrate that golden angle (GA) spiral arrays support azimuthally isotropic emission patterns carrying orbital angular momentum.

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