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Conferences > FiO > 2012 > FTh4D > FTh4D.6

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

Nate Lawrence, Jacob Trevino, and Luca Dal Negro

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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.

© 2012 Optical Society of America

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