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Conferences > CLEOPR > 2018 > Tu2J > Tu2J.2

Plasmonic Computing of Spatial Differentiation

T. Zhu, Y. Zhou, and Z. Ruan

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Abstract

We show that the interference effects associated with surface plasmon excitations at a metal-dielectric interface can perform spatial differentiation. Utilizing it, we experimentally demonstrate edge detection of images without any Fourier lens. This work points to a simple yet powerful mechanism for optical analog computing at the nanoscale.

© 2018 The Author(s)

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