A Photonic Crystal Slab Laplace Differentiator

Abstract

We introduce an implementation of a Laplace differentiator based on a photonic crystal slab that operates at transmission mode. We show that the Laplace differentiator can be implemented provided that the guided resonances near the $\Gamma$ point exhibit an isotropic band structure. Such a device may facilitate nanophotonics-based optical analog computing for image processing.

arXiv commentPrimary text 6 pages, 5 figures; Supplementary material 5 pages, 3 figures

References in corpus (3)

• Photonic-crystal slabs with a triangular lattice of triangular holes investigated using a guided-mode expansion method
• Analog Computing Using Graphene-based Metalines
• Analog computing by Brewster effect

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