Coupled waveguide modes in hexagonal photonic crystals
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Authors
Brownless, J Scott
Mahmoodian, Sahand
Dossou, Kokou B
Lawrence, Felix J
Botten, Lindsay
de Sterke, C Martijn
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Optical Society of America
Abstract
We investigate the modes of coupled waveguides in a hexagonal photonic crystal. We find that for a substantial parameter range the coupled waveguide modes have dispersion relations exhibiting multiple intersections, which we explain both intuitively and using a rigorous tight-binding argument.
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Optics express
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Open Access