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Opt Express. 2010 Nov 22;18(24):25346-60. doi: 10.1364/OE.18.025346.

Coupled waveguide modes in hexagonal photonic crystals.

Optics express

J Scott Brownless, Sahand Mahmoodian, Kokou B Dossou, Felix J Lawrence, Lindsay C Botten, C Martijn de Sterke

Affiliations

  1. IPOS and CUDOS, School of Physics, University of Sydney, 2006, Australia. [email protected]

PMID: 21164883 DOI: 10.1364/OE.18.025346

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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