Coupled waveguide modes in hexagonal photonic crystals

Publication Type:
Journal Article
Optics Express, 2010, 18 (24), pp. 25346 - 25360
Issue Date:
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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. © 2010 Optical Society of America.
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