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Coupling into slow-mode photonic crystal waveguides

Hugonin, J. P.; Lalanne, P.; White, T. P.; Krauss, T. F.


We study efficient injectors for coupling light from z-invariant ridge waveguides into slow Bloch modes of single-row defect photonic crystal waveguides. Two-dimensional vectorial computations performed with a Bloch mode theory approach predict that very high efficiencies (>90%) can be achieved for injector lengths of only a few wavelengths in length, even for small group velocities in the range of 𝑐⁄100–𝑐⁄400. This result suggests that photonic crystal devices operating with slow waves can...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Optics Letters
DOI: 10.1364/OL.32.002638


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