Directional emission from photonic crystal waveguides

We propose a novel photonic crystal waveguide design with defects at the termination to provoke directional emission. Because the resulting optical field distribution at the waveguide exit resembles a triple point source, the light can emit with low angular divergence. This phenomenon appears both i...

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Bibliographic Details
Published in:Optics express 2006-03, Vol.14 (6), p.2423-2428
Main Authors: Chen, Chii-Chang, Pertsch, T, Iliew, R, Lederer, F, Tünnermann, A
Format: Article
Language:English
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Summary:We propose a novel photonic crystal waveguide design with defects at the termination to provoke directional emission. Because the resulting optical field distribution at the waveguide exit resembles a triple point source, the light can emit with low angular divergence. This phenomenon appears both in photonic crystal structures formed by dielectric rods as well as by air holes.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.14.002423