, Volume 86, Issue 2, pp 327-331
Date: 06 Oct 2006

Enhanced transmission and directional emission via coupled-resonator optical waveguides

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Abstract

We propose a novel photonic crystal waveguide configuration consisting of coupled-resonator optical waveguides at the termination to obtain enhanced transmission and beaming of light. We show theoretically that such a configuration can collimate the light output from a photonic crystal waveguide over a wide bandwidth range. The mechanism explained in this paper may be easily extrapolated to the photonic crystal configuration of air holes in a dielectric substrate.

PACS

42.70.Qs; 42.79.Ci