Coupling into slow-mode photonic crystal waveguides

被引：124

作者：

Hugonin, J. P.

Lalanne, P. ^{[1
]}

White, T. P.

Krauss, T. E.

机构：

[1] Univ Paris Sud, CNRS, Inst Opt, Lab Charles Fabry, RD 128, F-91127 Palaiseau, France

[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

来源：

OPTICS LETTERS | 2007年 / 32卷 / 18期

关键词：

D O I：

10.1364/OL.32.002638

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 be interfaced with classical waveguides without sacrificing compactness. (c) 2007 Optical Society of America.

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页码：2638 / 2640

页数：3

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