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.
引用
收藏
页码：2638 / 2640
页数：3
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