Supermodes in multiple coupled photonic crystal waveguides

被引：6
|
作者：
Botten, LC [1 ]
Hansen, RA
de Sterke, CM
机构：
[1] Univ Technol Sydney, CUDOS, Sydney, NSW 2007, Australia
[2] Univ Technol Sydney, Dept Math Sci, Sydney, NSW 2007, Australia
[3] Univ Sydney, Sch Phys, Sydney, NSW 2007, Australia
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 01期
关键词：
D O I：
10.1364/OPEX.14.000387
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We analyze the supermodes in multiple coupled photonic crystal waveguides for long-wavelengths. In the tight-binding limit we obtain analytic results that agree with fully numerical calculations. We find that when the field flips sign after a single photonic crystal period, and there is an odd number of periods between adjacent waveguides, the supermode order is reversed, compared to that in conventional coupled waveguides, generalizing earlier results obtained for two coupled waveguides. (c) 2006 Optical Society of America.
引用
收藏
页码：387 / 396
页数：10
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