Effect of a photonic band gap on scattering from waveguide disorder

被引：66

作者：

Povinelli, ML

Johnson, SG

Lidorikis, E

Joannopoulos, JD

Soljacic, M

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

[2] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 18期

关键词：

D O I：

10.1063/1.1723686

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We derive a general, analytical, coupled-mode theory for disorder-induced scattering in periodic systems that shows that in the experimentally relevant limit of weak disorder, the reflection in a photonic-crystal waveguide is just as low as in a comparable index-guided waveguide. Moreover, since the photonic band gap also blocks radiative loss, the total scattering loss is reduced, and the total transmission is higher. These general results are verified by direct numerical simulations in an example system. (C) 2004 American Institute of Physics.

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页码：3639 / 3641

页数：3

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