Photonic crystal waveguides: Out-of-plane losses and adiabatic modal conversion

被引：126
|
作者：
Palamaru, M [1 ]
Lalanne, P [1 ]
机构：
[1] CNRS, Inst Opt, Lab Charles Fabry, F-91403 Orsay, France
来源：
APPLIED PHYSICS LETTERS | 2001年 / 78卷 / 11期
关键词：
D O I：
10.1063/1.1354666
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An accurate model for the out-of-plane radiation losses occurring when a guided wave propagating in a conventional waveguide impinges on a photonic crystal waveguide is presented. The model makes clear that the losses originate from insertion losses resulting from a mode mismatch. A generic taper structure realizing an adiabatic modal conversion is proposed and validated through numerical computations for cavities with large Q's and large peak transmission. (C) 2001 American Institute of Physics.
引用
收藏
页码：1466 / 1468
页数：3
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