Slow-wave effect and mode-profile matching in photonic crystal microcavities

被引：74

作者：

Sauvan, C ^{[1
]}

Lalanne, P ^{[1
]}

Hugonin, JP ^{[1
]}

机构：

[1] CNRS, Inst Opt, Lab Charles Fabry, F-91403 Orsay, France

来源：

PHYSICAL REVIEW B | 2005年 / 71卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.71.165118

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Physical mechanisms involved in the light confinement in photonic crystal slab microcavities are investigated. We first present a full three-dimensional numerical study of these microcavities. Then, to gain physical insight into the confinement mechanisms, we develop a Fabry-Perot model. This model provides accurate predictions and sheds new light on the physics of light confinement. We clearly identify two mechanisms to enhance the Q factor of these microcavities. The first one consists of improving the mode-profile matching at the cavity terminations and the second one of using a slow wave in the cavity.

引用

页数：4

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