Bragg reflection waveguides with a matching layer

被引：40

作者：

Mizrahi, A ^{[1
]}

Schächter, L ^{[1
]}

机构：

[1] Technion Israel Inst Technol, Dept Elect Engn, IL-32000 Haifa, Israel

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 14期

关键词：

D O I：

10.1364/OPEX.12.003156

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It is demonstrated that Bragg reflection waveguides, either planar or cylindrical, can be designed to support a symmetric mode with a specified core field distribution, by adjusting the first layer width. Analytic expressions are given for this matching layer, which matches between the electromagnetic field in the core, and a Bragg mirror optimally designed for the mode. This adjustment may change significantly the characteristics of the waveguide. At the particular wavelength for which the waveguide is designed, the electromagnetic field is identical to that of a partially dielectric loaded metallic or perfect magnetic waveguide, rather than a pure metallic waveguide. Either a planar or coaxial Bragg waveguide is shown to support a mode that has a TEM field distribution in the hollow region. (C) 2004 Optical Society of America.

引用

页码：3156 / 3170

页数：15

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