ANALYSIS OF PERIODICALLY SEGMENTED WAVE-GUIDE MODE EXPANDERS

被引：46

作者：

WEISSMAN, Z

HENDEL, I

机构：

[1] Faculty of Engineering, Tel-Aviv University

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1995年 / 13卷 / 10期

关键词：

D O I：

10.1109/50.469728

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Periodically segmented waveguide (PSW) mode expanders can be realized simply, using a single step lithography. In this paper such devices are studied numerically, with respect to high-Delta Silica waveguides and InP strip waveguides. The efficiency of such expanders is shown to be high, for proper length and segmentation period, and back reflection is negligible. It is shown that lithographical grids of 0.125-0.25 mu m resolution are sufficient to obtain efficient out-coupling. Basic design rules are outlined.

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页码：2053 / 2058

页数：6

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