Bragg reflection filter by periodic photoexcitation of a semiconductor waveguide

被引：0

作者：

Alphones, A ^{[1
]}

机构：

[1] Natl Univ Singapore, Ctr Wireless Commun, Singapore 117674, Singapore

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 1999年 / 23卷 / 02期

关键词：

plasma grating; millimeter wave; Bragg reflection; coupled mode theory;

D O I：

暂无

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：

The propagation characteristics of periodically photo-induced plasma grating on a semiconductor slab waveguide have been analyzed by the coupled-mode theory, and the Bragg reflection characteristics of millimeter waves have been investigated. By periodic optical illumination, the photoinduced plasma grating structure is modeled as a permittivity-modulated waveguide, and is systematically analyzed. The variation of phase and attenuation constants at the first Bragg resonance is numerically evaluated. The results can be used for optically controlled filters and switches in the millimeter-wave band. (C) 1999 John Wiley & Sons, Inc.

引用

页码：117 / 120

页数：4

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