DIRECTIONAL COUPLER SWITCHES WITH OPTICAL GAIN

被引：38

作者：

SETTERLIND, CJ

THYLEN, L

机构：

[1] Telefonaktiebolaget L. M. Ericsson, Stockholm, Swed, Telefonaktiebolaget L. M. Ericsson, Stockholm, Swed

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1986年 / 22卷 / 05期

关键词：

SEMICONDUCTOR MATERIALS - WAVEGUIDE COMPONENTS - Couplers;

D O I：

10.1109/JQE.1986.1073013

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 design and characteristics of directional coupler switches in semiconductor materials (GaAs/GaAlAs) which exhibit optical gain by laser action are discussed. Equal gain in the bar and cross states is achieved by carrier-induced changes in the real as well as the imaginary parts of the refractive index in directional coupler structures. Conditions for equal gain and crosstalk, design tradeoffs, and saturation characteristics in terms of amplified spontaneous emission in relation to saturation power are briefly discussed.

引用

页码：595 / 602

页数：8

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