Theory of slow-light semiconductor optical amplifiers

被引：0

作者：

Saldutti, Marco ^{[1
,2
]}

Rasmussen, Thorsten S. ^{[2
]}

Gioannini, Mariangela ^{[1
]}

Mork, Jesper ^{[2
]}

机构：

[1] Politecn Torino, Dept Elect & Telecommun, IT-10129 Turin, Italy

[2] Tech Univ Denmark, DTU Foton, DK-2800 Lyngby, Denmark

来源：

OPTICS LETTERS | 2020年 / 45卷 / 21期

关键词：

WAVE-GUIDE;

D O I：

10.1364/OL.403446

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have developed an efficient framework for analyzing the reflection and transmission properties of semiconductor photonic crystal optical amplifiers. Specifically, we have investigated the use o f slow light to enhance the gain of short integrated amplifiers. We find that the expected enhancement in transmission is limited by distributed feedback induced by the material gain itself. Such back-scattering is further enhanced by the refractive index variation associated with the linewidth enhancement factor. The inclusion of this effect reveals that for a given material gain, devices with smaller linewidth enhancement factor may offer better performance. (C) 2020 Optical Society of America

引用

页码：6022 / 6025

页数：4

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