SPECTRAL LINEWIDTH REDUCTION BY LOW SPATIAL HOLE BURNING IN 1.5-MU-M MULTI-QUANTUM-WELL LAMBDA/4-SHIFTED DFB LASERS

被引：24

作者：

UOMI, K

SASAKI, S

TSUCHIYA, T

OKAI, M

AOKI, M

CHINONE, N

机构：

[1] Central Research Laboratory, Hitachi Ltd, Tokyo, Kokubunji

来源：

ELECTRONICS LETTERS | 1990年 / 26卷 / 01期

关键词：

Quantum optics; Semiconductor lasers;

D O I：

10.1049/el:19900034

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 spectral linewidth of MQW λ/4-shifted DFB lasers has been reduced by increasing KL up to 3-4 without degradation of side-mode suppression by the spatial hole burning effect. A narrow sub-MHz (0.79 MHz) spectral linewidth is achieved for the first time in conventional 300-400μm long cavity DFB lasers. © 1990, The Institution of Electrical Engineers. All rights reserved.

引用

页码：52 / 53

页数：2

共 9 条

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