SINGLE-MODE OPERATION OF A SURFACE GRATING DISTRIBUTED-FEEDBACK GAAS-ALGAAS LASER WITH VARIABLE-WIDTH WAVE-GUIDE

被引：45
|
作者：
ABE, H [1 ]
AYLING, SG [1 ]
MARSH, JH [1 ]
DELARUE, RM [1 ]
ROBERTS, JS [1 ]
机构：
[1] UNIV SHEFFIELD,DEPT ELECTR & ELECT ENGN,SHEFFIELD S1 3JD,S YORKSHIRE,ENGLAND
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1995年 / 7卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1109/68.384507
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：
Single-mode distributed feedback laser operation can be achieved by introducing an appropriate phase jump within the feedback grating, causing lasing to occur within the stopband, One possible approach involves variation of the waveguide stripe width in an index-guided structure, in conjunction with a grating of uniform periodicity, If the phase change is allowed to accumulate over a sufficient length of the width perturbed stripe waveguide, a lambda/4 shift can rbe realized, We report the first laser of this type using a surface grating structure with only postgrowth processing.
引用
收藏
页码：452 / 454
页数：3
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