A NEW DBR LASER STRUCTURE FOR IMPROVED SIDE-MODE SUPPRESSION

被引：1
|
作者：
HABBAB, IMI
CIMINI, LJ
机构：
[1] AT&T Bell Laboratories, Crawford Hill Labs, Holmdel, NJ
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1991年 / 3卷 / 08期
关键词：
D O I：
10.1109/68.84457
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：
In this letter, we propose and analyze a new distributed Bragg reflector (DBR) laser structure that exhibits superior side-mode suppression when compared to the well-known DBR laser. This is achieved by introducing a strong asymmetry in the reflectivity of the DBR section and results in a high (> 36 dB), and ideally constant, side-mode suppression ratio as the laser is tuned. This asymmetry in reflectivity can be achieved by nonlinearly chirping the local spatial frequency of a regular (periodic) Bragg grating.
引用
收藏
页码：700 / 702
页数：3
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