Enhancement of the static extinction ratio by using a dual-section distributed feedback laser integrated with an electro-absorption modulator

被引：1
|
作者：
Cho, Chun-Hyung [1 ]
Kim, Jongseong [2 ]
Sung, Hyuk-Kee [3 ]
机构：
[1] Hongik Univ, Coll Sci & Technol, Dept Elect & Elect Engn, Sejong 30016, South Korea
[2] Dongguk Univ, Ilsan Hosp, Dept Neurol, Goyang 10326, South Korea
[3] Hongik Univ, Sch Elect & Elect Engn, Seoul 04066, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2016年 / 69卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
Distributed feedback laser diode; Electro-absorption modulator; Extinction ratio; LINKS; GB/S;
D O I：
10.3938/jkps.69.745
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report on the enhancement of the static extinction ratio by using a dual-section distributed feedback laser diode integrated with an electro-absorption modulator. A directly- modulated dual-section laser can provide improved modulation performance under a low bias level (i.e., below the threshold level) compared with a standard directly-modulated laser. By combining the extinction ratio from a dual-section laser with that from an electro-absorption modulator section, a total extinction ratio of 49.6. dB are successfully achieved.
引用
收藏
页码：745 / 748
页数：4
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