CONTINUOUSLY CHIRPED DFB GRATINGS BY SPECIALLY BENT WAVE-GUIDES FOR TUNABLE LASERS

被引：18
|
作者：
HILLMER, H [1 ]
GRABMAIER, A [1 ]
ZHU, HL [1 ]
HANSMANN, S [1 ]
BURKHARD, H [1 ]
机构：
[1] CHINESE ACAD SCI,INST SEMICOND,BEIJING 100083,PEOPLES R CHINA
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 1995年 / 13卷 / 09期
关键词：
D O I：
10.1109/50.464742
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：
We have implemented and studied a new type of tunable multiple-section semiconductor distributed feedback (DFB) laser using tailored chirped DFB gratings. Arbitrarily and continuously chirped DFB gratings are defined by bent waveguides on homogeneous grating fields with ultrahigh spatial precision, The mathematical bending functions are optimized in this case to provide enlarged wavelength tuning ranges. We present the results of model calculations, the technological device realization and experimental results of the DFB laser characterization e.g. a tuning range of 5.5 mm without wavelength gaps and high side mode suppression ratio.
引用
收藏
页码：1905 / 1912
页数：8
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