Ridge waveguide laser integrated with spot-size converter in a single step epitaxial for high coupling efficiency to single-mode fibres

被引：0
|
作者：
Hou, LP [1 ]
Wang, W [1 ]
Zhu, HL [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Natl Res Ctr Optoelect Technol, Beijing 100083, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2005年 / 22卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A 1.55-mum laser diode integrated with a spot-size converter was fabricated in a single step epitaxial by using the conventional photolithography and chemical wet etching process. The device was constructed by a conventional ridge waveguide active layer and a larger passive ridge-waveguide layer. The threshold current was 40 mA together with high slope efficiency of 0.24 W/A. The beam divergence angles in the horizontal and vertical directions were as small as 12.0degrees x 15.0degrees, respectively, resulting in about 3.2-dB coupling losses with a cleaved optical fibre.
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页码：114 / 116
页数：3
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