Compact spot-size converters with fiber-matched antiresonant reflecting optical waveguides

被引：7
|
作者：
Galarza, M
De Mesel, K
Baets, R
Martínez, A
Aramburu, C
López-Amo, M
机构：
[1] Univ Ghent, Ctr Microelect, Dept Informat Technol, B-9000 Ghent, Belgium
[2] Univ Publ Navarra, Dept Elect & Elect, Pamplona 31006, Spain
来源：
APPLIED OPTICS | 2003年 / 42卷 / 24期
关键词：
D O I：
10.1364/AO.42.004841
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a concept for InGaAsP-InP 1.55-mum lasers integrated with spot-size converters based on modal interference between the modes of the structure formed by an active waveguide and an underlying fiber-matched antiresonant reflecting optical waveguide. Simulation results show that the spot-size converters exhibit low transformation loss, and narrowed far-field emission patterns (10degrees x 20degrees) and reduce the coupling loss to standard single-mode fibers from 8 to 2.6 dB over lengths approximately 200 mum shorter than the adiabatic concept. A tolerant design to fabrication variations is also proposed, which could be realized by standard processing techniques. (C) 2003 Optical Society of America.
引用
收藏
页码：4841 / 4846
页数：6
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