Compact grating couplers on silicon-on-insulator with reduced backreflection

被引：27
|
作者：
Li, Yanlu [1 ,2 ]
Vermeulen, Diedrik [1 ,2 ]
De Koninck, Yannick [1 ,2 ]
Yurtsever, Gunay [1 ,2 ]
Roelkens, Gunther [1 ,2 ]
Baets, Roel [1 ,2 ]
机构：
[1] Univ Ghent, IMEC, Photon Res Grp, INTEC Dept, B-9000 Ghent, Belgium
[2] Univ Ghent, Ctr Nano & Biophoton NB Photon, B-9000 Ghent, Belgium
来源：
OPTICS LETTERS | 2012年 / 37卷 / 21期
关键词：
WAVE-GUIDES;
D O I：
10.1364/OL.37.004356
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The backreflection in commonly used grating couplers on silicon-on-insulator (SOI) is not negligible for many applications. This reflection is dramatically reduced in our improved compact grating coupler design, which directs the reflection away from the input waveguide. Realized devices on SOI show that the reflection can be reduced down to -50 dB without an apparent transmission penalty. (C) 2012 Optical Society of America
引用
收藏
页码：4356 / 4358
页数：3
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