Polarization rotator based on silicon wire waveguides

被引：98
|
作者：
Fukuda, Hiroshi [1 ]
Yamada, Koji [1 ]
Tsuchizawa, Tai [1 ]
Watanabe, Toshifumi [1 ]
Shinojima, Hiroyuki [1 ]
Itabashi, Sei-ichi [1 ]
机构：
[1] Nippon Telegraph & Tel Corp, Microsyst Integrat Labs, Atsugi, Kanagawa, Japan
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 04期
关键词：
D O I：
10.1364/OE.16.002628
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We describe a polarization rotator based on an off-axis double-core structure consisting of a silicon wire waveguide and a silicon-oxinitride waveguide. The rotator can be made by planar fabrication technology and do not require complex processes, such as three-dimensional structure formation. A rotator with 35-mu m long provides the polarization rotation angle of 72 degrees and the polarization extinction ratio of 11 dB with the excess loss of about 1 dB. Our polarization rotator represents a significant step towards accomplishing an optical circuit with polarization diversity based on silicon wire waveguides. (C) 2008 Optical Society of America.
引用
收藏
页码：2628 / 2635
页数：8
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