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

页码：2628 / 2635

页数：8

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