Polarization rotation Bragg grating using Si wire waveguide with non-vertical sidewall

被引：35
|
作者：
Okayama, Hideaki [1 ]
Onawa, Yosuke
Shimura, Daisuke
Yaegashi, Hiroki
Sasaki, Hironori
机构：
[1] Oki Elect Ind Co Ltd, R&D Ctr, Warabi, Saitama 3358510, Japan
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 25期
关键词：
MULTIMODE INTERFERENCE COUPLERS; FABRICATION PROCESS; SILICON; TECHNOLOGY; COMPACT; FILTERS; DEVICES;
D O I：
10.1364/OE.22.031371
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report polarization independent Bragg grating wavelength filter using polarization rotation. A non-vertical waveguide sidewall and antisymmetric grating structure can be used to generate the polarization rotation of the fundamental modes. The diffraction efficiencies and peaks becomes the same for two orthogonal input polarizations. The concept was verified by simulation and experiment. (C)2014 Optical Society of America
引用
收藏
页码：31371 / 31378
页数：8
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