Polarization-independent optical directional coupler based on slot waveguides

被引：84
|
作者：
Fujisawa, T [1 ]
Koshiba, M [1 ]
机构：
[1] Hokkaido Univ, Div Media & Network Technol, Sapporo, Hokkaido 0600814, Japan
来源：
OPTICS LETTERS | 2006年 / 31卷 / 01期
关键词：
D O I：
10.1364/OL.31.000056
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A polarization-independent optical directional coupler based on slot waveguides is proposed and analyzed by using rigorous full-vectorial analysis methods based on a finite-element scheme. Properly choosing materials and structural parameters makes the coupling length for quasi-TE modes become equal to that for quasi-TM modes. Tolerances to operating wavelength and structural parameters are also discussed. The proposed coupler can be used for highly integrated optical circuits without polarization diversity schemes. (c) 2006 Optical Society of America.
引用
收藏
页码：56 / 58
页数：3
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