High confinement in silicon slot waveguides with sharp bends

被引：96
|
作者：
Anderson, P. Andrew [1 ]
Schmidt, Bradley S. [1 ]
Lipson, Michal [1 ]
机构：
[1] Cornell Univ, Sch Elect & Comp Engn, Ithaca, NY 14853 USA
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 20期
关键词：
D O I：
10.1364/OE.14.009197
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Slot waveguides allow for high optical confinement in a planar optical waveguide. Here we show a method for maintaining this high degree of confinement in slot waveguides with sharp bends. This high confinement can be achieved by using an asymmetric slot-based structure, where the mode in the bend remains localized in the slot region. We show that the relative power inside the slot can be as high as 28% for a 1 mu m radius bend in an air-clad silicon waveguide. (c) 2006 Optical Society of America.
引用
收藏
页码：9197 / 9202
页数：6
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