Efficient light coupling between dielectric slot waveguide and plasmonic slot waveguide

被引：72
|
作者：
Yang, Ruoxi [1 ]
Wahsheh, Rami A. [1 ]
Lu, Zhaolin [1 ]
Abushagur, Mustafa A. G. [1 ]
机构：
[1] Rochester Inst Technol, Kate Gleason Coll Engn, Rochester, NY 14623 USA
来源：
OPTICS LETTERS | 2010年 / 35卷 / 05期
关键词：
COUPLERS; STRIP;
D O I：
10.1364/OL.35.000649
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An efficient coupler between a dielectric waveguide and a plasmonic metal-insulator-metal (MIM) waveguide is proposed, modeled, fabricated, and characterized. Based on the platform of a silicon slot waveguide, a quasi-MIM plasmonic junction is formed via e-beam lithography and lift-off process. Coupling efficiency between the silicon slot waveguide and plasmonic waveguide up to 43% is obtained after normalizing to reference waveguides at 1550 nm. This coupling scheme can be potentially used for fast optical switching and small-footprint optical modulation. (C) 2010 Optical Society of America
引用
收藏
页码：649 / 651
页数：3
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