Plasmonic electro-optic modulator design using a resonant metal grating

被引：30
|
作者：
Wu, Zhi [1 ]
Nelson, Robert L. [2 ]
Haus, Joseph W. [1 ]
Zhan, Qiwen [1 ]
机构：
[1] Univ Dayton, Opt Elect Grad Program, Dayton, OH 45469 USA
[2] Air Force Res Lab, Wright Patterson AFB, OH 45433 USA
来源：
OPTICS LETTERS | 2008年 / 33卷 / 06期
关键词：
D O I：
10.1364/OL.33.000551
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A plasmonic electro-optic modulator design using an evanescently coupled resonant metal grating is numerically studied in this Letter. Owing to excitation and propagation of long-range surface plasmons between the metal grating nanowires, a deep and narrow reflection dip can be obtained. Improved modulation performance is achieved through decreased damping from large dielectric gaps between the grating nanowires. An optimized electro-optic modulator design with lower insertion loss and low operating voltage is presented. (C) 2008 Optical Society of America.
引用
收藏
页码：551 / 553
页数：3
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