Broadband electro-optical modulator based on transparent conducting oxide

被引：48
|
作者：
Shi, Kaifeng [1 ]
Haque, Riaz R. [1 ]
Zhao, Bingyin [1 ]
Zhao, Runchen [1 ]
Lu, Zhaolin [1 ]
机构：
[1] Rochester Inst Technol, Kate Gleason Coll Engn, Rochester, NY 14623 USA
来源：
OPTICS LETTERS | 2014年 / 39卷 / 17期
基金：
美国国家科学基金会;
关键词：
ELECTROABSORPTION MODULATORS; SURFACE-PLASMON; SILICON; FILMS;
D O I：
10.1364/OL.39.004978
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a broadband electro-optical (EO) modulator based on tunable plasmonic metamaterial. Transparent conducting oxides provide an excellent active plasmonic material for optoelectronic applications. By utilizing our indium-tin-oxide-(ITO) based multilayer structure, light absorption of the active ITO layer can be electrically modulated over a large spectrum range. Based on the attenuated total reflectance configuration, bias polarity-dependent modulation up to 37% has been experimentally demonstrated. This EO modulator has advantages of simple design, easy fabrication, compact size, broadband performance, large modulation depth, as well as compatibility with existing silicon photonics platforms. (C) 2014 Optical Society of America
引用
收藏
页码：4978 / 4981
页数：4
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