Graphene Photodetector Based on Metamaterial Perfect Absorber

被引：0
|
作者：
Song, Shichao [1 ]
Wen, Long [1 ]
Chen, Qin [1 ,2 ]
机构：
[1] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Key Lab Nanodevices & Applicat CAS, Suzhou 215123, Peoples R China
[2] Peking Univ, Shenzhen SOC Key Lab, PKU HKUST Shenzhen Hong Kong Inst, Shenzhen 518057, Peoples R China
来源：
PIERS 2014 GUANGZHOU: PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM | 2014年
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A graphene-metamaterial composite photodetectors with graphene embedded in metamaterial perfect absorbers (MPAs) is proposed and their light absorption properties are numerically investigated. Absorption above 40% in graphene monolayer is obtained due to the strongly localized electromagnetic resonance and the suppression of reflection and transmission loss in MPAs. The working frequency of the graphene photodetector can be tunable and determined by MPAs due to the ultrabroad absorption band of graphene. The novel idea of using MPAs to enhance the interaction between light and graphene could be also adopted in other graphene optoelectronic devices.
引用
收藏
页码：1277 / 1281
页数：5
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