Great light absorption enhancement in a graphene photodetector integrated with a metamaterial perfect absorber

被引：149
作者：
Song, Shichao [1 ,2 ]
Chen, Qin [1 ,3 ]
Jin, Lin [1 ]
Sun, Fuhe [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Nanodevices & Applicat, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China
[2] Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China
[3] PKU HKUST Shenzen Hong Kong Inst, Peking Univ Shenzen SOC Key Lab, Shenzhen 518057, Peoples R China
来源：
NANOSCALE | 2013年 / 5卷 / 20期
基金：
中国国家自然科学基金;
关键词：
PLASMONICS;
D O I：
10.1039/c3nr03505k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel graphene photodetector with graphene embedded in a metamaterial perfect absorber (MPA) is proposed and its light absorption property is numerically investigated. Absorption above 40% in graphene is obtained, which is over 17 times that of a bare monolayer graphene. Both horizontally and vertically cascaded MPAs integrated with graphene are also investigated.
引用
收藏
页码：9615 / 9619
页数：5
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