Coherent perfect absorption and transparency in a nanostructured graphene film

被引：159

作者：

Zhang, Jianfa ^{[1
]}

Guo, Chucai ^{[1
]}

Liu, Ken ^{[1
]}

Zhu, Zhihong ^{[1
,2
]}

Ye, Weimin ^{[1
]}

Yuan, Xiaodong ^{[1
]}

Qin, Shiqiao ^{[1
,2
]}

机构：

[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

[2] Natl Univ Def Technol, State Key Lab High Performance Comp, Changsha 410073, Hunan, Peoples R China

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 10期

基金：

中国国家自然科学基金;

关键词：

WAVE-GUIDES; BROAD-BAND; ABSORBER; PHOTODETECTOR; PLASMONICS;

D O I：

10.1364/OE.22.012524

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show numerically that both coherent perfect absorption and transparency can be realized in a monolayer graphene. The graphene film, doped and patterned with a periodical array of holes, can support plasmonic resonances in the Mid-infrared range. Under the illumination of two counter-propagating coherent optical beams, resonant optical absorption may be tuned continuously from 99.93% to less than 0.01% by controlling their relative phase which gives a modulation contrast of 40 dB (about 30 dB for transmission). The phenomenon provides a versatile platform for manipulating the interaction between light and graphene and may serve applications in optical modulators, transducers, sensors and coherent detectors. (C) 2014 Optical Society of America

引用

页码：12524 / 12532

页数：9

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