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Tunable ultranarrow spectrum selective absorption in a graphene monolayer at terahertz frequency
Wu, Jun; mailswj2011@163.com
2016
发表期刊J. Phys. D-Appl. Phys.
卷号49期号:21
摘要Complete absorption in a graphene monolayer at terahertz frequency through the critical coupling effect is investigated. It is achieved by sandwiching the graphene monolayer between a dielectric grating and a Bragg grating. The designed graphene absorber exhibits near-unity absorption at resonance but with an ultranarrow spectrum and antenna-like response, which is attributed to the combined effects of guided mode resonance with dielectric grating and the photonic band gap with Bragg grating. In addition to numerical simulation, the electric field distributions are also illustrated to provide a physical understanding of the perfect absorption effect. Furthermore, the absorption performance can be tuned by only changing the Fermi level of graphene, which is beneficial for real application. It is believed that this study may be useful for designing next-generation graphene-based optoelectronic devices.
文章类型Article
部门归属信息光电
DOI10.1088/0022-3727/49/21/215108
资助者National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073] ; National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073] ; National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073] ; National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073]
收录类别SCI
资助者National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073] ; National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073] ; National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073] ; National Natural Science Foundation of China [61405217, 61127013, 61308077, 61308073]
WOS记录号WOS:000375265400013
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28530
专题信息光学与光电技术实验室
通讯作者mailswj2011@163.com
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Wu, Jun,mailswj2011@163.com. Tunable ultranarrow spectrum selective absorption in a graphene monolayer at terahertz frequency[J]. J. Phys. D-Appl. Phys.,2016,49(21).
APA Wu, Jun,&mailswj2011@163.com.(2016).Tunable ultranarrow spectrum selective absorption in a graphene monolayer at terahertz frequency.J. Phys. D-Appl. Phys.,49(21).
MLA Wu, Jun,et al."Tunable ultranarrow spectrum selective absorption in a graphene monolayer at terahertz frequency".J. Phys. D-Appl. Phys. 49.21(2016).
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