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Enhancement of Absorption in Graphene Strips With Cascaded Grating Structures
Wu, Jun; mailswj2011@163.com
2016
Source PublicationIEEE Photonics Technol. Lett.
Volume128Issue:12Pages:1332
AbstractThe enhanced absorption effects of graphene strips with cascaded grating structures are investigated. A graphene absorber, which consists of a graphene grating and a dielectric grating backed with a Bragg grating, is designed and studied. The combined effects of guided-mode resonances with dielectric gratings and the photonic bandgap with a Bragg grating lead to the realization of critical coupling, which makes the absorber exhibit near-unity absorption/emission at resonance but with ultra-narrow spectral and antennalike responses. Both the coupled-mode theory and the electric-field distributions are presented to provide a physical understanding of such an absorption behavior. We believe that the conclusions may be useful for the design of graphene-based optoelectronic devices.
SubtypeArticle
Department信息光电
DOI10.1109/LPT.2016.2541691
Funding OrganizationNational 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]
Indexed BySCI
Funding OrganizationNational 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 IDWOS:000375077400017
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Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/28490
Collection信息光学与光电技术实验室
Corresponding Authormailswj2011@163.com
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Wu, Jun,mailswj2011@163.com. Enhancement of Absorption in Graphene Strips With Cascaded Grating Structures[J]. IEEE Photonics Technol. Lett.,2016,128(12):1332.
APA Wu, Jun,&mailswj2011@163.com.(2016).Enhancement of Absorption in Graphene Strips With Cascaded Grating Structures.IEEE Photonics Technol. Lett.,128(12),1332.
MLA Wu, Jun,et al."Enhancement of Absorption in Graphene Strips With Cascaded Grating Structures".IEEE Photonics Technol. Lett. 128.12(2016):1332.
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