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Fano resonance induced by mode coupling in all-dielectric nanorod array
Pu, Mingbo1; Song, Maowen1,2,3; Yu, Honglin2; Hu, Chenggang1; Wang, Min1,3; Wu, Xiaoyu1,3; Luo, Jun1,2,3; Zhang, Zuojun1,2,3; Luo, Xiangang1; Luo, X. (lxg@ioe.ac.cn)
Source PublicationApplied Physics Express
Volume7Issue:3Pages:032002
2014
Language英语
ISSN18820778
DOI10.7567/APEX.7.032002
Indexed BySCI ; Ei
WOS IDWOS:000336118000011
Subtype期刊论文
AbstractWe propose an efficient way to realize Fano-type resonances at optical frequencies based on a low-loss dielectric nanorod array. An ultrahigh Q factor (larger than 10000) is numerically demonstrated, which is attributed to the mode interference between the broadband Fabry-Perot (FP) resonance and the narrowband guided mode stemming from coupled quadrupoles. A wide gap region for field enhancement is formed between adjacent rods, making such a structure an ideal platform for related applications such as biological sensing and nonlinear devices. © 2014 The Japan Society of Applied Physics.; We propose an efficient way to realize Fano-type resonances at optical frequencies based on a low-loss dielectric nanorod array. An ultrahigh Q factor (larger than 10000) is numerically demonstrated, which is attributed to the mode interference between the broadband Fabry-Perot (FP) resonance and the narrowband guided mode stemming from coupled quadrupoles. A wide gap region for field enhancement is formed between adjacent rods, making such a structure an ideal platform for related applications such as biological sensing and nonlinear devices. © 2014 The Japan Society of Applied Physics.
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Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6853
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorLuo, X. (lxg@ioe.ac.cn)
Affiliation1. State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Science, P. O. Box 350, Chengdu 610209, China
2. Key Lab of Optoelectronic Technology and Systems, Education Ministry of China, Chongqing University, Chongqing 400044, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Pu, Mingbo,Song, Maowen,Yu, Honglin,et al. Fano resonance induced by mode coupling in all-dielectric nanorod array[J]. Applied Physics Express,2014,7(3):032002.
APA Pu, Mingbo.,Song, Maowen.,Yu, Honglin.,Hu, Chenggang.,Wang, Min.,...&Luo, X. .(2014).Fano resonance induced by mode coupling in all-dielectric nanorod array.Applied Physics Express,7(3),032002.
MLA Pu, Mingbo,et al."Fano resonance induced by mode coupling in all-dielectric nanorod array".Applied Physics Express 7.3(2014):032002.
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