Fano Resonance in Waveguide Coupled Surface Exciton Polaritons: Theory and Application in Biosensor
Fano Resonance in Waveguide Coupled Surface Exciton Polaritons: Theory and Application in Biosensor
复制标题
波导耦合表面激子极化子中的法诺共振:理论及其在生物传感器中的应用
DOI:
10.3390/s18124437
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发表时间:
2018-12
期刊:
影响因子:
3.9
通讯作者:
Xiang Yuanjiang
中科院分区:
文献类型:
--
作者:
Zhu Jiaqi;Gan Shuaiwen;Ruan Banxian;Wu Leiming;Cai Houzhi;Dai Xiaoyu;Xiang Yuanjiang
Surface exciton polaritons (SEPs) are one of the three major elementary excitations: Phonons, plasmons and excitons. They propagate along the interface of the crystal and dielectric medium. Surface exciton polaritons hold a significant position in the aspect of novel sensor and optical devices. In this article, we have realized a sharp Fano resonance (FR) by coupling the planar waveguide mode (WGM) and SEP mode with Cytop (perfluoro (1-butenyl vinyl ether)) and J-aggregate cyanine dye. After analyzing the coupling mechanism and the localized field enhancement, we then applied our structure to the imaging biosensor. It was shown that the maximum imaging sensitivity of this sensor could be as high as 5858 RIU−1, which is more than three times as much as classical FR based on metal. A biosensor with ultra-high sensitivity, simple manufacturing technique and lower cost with J-aggregate cyanine dye provides us with the most appropriate substitute for the surface plasmon resonance sensors with the noble metals and paves the way for applications in new sensing technology and biological studies.
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影响因子:
3
作者:
G. Zheng;Haojing Zhang;Lingbing Bu;Haiyang Gao;Linhua Xu;Yuzhu Liu
通讯作者:
G. Zheng;Haojing Zhang;Lingbing Bu;Haiyang Gao;Linhua Xu;Yuzhu Liu
影响因子:
3.8
作者:
Giannini, V.;Zhang, Y.;Rivas, J. Gomez
通讯作者:
Rivas, J. Gomez
影响因子:
3.8
作者:
Wu, L.;Chu, H. S.;Li, E. P.
通讯作者:
Li, E. P.
影响因子:
3.9
作者:
Zheng, Chunjie;Jia, Tianqing;Zhao, Hua;Xia, Yingjie;Zhang, Shian;Feng, Donghai;Sun, Zhenrong
通讯作者:
Sun, Zhenrong
影响因子:
4
作者:
Pirotta, Stefano;Patrini, Maddalena;Bajoni, Daniele
通讯作者:
Bajoni, Daniele