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Tunable high quality factor in two multimode plasmonic stubs waveguide.

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WOS被引频次:16
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成果类型:
期刊论文
作者:
Chen, Zhiquan;Li, Hongjian*;Zhan, Shiping;Li, Boxun;He, Zhihui;Xu, Hui;Zheng, Mingfei
通讯作者:
Li, Hongjian
作者机构:
[He, Zhihui; Zhan, Shiping; Chen, Zhiquan; Li, Boxun; Xu, Hui; Li, Hongjian; Zheng, Mingfei] Cent S Univ, Coll Phys & Elect, Changsha 410083, Peoples R China.
[Chen, Zhiquan] Hunan City Univ, Coll Commun & Elect Engn, Yiyang 413000, Peoples R China.
通讯机构:
[Li, Hongjian] Cent S Univ, Coll Phys & Elect, Changsha 410083, Peoples R China.
语种:
英文
期刊:
SCIENTIFIC REPORTS
ISSN:
2045-2322
年:
2016
卷:
6
页码:
24446
文献类别:
WOS:Article
所属学科:
ESI学科类别:物理学;WOS学科类别:Multidisciplinary Sciences
入藏号:
WOS:000374089100001;PMID:27075935
基金类别:
Research Fund for the Doctoral Program of Higher Education of China [20100162110068]; National Natural Science Foundation of China [61275174]
机构署名:
本校为其他机构
院系归属:
信息与电子工程学院
摘要:
We numerically investigate the optical characteristics of a metal-dielectric-metal (MDM) waveguide side-coupled with two identical multimode stub resonators. Double plasmon-induced transparency (PIT) peaks with narrow full width at half maximum (FWHM) and high quality factor (Q-factor) can be observed in this structure. The Q-factors of PIT peaks in two stub resonators system are larger than those in single stub resonator system. A multimode coupled-radiation oscillator theory (MC-ROT), which is derived from ROT, is proposed to analyze the spectral response in the multimode system for the first time. The analytical results are confirmed by the finite-difference time-domain (FDTD) simulation results. We can also find that the Q-factors of the two PIT peaks have an opposite evolution tendency with the change of the stubs parameters and the maximum can reach to 427. These results may provide some applications for ultrasensitive sensors, switches and efficient filters.
参考文献:
Cao GT, 2014, OPT EXPRESS, V22, P25215, DOI 10.1364/OE.22.025215
Cao GT, 2014, OPT LETT, V39, P216, DOI 10.1364/OL.39.000216
Cao GT, 2013, OPT EXPRESS, V21, P9198, DOI 10.1364/OE.21.009198
Chen JJ, 2013, PLASMONICS, V8, P1627, DOI 10.1007/s11468-013-9580-4
Chen JJ, 2012, OPT LETT, V37, P5133, DOI 10.1364/OL.37.005133

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