Chin. Phys. Lett.  2014, Vol. 31 Issue (11): 114202    DOI: 10.1088/0256-307X/31/11/114202
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Characteristics of the Coupled-Resonator Structure Based on a Stub Resonator and a Nanodisk Resonator
SHANG Ce, CHEN Zhao, WANG Lu-Lu, ZHAO Yu-Fang, DUAN Gao-Yan, YU Li**
State Key Laboratory of Information Photonics and Optical Communications, and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876
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SHANG Ce, CHEN Zhao, WANG Lu-Lu et al  2014 Chin. Phys. Lett. 31 114202
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Abstract A coupled-resonator structure consisting of a stub resonator and a nanodisk resonator is proposed and numerically investigated by using a two-dimensional finite element method. Simulation results show that two resonant modes occur in the transmission spectra, and the sharp and asymmetric Fano-lines increase with the wavelength resolution. We also analyze the properties of two resonant modes of the structure and design a similar structure supporting only one resonant mode, which has better wavelength resolution. Our models are important for improving the wavelength resolution in plasmonic devices and the sensitivity in sensors.
Published: 28 November 2014
PACS:  42.82.Et (Waveguides, couplers, and arrays)  
  52.25.Fi (Transport properties)  
  42.82.Gw (Other integrated-optical elements and systems)  
  42.79.-e (Optical elements, devices, and systems)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/11/114202       OR      https://cpl.iphy.ac.cn/Y2014/V31/I11/114202
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SHANG Ce
CHEN Zhao
WANG Lu-Lu
ZHAO Yu-Fang
DUAN Gao-Yan
YU Li
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