| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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The Line Shape of Double-Sided Tooth-Disk Waveguide Filters Based on Plasmon-Induced Transparency |
| ZHANG Xin-Yuan, WANG Lu-Lu**, CHEN Zhao, CUI Lu-Na, SHANG Ce, ZHAO Yu-Fang, DUAN Gao-Yan, LIU Jian-Bin, YU Li** |
School of Science and State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876
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| Cite this article: |
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ZHANG Xin-Yuan, WANG Lu-Lu, CHEN Zhao et al 2015 Chin. Phys. Lett. 32 054209 |
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Abstract We numerically investigate a coupled-resonator structure consisting of a stub resonator and a nanodisk resonator using a two-dimensional finite element method. Simulation results show that plasmon-induced transparency (PIT) occurs in the transmission spectra, and the sharp asymmetric Fano lines increase the sensitivity to 1.4×103 nm/RIU. We also analyze the properties of the structure with different radii of the nanodisk and the length of the tooth cavity. Moreover, we find that the PIT only happens when the staggered system is around a fixed location with different separate distances, which is not similar to the previous researches. Our model may be important to photonic-integrated circuits and the sensitivity in sensors.
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Received: 02 December 2014
Published: 01 June 2015
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| PACS: |
42.82.Et
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(Waveguides, couplers, and arrays)
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52.25.Fi
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(Transport properties)
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42.82.Gw
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(Other integrated-optical elements and systems)
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52.35.Hr
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(Electromagnetic waves (e.g., electron-cyclotron, Whistler, Bernstein, upper hybrid, lower hybrid))
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