期刊
AIP ADVANCES
卷 7, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4974075
关键词
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资金
- National Natural Science Foundation of China [61605177, 61275166]
- National Science Fund for Distinguished Young Scholars [51225504, 61525107]
- Natural Science Research Foundation of North University of China [110246]
- Program for the Top Young and Middle-aged Innovative Talents of Higher Learning Institutions of Shanxi
- North University of China Science Fund for Distinguished Young Scholars
A metal-insulator-metal (MIM) waveguide-coupled trapezoid cavity is presented, and the transmission properties are investigated by finite-element method. Results show that an asymmetric Fano profile emerged in the transmission spectrum, which was caused by the asymmetrical break of the MIM waveguide-coupled trapezoid cavity system. A refractive index sensitivity, Q-factor and FOM of approximately 750nm/RIU, 68.3 and 65.2 were measured based on the Fano resonance. The effect of the structural parameters on the transmission properties is also investigated. The results provide a new possibility for designing high-performance plasmonic devices. (C) 2017 Author(s).
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