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journal article·2017-01-01Open access

Transmission and refractive index sensing based on Fano resonance in MIM waveguide-coupled trapezoid cavity

Jinli Zhou, Huibin Chen, Zhidong Zhang, Jun Tang, Jiangong Cui, Chenyang Xue, Shubin Yan

AIP Advances· Volume 7· Issue 1
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Source abstract

Abstract

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.
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Research context

OpenAlex topics: Plasmonic and Surface Plasmon Research · Photonic and Optical Devices · Photonic Crystals and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

North University of China 1 Science and Technology on Electronic Test and Measurement Laboratory, , Taiyuan 030051, China

North University of China 2 School of Instrument and Electronics, , Taiyuan 030051, China

North University of China 3 School of Mechatronics Engineering, , Taiyuan 030051, China

Funding

National ScienceFund For Distinguished Yong Scholars · Natural Science Research Foundation of North Univesity of Chian · Program for the Top Young and MIddle-sged Innovative Talents of Higher Learning Insistutions of Shanxi, · The North University of China Science Fund for Distinguished Young Scholars · National Natural Science Foundation of China

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