High-Sensitivity Plasmonic Temperature Sensor Based on a MIM Waveguide-Coupled TDSC Resonator.

Yuanyuan Gao, Shubin Yan, Hui Cai, Zhenyang Xu, Chen Chen, Guang Liu, Taiquan Wu

Abstract read

In one paragraph

Article in Micromachines, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Yuanyuan GaoCollege of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China.

Shubin YanSchool of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China.ORCID 0000-0002-7588-3616

Hui CaiCollege of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China.

Zhenyang XuSchool of Geomatics Science and Technology, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China.

Chen ChenSchool of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China.

Guang LiuSchool of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China.

Taiquan WuSchool of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China.

Funding

National Natural Science Foundation of China 62374148Research and Development Project of Zhejiang Province 2021C03019Research Project by Department of Water Resources of Zhejiang Province RA2101Special Projects of the Central Government in Guidance of Local Science and Technology Development YDZJSX20231A031Zhejiang Provincial Natural Science Foundation of China LD21F050001

6 · The paper itself

Abstract

This paper presents a nanoscale sensor based on a metal-insulator-metal (MIM) waveguide coupled with a composite resonant cavity, where the ring resonator is embedded with triangular, semicircular, and rectangular structural elements. The transmission characteristics and sensing performance of the structure were systematically analyzed using the finite element method. The results indicate that the interference between the continuous mode in the waveguide and the discrete mode in the resonant cavity generates a distinct asymmetric Fano resonance. The optimized sensor achieves a sensitivity of 2960 nm/RIU and a figure of merit (FOM) of 59.79. Experimental verification confirms that the structure exhibits high responsiveness in temperature sensing, providing an effective solution for integrated photonic devices.

Indexed as

Fano resonanceMIMrefractive index sensorsurface plasmon polaritonsTDSC structure

Identifiers

PMID41753854

DOI10.3390/mi17020198

PMCPMC12942748

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.