研究目的
Investigating the design and performance of a novel refractive index nanosensor with compound structures for on-chip plasmonic applications.
研究成果
The proposed nanosensor demonstrates excellent performance with up to five independently tunable Fano resonance peaks and a sensitivity of up to 1900 nm/RIU. The compact design and high performance make it suitable for various on-chip plasmonic applications.
研究不足
The study is limited to numerical simulations and does not include experimental validation. The complexity of the structure may pose challenges in fabrication and practical application.
1：Experimental Design and Method Selection:
The study utilizes numerical investigation with the finite element method (FEM) to simulate the transmission spectrum of the nanosensor.
2：Sample Selection and Data Sources:
The nanosensor consists of three different kinds of resonators and two stubs side-coupled to a metal–dielectric–metal (MDM) waveguide.
3：List of Experimental Equipment and Materials:
The dielectric in the waveguide and cavities is air, and the metal is silver, characterized by the Drude model.
4：Experimental Procedures and Operational Workflow:
The transmission features are numerically simulated in the near-infrared spectrum at 1000 to 2000 nm.
5：Data Analysis Methods:
The transmission characteristics are analyzed by coupled mode theory (CMT) and multimode interference coupled mode theory (MICMT).
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