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A high sensitive sensor using MIM waveguide coupled with a rectangular cavity with Fano resonance

机译:使用MIM波导的高敏感传感器与具有FANO共振的矩形腔连接

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摘要

In this paper, a design with high sensitivity of a plasmonic biosensor by waveguide system is proposed, based on Metal-Insulator-Metal coupled with unique rectangular cavities, this structure numerically simulated using the Finite-Difference Time-Domain method in two dimensions (2D), and analyzed for the optimal sensor performance, by detecting the resonance wavelength and varying the refractive index. The results show two sharp transmission peaks with high transmittance and asymmetrical line-shaped Fano resonances achieved with a high value of sensitivity is 3010 nm/RIU, by taking the wavelength resolution to reach as high as 3.84 × 10~(-6) RIU. Considering the standards of Chip-scale integrated planar photonic sensing, the newly designed of the proposed structure with such high sensitivity provides remarkable properties suitable for biosensors, filter, and provide a new possibility for designing compact and high-performance plasmonic biosensors devices.
机译:本文提出了一种具有高灵敏度通过波导系统的高灵敏度的设计,基于金属绝缘体 - 金属与独特的矩形腔,这种结构在两维中使用有限差分时域法进行了数值模拟(2D 通过检测谐振波长并改变折射率来分析最佳传感器性能。 结果表明,具有高透射率和不对称线形的扇形共振的两个尖锐传输峰,具有高值为3010nm / Riu,通过取波长分辨率达到高达3.84×10〜(-6)Riu。 考虑到芯片级集成平面光子传感的标准,具有如此高灵敏度的建议结构的新设计提供了适合于生物传感器,过滤器的显着性质,并提供设计紧凑型和高性能等离子传感器器件的新可能性。

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