Design and Analysis of a Highly Efficient Rectangular Cavity Based Semi-Elliptic Nanoplasmonic Coupler

Md. Farhad Hassan, Md. Saiful Islam Sumon, M. Hasan, Md Arefin Rabbi Emon, R. H. Sagor
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引用次数: 1

Abstract

A highly efficient three-dimensional nanoplasmonic coupler connecting dielectric waveguide and plasmonic waveguide constructed with a semi-elliptical structure has been proposed. Numerical simulation based on Finite Integration Technique (FIT) has been exploited for the characterization and optimization of the performance of the device. Performance optimization has been done in terms of coupling efficiency through systematic adjustments in the structural parameters of the proposed device and a coupling efficiency as high as $\sim$86% has been recorded at the telecom wavelength (1.55$\mu m$). Further analysis of the coupler has been presented in detail with four figures of merit (i.e. the reflection coefficient, Voltage Standing Wave Ratio (VSWR), return loss, and mismatch loss). Tolerance limit has also been added for the device to establish this work as a guiding manual for practical fabrication and nanoscale integration of the proposed coupler.
高效矩形腔半椭圆纳米等离子体耦合器的设计与分析
提出了一种连接介质波导和半椭圆结构等离子体波导的高效三维纳米等离子体耦合器。基于有限积分技术(FIT)的数值模拟已被用于表征和优化器件的性能。通过系统调整装置的结构参数,在耦合效率方面进行了性能优化,耦合效率高达$\sim$ 86% has been recorded at the telecom wavelength (1.55$\mu m$). Further analysis of the coupler has been presented in detail with four figures of merit (i.e. the reflection coefficient, Voltage Standing Wave Ratio (VSWR), return loss, and mismatch loss). Tolerance limit has also been added for the device to establish this work as a guiding manual for practical fabrication and nanoscale integration of the proposed coupler.
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