Design of Compact Long-Wavelength-Pass Filter in Metal-Dielectric-Metal Plasmonic Waveguide with Stubs Using Transmission Line Model

Special Section on Recent Progress in Electromagnetic Theory and Its Application

Koichi HIRAYAMA, Jun-ichiro SUGISAKA, Takashi YASUI

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Keywords: metal-dielectric-metal waveguide, long-wavelength-pass filter, low-pass prototype filter, transmission line model

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2020 Volume E103.C Issue 1 Pages 11-15

DOI https://doi.org/10.1587/transele.2019RES0002

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Abstract

We propose the design method of a compact long-wavelength-pass filter implemented in a two-dimensional metal-dielectric-metal (MDM) waveguide with three stubs using a transmission line model based on a low-pass prototype filter, and present the wavelength characteristics for filters in an MDM waveguide based on 0.5- and 3.0-dB equal-ripple low-pass prototype filters.

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