Odd-mode surface plasmon polaritons supported by complementary plasmonic metamaterial

Scientific Reports
Xi GaoTie Jun Cui

Abstract

Surface plasmon polaritons (SPPs), either on metal-dielectric interfaces in optical frequencies or on structured metal surfaces in the lower frequencies, are dominantly even modes. Here we discover dominant odd-mode SPPs on a complementary plasmonic metamaterial, which is constructed by complementary symmetric grooves. We show that the fundamental SPP mode on such a plasmonic metamaterial is a tightly confined odd mode, whose dispersion curve can be tuned by the shape of groove. According to the electric field distributions of odd-mode SPPs, we propose a high-efficiency transducer using asymmetric coplanar waveguide and slot line to excite the odd-mode SPPs. Numerical simulations and experimental results validate the high-efficiency excitation and excellent propagation performance of odd-mode SPPs on the complementary plasmonic waveguides in the microwave frequencies.

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Citations

Feb 18, 2016·Scientific Reports·Zhuo LiQuan Qing
Nov 1, 2016·Scientific Reports·Lei ZhaoXiaopeng Shen
Apr 15, 2018·Scientific Reports·Shiyan ZhouZhi-Hong Tu
May 22, 2019·Scientific Reports·Muhammed Abdullah Unutmaz, Mehmet Unlu
Sep 15, 2015·Optics Express·Xi GaoTie Jun Cui
Mar 4, 2020·Optics Express·Mingrui YuanWeili Zhang

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Methods Mentioned

BETA
SMA

Software Mentioned

CST Microwave Studio

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