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Design and Analysis of Pseudospin-Polarized Ultra-Wideband Waveguide Supporting Hybrid Spoof Surface Plasmon Polaritons

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Version 2 2024-03-16, 16:00
Version 1 2023-10-29, 16:00
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posted on 2024-03-16, 16:00 authored by Kazem Zafari, Atefeh Ashrafian, Mohammad Pasdari-Kia, Hamed Saghaei, Mahdi Nooshyar, Amirmasood Bagheri
In this study, novel low-loss waveguides and power dividers for ultra-broadband surface plasmon polaritons (SPPs) are introduced. This article uses complementary metasurfaces in place of traditional SPP, which are typically produced as metasurface unit cells on the dielectric sublayer. It has been demonstrated that the use of complementary metasurfaces considerably improves wave confinement and inhibits wave propagation. Because of this, it is anticipated that waveguides and power dividers made from these complimentary unit cells will have significantly lower losses and greater bandwidth than SPP used in traditional devices. In the frequency range of 0 GHz to 100 GHz, waveguides and bent waveguides with complementary metasurface unit cells exhibit insertion loss greater than 0.5 dB. Utilizing complementary metasurfaces, symmetric and asymmetric power dividers have been created and researched. The results of the simulation have shown that using this type of unit cell in the construction of microwave devices is advantageous.

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