What is it about?

The proposed three-way power divider is based on the Spoof Surface Plasmon Polariton mode of a wave. SSPPs is a kind of surface EM wave with attractive benefits such as 1-producing highly confined EM wave; 2-being naturally wide-band; 3-lower ohmic & dielectric loss, because of a highly confined EM-wave, compared to traditional technologies like microstrip and SIW; 4-good candidate for bend path & flexible substrate with low-loss.

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Why is it important?

So, the proposed SSPP-based three-way power divider, which equally divides the initial power at the input port to one-third of power at output ports, could be a good candidate to use in microwave & millimeter-wave applications. It is a good supporter of bend path and flexible structures with low-loss in comparison to other traditional technologies.


The proposed power divider could be utilized in integrated plasmonic RF and microwave circuits and systems, like balanced mixers, modulators, and the feed network of beamforming antenna arrays. Writing this article was a great indicator of the ability of the SSPP technology to support bend structures. So, the three-way SSPP-based splitter could play a key role in 5G networks, where it is demandable to have a microwave device with low loss in bend paths.

Ehsan Farokhipour
University of Duisburg Essen

Read the Original

This page is a summary of: An ultra-wideband three-way power divider based on spoof surface plasmon polaritons, Journal of Applied Physics, December 2018, American Institute of Physics, DOI: 10.1063/1.5050495.
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