Abstract

In this presentation, I will review recent advances of spoof surface plasmons in the microwave, millimeter wave, and terahertz frequencies based on ultrathin metallic strictures. In details, I will introduce an ultrathin transmission line of spoof surface plasmon polaritons (SPPs) on corrugated metallic strip, which can be printed on ultrathin and flexible dielectric film to support conformal surface plasmons; an ultrathin corrugated metallic disk to support spoof localized surface plasmons (LSPs); passive SPP devices; active SPP devices for amplifying SPP signals and generating the second harmonics of SPPs; and the combined SPP and LSP circuits. Experimental results are presented for the SPP and LSP devices and circuits.

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