Reduction of wide-band crosstalk for guiding microwave in corrugated metal strip lines with subwavelength periodic hairpin slits

On-chip sub-terahertz surface plasmon polariton transmission lines in CMOS

“…Even though existing equalization techniques can marginally alleviate the channel crosstalk 10 11 12 34 35 36 , their communication data rate is limited not higher than 10 Gbps per channel. Other transmission line structures are presented 22 23 24 25 37 38 39 , but their applications are limited in board level with operation frequency lower than 20 GHz.…”

“…Such a surface EM wave can be supported at low frequency region whose propagation adapts to the curvature or holes of the surface. Even though previous works have demonstrated the field-localization ability of SPP T-lines by both numerical and experimental approaches, their implementations are limited in microwave region on board level with bulky size and loss 19 20 21 22 23 24 25 26 . Moreover, the capability to strongly attenuate electromagnetic crosstalk in an intensively integrated environment by on-chip SPP T-line has not well been exposed or explored as far.…”

High‐directivity radiation based on the leaky mode of spoof surface plasmon polaritons

“…The guiding of spoof SPPs can also be realised in a 3D system, and a typical example is a domino structure [19][20][21], which is composed of metallic blocks periodically standing on the metal surface. The metallic microstrip lines with periodic subwavelength grooves have been proved to be able to reduce the crosstalk based on the high confinement of the EM field [22][23][24]. In this paper we will consider a modified domino structure, in which metal blocks arranged periodically are hollowed out, and investigate the guiding properties of SPPs sustained by this structure both theoretically and experimentally.…”

Extraordinary electromagnetic transmission through a circular aperture surrounded by surface corrugations

“…Recently, there have been substantial efforts to investigate the extraordinary optical transmission [8][9][10][11][12][13][14][15][16] and angular confinement of radiated fields [17][18][19][20] associated with leaky surface-plasmon theory [21,22]. In fact, surface plasmon (SP) modes are the special transverse magnetic (TM) surface wave in optical region which are supported along a metal surface, but spoof SP modes (SP-like modes, or designer SP) in the micro/millimeter wave regimes, which are bound electromagnetic modes mimicking the real SP modes in terms of dispersion characteristics, can be sustained even by a perfect conductor provided that its surface is periodically corrugated [23][24][25][26][27]. The enhanced and directional transmission through subwavelength apertures surrounded by corrugations has been also investigated numerically and experimentally at microwave or millimeter wave regime [28][29][30][31] and can be explained by spoof SP modes and leaky waves.…”