TY - JOUR
T1 - Compact Spoof Surface Plasmon Polariton Waveguides with Simple Configurations and Good Performance
AU - Lu, Sen
AU - Xu, Kai Da
AU - Guo, Ying Jiang
AU - Chen, Qiang
N1 - Funding Information:
This work was supported in part by the NSAF Joint Fund under Grant U2130102, in part by the Natural Science Foundation of Shaanxi Province of China under Grant 2021JQ-060
Publisher Copyright:
© 1973-2012 IEEE.
PY - 2021/12/1
Y1 - 2021/12/1
N2 - Two compact spoof surface plasmon polariton (SSPP) waveguides are proposed with simple configurations and good performance. Compared with the conventional SSPP structure having same asymptotic frequency, a new design of the tilted-stub structure occupies less transversal space. Moreover, this design can be applied in the SSPP cases with small period values, which will facilitate the longitudinal miniaturization. Then, an improved SSPP structure is constructed to realize the transversal size reduction of 58% compared with the conventional corrugated SSPP waveguide. For these two proposed waveguides, smooth transitions from microstrip lines to SSPPs are designed with seamless connection. Two experimental prototypes have been fabricated, whose measurements are in good agreement with the simulated ones. The proposed designs will have significant potentials for the miniaturization of plasmonic devices and circuits.
AB - Two compact spoof surface plasmon polariton (SSPP) waveguides are proposed with simple configurations and good performance. Compared with the conventional SSPP structure having same asymptotic frequency, a new design of the tilted-stub structure occupies less transversal space. Moreover, this design can be applied in the SSPP cases with small period values, which will facilitate the longitudinal miniaturization. Then, an improved SSPP structure is constructed to realize the transversal size reduction of 58% compared with the conventional corrugated SSPP waveguide. For these two proposed waveguides, smooth transitions from microstrip lines to SSPPs are designed with seamless connection. Two experimental prototypes have been fabricated, whose measurements are in good agreement with the simulated ones. The proposed designs will have significant potentials for the miniaturization of plasmonic devices and circuits.
KW - Miniaturization design
KW - spoof surface plasmon polaritons (SSPPs)
KW - transversal size reduction
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U2 - 10.1109/TPS.2021.3124045
DO - 10.1109/TPS.2021.3124045
M3 - Article
AN - SCOPUS:85118980659
SN - 0093-3813
VL - 49
SP - 3786
EP - 3792
JO - IEEE Transactions on Plasma Science
JF - IEEE Transactions on Plasma Science
IS - 12
ER -