High-order Mode of Spoof Surface Plasmon Polaritons based on a Novel Compact Structure and its Application in Band-pass Filters

Authors

  • Siyu Yang School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China
  • Shuang Liu School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China
  • Huali Zhu School of Electronic Science and Engineering University of Electronic Science and Technology of China, Chengdu 610000, China
  • Fachun He School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China
  • Dan Lei School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China
  • Jun Yan China Electronics Technology Group Corporation 10th Research Institute, Chengdu 610000, China
  • Chan Gao School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390403

Keywords:

band-pass filter, bow-folded strip, novel compact, SSPPs

Abstract

In this paper, two band-pass filters based on the high-order mode of spoof surface plasmon polaritons (SSPPs) are introduced. A novel compact bow-folded strip is proposed as a cell, which exhibits perfect band-pass characteristics. By adjusting the width and groove of the bow-folded strips, high-order mode can be obtained to support the design of band-pass filters. Compared to the conventional single-side rectangular groove SSPPs cell, our proposed bow-folded strip structure cells reduce the electrical size by 59% and 70% at the same cut-off frequency. In addition, the transmission lines of the two proposed band-pass filters are microstrip lines and their over-conversion structures are simple trapezoidal over. A single-band and a dual-band band-pass filters using the proposed SSPPs cell are fabricated and measured, both having almost the same size. The measured results are in good agreement with simulated results, which verify the feasibility of our design.

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Author Biographies

Siyu Yang, School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China

Siyu Yang is studying for the master’s degree at Chengdu University of Technology, Chengdu, China. Her current research interests include Spoof Surface Plasmon Polaritons and microwave circuits.

Shuang Liu, School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China

Shuang Liu received the PhD. degree in electromagnetic field and microwave technology from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2016. She is currently a teacher in Chengdu University of Technology, Chengdu, China. Her current research interests include microwave, millimeter-wave and terahertz passive circuits, antenna, spoof surface plasmon polaritons, and physics.

Huali Zhu, School of Electronic Science and Engineering University of Electronic Science and Technology of China, Chengdu 610000, China

Huali Zhu received the B.S. degree from the University of Electronic Science and Technology of China, Chengdu, China, in 2017. He is currently pursuing the Ph.D. degree with the University of Electronic Science and Technology of China, Chengdu, China, majoring in electronic science and technology. His current research interests include microwave/millimeter wave circuit theory and technology, mm-wave and terahertz integrated circuits and systems.

Fachun He, School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China

Fachun He is studying for the master’s degree at Chengdu University of Technology, Chengdu, China. His current research interests include spoof surface plasmon polaritons and microwave circuits.

Dan Lei, School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China

Dan Lei received the B.S. degree in applied physics from Chongqing University in 2000, M.Eng. in electromagnetic field and Microwave Technology from University of Electronic Science and Technology of China in 2007. She is currently teaching electrodynamics and microwave technology and antennas at Chengdu University of Technology. Her current research interests include numerical modeling methods of passive microwave circuits, microwave circuits and microwave test.

Jun Yan, China Electronics Technology Group Corporation 10th Research Institute, Chengdu 610000, China

Jun Yan received the S. and Ph.D. degrees in electromagnetic and microwave engineering from the University of Electronic Science and Technology of China, Chengdu, China, in 2005 and 2016, respectively. He is currently an Engineer of microwave engineering at the China Electronics Technology Group Corporation 10th Research Institute, Chengdu. His research interests include wide-band, low-profile antenna array and feed-network design for microwave and millimeter-wave frequencies.

Chan Gao, School of Mathematics and Science Chengdu University of Technology, Chengdu 610000, China

Chan Gao received the B.S. degree in applied physics from Henan University of Technology, Zhengzhou, China in 2012, and the Ph.D. degree in condensed matter physics from University of Science and Technology of China (USTC), Hefei, China, in 2018. From 2018-2021, she was a postdoctoral researcher in University of Science and Technology of China (USTC), Hefei, China. She is currently a lecturer in Chengdu University of Technology (CDUT), Chengdu, China. Her current research interests include the structure and photoelectrical properties of material under extreme condition and microwave circuits.

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Published

2024-04-30

How to Cite

[1]
S. Yang, “High-order Mode of Spoof Surface Plasmon Polaritons based on a Novel Compact Structure and its Application in Band-pass Filters”, ACES Journal, vol. 39, no. 04, pp. 297–306, Apr. 2024.