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IEICE TRANSACTIONS on Electronics

Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern

Akihiko HIRATA, Koichiro ITAKURA, Taiki HIGASHIMOTO, Yuta UEMURA, Tadao NAGATSUMA, Takashi TOMURA, Jiro HIROKAWA, Norihiko SEKINE, Issei WATANABE, Akifumi KASAMATSU

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Summary :

In this paper, we present the transmission characteristics control of a 125 GHz-band split-ring resonator (SRR) bandstop filter by coupling an alignment-free lattice pattern. We demonstrate that the transmission characteristics of the SRR filter can be controlled by coupling the lattice pattern; however, the required accuracy of alignment between the SRR filter and lattice pattern was below 200 µm. Therefore, we designed an alignment-free lattice pattern whose unit cell size is different from that of the SRR unit cell. S21 of the SRR bandstop filter changes from -38.7 to -4.0 dB at 125 GHz by arranging the alignment-free lattice pattern in close proximity to the SRR stopband filter without alignment. A 10 Gbit/s data transmission can be achieved over a 125 GHz-band wireless link by setting the alignment-free lattice pattern substrate just above the SRR bandstop filter.

Publication
IEICE TRANSACTIONS on Electronics Vol.E104-C No.10 pp.587-595
Publication Date
2021/10/01
Publicized
2021/04/08
Online ISSN
1745-1353
DOI
10.1587/transele.2021MMP0001
Type of Manuscript
Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category

Authors

Akihiko HIRATA
  Chiba Institute of Technology
Koichiro ITAKURA
  Chiba Institute of Technology
Taiki HIGASHIMOTO
  Osaka University
Yuta UEMURA
  Osaka University
Tadao NAGATSUMA
  Osaka University
Takashi TOMURA
  Tokyo Institute of Technology
Jiro HIROKAWA
  Tokyo Institute of Technology
Norihiko SEKINE
  National Institute of Information and Communications Technology
Issei WATANABE
  National Institute of Information and Communications Technology
Akifumi KASAMATSU
  National Institute of Information and Communications Technology

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