Optically Controlled Reconfigurable NRI-TL Phase Shifter for 5G Antenna Applications

Asif Bilal, Abdul Quddious, Haris Votsi, Atsushi Kanno, Tetsuya Kawanishi, Stavros Iezekiel, Marco A. Antoniades

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An optically-controlled reconfigurable NRI-TL metamaterial phase shifter operating at 3.6 GHz is proposed. A host transmission line with a fixed length loaded with series capacitors and shunt inductors is used to achieve reconfigurability, while the optical control is introduced by integrating highly resistive silicon switches within the shunt branches of the NRI-TL design. The two states of the phase shifter result in a phase shift of ±60° leading to a differential phase shift of 120° with an insertion loss of 1.3 dB and 1.8 dB respectively. The operational bandwidth of the phase shifter is between 3.45-3.75 GHz. The versatile optical control and the high-frequency response make the proposed NRI-TL phase shifter well suited for 5G antenna array applications.

Original languageEnglish
Title of host publication15th European Conference on Antennas and Propagation, EuCAP 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788831299022
DOIs
Publication statusPublished - 2021 Mar 22
Externally publishedYes
Event15th European Conference on Antennas and Propagation, EuCAP 2021 - Dusseldorf, Germany
Duration: 2021 Mar 222021 Mar 26

Publication series

Name15th European Conference on Antennas and Propagation, EuCAP 2021

Conference

Conference15th European Conference on Antennas and Propagation, EuCAP 2021
Country/TerritoryGermany
CityDusseldorf
Period21/3/2221/3/26

Keywords

  • Metamaterial
  • negative refractive index transmission line (NRI-TL)
  • optical control
  • phase shifter

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Instrumentation

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