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A single-polarization hollow-core anti-resonant fiber based on epsilon-near-zero (ENZ) material in terahertz region

  • Zhongrui Han
  • , Fengjun Tian*
  • , Yipeng Lu
  • , Guanqu Hu
  • , Youzhi Chen
  • , Zhibin Zeng
  • , Chao Liu
  • , Xinghua Yang
  • , Li Li
  • , Jianzhong Zhang
  • *Corresponding author for this work
  • Harbin Engineering University
  • Daqing Petroleum Institute

Research output: Contribution to journalArticlepeer-review

Abstract

A single-polarization hollow core anti-resonant fiber (HC-ARF) in terahertz (THz) region is proposed. The excellent single-polarization behavior is achieved by optimizing material parameters. Meanwhile, the single polarization behavior further improved by introducing epsilon-near-zero (ENZ) material into high resistance silicon tubes. The ENZ tubes enlarge the polarization extinction ratio (PER) and improve birefringence greatly. Moreover, optimization of the configuration parameters is conducted to obtain high PER and birefringence at 1 THz. The proposed single-polarization HC-ARF has great potential applications in the field of polarization sensitive communication, sensors in THz band.

Original languageEnglish
Article number170598
JournalOptik
Volume279
DOIs
StatePublished - May 2023

Keywords

  • Birefringence
  • Epsilon-near-zero
  • Hollow core anti-resonant fiber
  • Polarization extinction ratio
  • Terahertz

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