Achieving a terahertz photonic crystal fiber with enhanced birefrigence

Tianyu Yang, Can Ding, Richard W. Ziolkowski, Ying Jay Guo

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

1 Scopus citations


A method to achieve a photonic crystal fiber (PCF) with high birefringence for polarization maintenance in short range THz communication systems is introduced in this paper. Rectangular air slots are etched in the core region of the fiber; they make the X-polarized (XP) and Y-polarized (YP) propagation modes have different propagation constants, thus leading to the higher birefringence. In contrast to the widely-used fully-slotted (FS) configuration in which the fiber core is almost fully occupied by air slots, the proposed PCF has a partially-slotted (PS) core. The air slot in the core center is absent; only the dielectric background is present. Comparisons are made between the fully-slotted and partially-slotted PCFs to illustrate that the PS PCF overperforms the FS PCF. After optimization, the PS PCF attains a high birefringence value of 0.069 and a total loss of 0.071 cm-1 at 1.0 THz. Over a broad 0.4 THz working band, from 0.53 to 0.93 THz, the dispersion is within 0.06 ps/THz/cm.

Original languageEnglish (US)
Title of host publication2020 4th Australian Microwave Symposium, AMS 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728147840
StatePublished - Feb 2020
Event4th Australian Microwave Symposium, AMS 2020 - Sydney, Australia
Duration: Feb 13 2020Feb 14 2020

Publication series

Name2020 4th Australian Microwave Symposium, AMS 2020


Conference4th Australian Microwave Symposium, AMS 2020


  • Birefringence
  • Photonic crystal fiber (PCF)
  • Polarization maintenance
  • Terahertz (THz)

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Instrumentation


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