Extremely low material loss and dispersion flattened TOPAS based circular porous fiber for long distance terahertz wave transmission

Md Saiful Islam, Jakeya Sultana, Sohel Rana, Mohammad Rakibul Islam, Mohammad Faisal, Shubi F. Kaijage, Derek Abbott

Research output: Contribution to journalArticlepeer-review

103 Scopus citations

Abstract

In this paper, we present a porous-core circular photonic crystal fiber (PC-CPCF) with ultra-low material loss for efficient terahertz wave transmission. The full vector finite element method with an ideally matched layer boundary condition is used to characterize the wave guiding properties of the proposed fiber. At an operating frequency of 1 THz, simulated results exhibit an extremely low effective material loss of 0.043 cm−1, higher core power fraction of 47% and ultra-flattened dispersion variation of 0.09 ps/THz/cm. The effects of important design properties such as single mode operation, confinement loss and effective area of the fiber are investigated in the terahertz regime. Moreover, the proposed fiber can be fabricated using the capillary stacking or sol-gel technique and be useful for long distance transmission of terahertz waves.

Original languageEnglish
Pages (from-to)6-11
Number of pages6
JournalOptical Fiber Technology
Volume34
DOIs
StatePublished - Mar 1 2017
Externally publishedYes

Keywords

  • Dispersion
  • Effective material loss
  • Optical fiber
  • Photonic crystal fiber
  • Terahertz

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