Ultra high birefringent dispersion flattened fiber in terahertz regime

Md Selim Reza, Md Ahasan Habib*, Ibrahim Mustafa Mehedi, Md Mottahir Alam, Shaikh Abdul Latif

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In the current study, a novel Zeonex based porous core photonic crystal fiber (PC-PCF) is presented for polarization-maintaining and dispersion flattened in the terahertz (THz) region. For minimizing the Effective Material Loss (EML), an array of three rectangular and six triangular air holes are surrounded by hexagonal-shaped cladding. Finite Element Method (FEM) is employed through Comsol V5.3a software to design and examine the essential features of the proposed porous core fiber which revealed that it has an extremely small EML of 0.04 cm−1 at 1.2 THz and has almost zero flattened dispersion of 0.8 ± 0.08 ps/THz/cm in 1.0-1.4 THz frequency spectrum. Moreover, the optimum designing parameters offer an extremely high value of birefringence (0.043 at 1.2 THz). Besides, other major features notably bending loss, effective area, and confinement loss are also found to be precise and relatively low. For effective, adaptable and fitting transmission characteristics, this type of design would lay the foundations for broadband THz radiation wide variety of usage in the THz regime.

Original languageEnglish
Pages (from-to)S527-S533
JournalJournal of Optical Communications
Volume44
Issue numbers1
DOIs
Publication statusPublished - 1 Dec 2023
Externally publishedYes

Keywords

  • birefringence
  • dispersion
  • effective material loss
  • optical communication
  • terahertz optics

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