Ultra‐flat low material loss porous core THz waveguide with near zero flat dispersion | Zendy

Ali S. | Zendy; Ahmed N. | Zendy; Aljunid S. | Zendy; Ahmad B. | Zendy

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Ultra‐flat low material loss porous core THz waveguide with near zero flat dispersion

Author(s) -

Ali S.,

Ahmed N.,

Aljunid S.,

Ahmad B.

Publication year - 2016

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2016.0364

Subject(s) - terahertz radiation , materials science , optics , dispersion (optics) , waveguide , core (optical fiber) , optoelectronics , physics , composite material

A near zero dispersion flattened porous core photonic crystal fibre having ultra‐flat low material loss suitable for terahertz (THz) transmission is represented. A novel type of geometrical structure of air hole position has been proposed in this design. Numerical analysis exhibits effective material loss (EML) of 0.03746 cm −1 at 1.0 THz operating frequency and a flat EML of 0.0398 cm −1 from 1.5 to 5.0 THz with absolute EML coefficient of ±0.000416 cm −1 . The proposed waveguide shows near zero flat dispersion of 0.4 ± 0.042 ps/THz/cm in the frequency range from 1.25 to 5.0 THz.

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