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- Title
Extremely Low Loss of Photonic Crystal Fiber for Terahertz Wave Propagation in Optical Communication Applications.
- Authors
Ahmed, Fahad; Roy, Subrata; Paul, Bikash Kumar; Ahmed, Kawsar; Bahar, Ali Newaz
- Abstract
An enormously low loss symmetrical hybrid decagonal porous core spiral photonic crystal fiber (SH-PCF) has been proposed for terahertz (THz) wave guiding. The modal characteristics of the fiber and its mathematical analysis have been numerically completed using a full-vector finite element method (FEM). Simulation results show an ultra-low material loss of 0.0167 cm−1 and large effective area 1.95×106 µm2 which is 91.6 % of bulk absorption material loss at controlling frequency f=1.0 THz with a core porosity 42 %. Additionally, proposed structure establishes the comparatively higher core power fraction maintaining lower scattering loss about 1.8×10−15 dB/cm at the same operating frequency. It promises the aforementioned advantages for efficient THz wave propagation.
- Subjects
LIGHT propagation; SUBMILLIMETER waves; THEORY of wave motion; OPTICAL communications; PHOTONIC crystal fibers; CRYSTAL whiskers; BULK solids
- Publication
Journal of Optical Communications, 2020, Vol 41, Issue 4, p393
- ISSN
0173-4911
- Publication type
Article
- DOI
10.1515/joc-2018-0009