A Comparative Analysis between Low Loss Kagome Structured THz Hollow Core and Porous Core PCF

AIUB Journal of Science and Engineering

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Title A Comparative Analysis between Low Loss Kagome Structured THz Hollow Core and Porous Core PCF
Creator Islam, Mohaiminul
Hossain, Md. Anwar
Haque, Fahmida
Subject THz Waveguide
confinement loss
Description This paper presents a comparative study between a porous core kagome lattice photonic crystal fiber (PCF) and a air filled Hollow core kagome lattice PCF (HC-PCF), which acts as a low loss and polarization maintaining tera hertz (THz) waveguide. Proposed PCFs are simulated using finite element method (FEM), including the effective material loss (EML), confinement loss and single mode propagation. Cyclic olefin copolymer, also known as TOPAS material have been chosen for the air micro structured inhibited coupled design of PCF which has the lowest bulk material absorption loss of 0.2 cm-1. Expressions are given to asses this optimization and the result are shown for the variation of core diameter from 425 μm to 600 μm for both the Hollow core and porous core PCFs and for the comparison with porous core the optimized porosity taken as 60% and 70% along with the frequency of 1THz. The analysis results approximately 80% to 90% improvement in losses in case of passing THz waves through HC-PCF rather than Porous core PCF. By varying core parameter such as core porosity and core diameter and strut width at 1THz, the goal is to show an optimized solution consisting of low EML and confinement loss for both of the wave guidance and comparing the results to analyze and hence finding out a better solution.
Publisher American International University-Bangladesh
Date 2020-01-06
Type info:eu-repo/semantics/article
Format application/pdf
Identifier http://ajse.aiub.edu/index.php/ajse/article/view/74
Source AIUB Journal of Science and Engineering (AJSE); Vol 16 No 2 (2017): AJSE Volume 16 Issue 2 (2017); 95 – 100
Language eng
Relation http://ajse.aiub.edu/index.php/ajse/article/view/74/55
Rights Copyright (c) 2020 AIUB Journal of Science and Engineering (AJSE)

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