Abstract
In this paper, a new and unique design of an extremely low loss Photonic Crystal Fiber (PCF) for the Terahertz (THz) regime has been presented. Cyclic Olefin Copolymer (COC) has been used as background material (commercially known as TOPAS), because of its constant refractive index in the terahertz region (over 0.1-2.0 THz). The Finite Element Method (FEM) based COMSOL Multiphysics software version 5.4 has been used to design and calculate the properties of the proposed structure. Porosity, Polarization, Fraction of Power (PF), Effective Area, Effective Material Loss (EML) and Confinement loss have been calculated. The simulation exhibits an extremely lower Confinement Loss and Effective Material Loss (EML). Fraction of power in the core air hole has been calculated 53.785 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">%</sup> . It is anticipated that the proposed PCF can be fabricated easily for its design simplicity and can be used in several applications in the THz region.
Published Version
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