Ultra low bending loss equiangular spiral photonic crystal fibers in the terahertz regime
Author(s) -
Arti Agrawal,
N. Kejalakshmy,
M. Uthman,
B. M. A. Rahman,
Ajeet Kumar,
K. T. V. Grattan
Publication year - 2012
Publication title -
aip advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 58
ISSN - 2158-3226
DOI - 10.1063/1.4726055
Subject(s) - photonic crystal fiber , terahertz radiation , materials science , spiral (railway) , bending , finite element method , birefringence , optical fiber , photonic crystal , optics , extrusion , optoelectronics , fiber , composite material , physics , structural engineering , engineering , mechanical engineering
An Equiangular Spiral Photonic Crystal Fiber (ES-PCF) design in Topas® for use in the Terahertz regime is presented. The design shows ultra low bending loss and very low confinement loss compared to conventional Hexagonal PCF (H-PCF). The ES-PCF has excellent modal confinement properties, together with several parameters to allow the optimization of the performance over a range of important characteristics. A full vector Finite Element simulation has been used to characterize the design which can be fabricated by a range of techniques including extrusion and drilling
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