Abstract
In this letter, we present a novel slotted core fiber incorporating a slotted cladding for the terahertz band. The modal properties of the designed fiber are numerically investigated based on an efficient finite element method. Simulation results of the fiber exhibit both a low material absorption loss of 0.0103-0.0145 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> and low dispersion below 0.5 ps/THz/cm within the 0.5-0.9 THz range. In addition, a number of other features of the fiber have been evaluated.
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