Design and Simulation of a Novel Photonic Crystal Fiber with a Low Dispersion Coefficient in the Terahertz Band
In this paper, a hexagonal solid state photonic crystal fiber at 10 terahertz is presented. First, by finding the main conductive fashion and its dispersion, the dispersion variation evaluation is based on the constant changes of the fiber network in the main mode with the aim of achieving the least dispersion. In the next section, dispersion changes are measured and evaluated based on changes in the radius size of the cavities of the photonic crystal fiber area. Then the fiber-forming holes have become elliptical geometry, and the size of the disintegration has been discussed for this change. Finally, by changing the refractive index of the fiber region, the size of the disintegration has been investigated. The optimized structure is obtained for the geometries of all the steps that have the least disintegration. In this way, the proposed structure has a dispersion of -75×10-3 picosecond per nanometer per kilometer, which is a good fit for similar designs.
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