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<p>This work presents a design of a solid-core photonic crystal fiber (SC-PCF). The core is made from Topas material, surrounded by three rings of equally sized hexagonal air holes. The finite element technique is employed for numerical analysis with COMSOL Multiphysics software. It is found that with porosity of 28%, the proposed SC-PCF achieved ultra-flatted dispersion through a wide bandwidth of frequency from 0.8&#xa0;THz to 1.2&#xa0;THz and negative dispersion “of -43.2958"ps/THz.cm" at 1&#xa0;THz. Further, the lowest EML for presented PCF at frequency of 1&#xa0;THz is very low and it is found to be 0.1853&#xa0;cm<sup>−1</sup> with porosity 28% compared to the PCF without porosity. Additionally, the effective area of PCF is significantly improved and the high value of 1.317 × 10<sup>−7</sup>&#xa0;m<sup>2</sup> is achieved with porosity 28% at 1&#xa0;THz compared to that of the PCF without porosity which is found to be of 1.615 × 10<sup>−5</sup>&#xa0;m<sup>2</sup>. The above results indicate that the suggested fiber can be utilized in communication systems with minimal losses and it may be used for achieving a coherent supercontinuum generating spectrum.</p>

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Theoretical modeling and analysis of flatted dispersion pores in photonic crystal fiber core

  • 期刊论文

  • 发表日期：

    2025年3月13日

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  • Mohammed Rafea Azeez Alobaidy,
  • Marwan Hafeedh Younus

摘要

This work presents a design of a solid-core photonic crystal fiber (SC-PCF). The core is made from Topas material, surrounded by three rings of equally sized hexagonal air holes. The finite element technique is employed for numerical analysis with COMSOL Multiphysics software. It is found that with porosity of 28%, the proposed SC-PCF achieved ultra-flatted dispersion through a wide bandwidth of frequency from 0.8 THz to 1.2 THz and negative dispersion “of -43.2958"ps/THz.cm" at 1 THz. Further, the lowest EML for presented PCF at frequency of 1 THz is very low and it is found to be 0.1853 cm−1 with porosity 28% compared to the PCF without porosity. Additionally, the effective area of PCF is significantly improved and the high value of 1.317 × 10−7 m2 is achieved with porosity 28% at 1 THz compared to that of the PCF without porosity which is found to be of 1.615 × 10−5 m2. The above results indicate that the suggested fiber can be utilized in communication systems with minimal losses and it may be used for achieving a coherent supercontinuum generating spectrum.