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<p>Photonic crystal fibers (PCFs) are well known for their adaptability in design and superior optical properties. Using the Finite Difference Time Domain (FDTD) method, this study describes optical features of the designed fibers. It examines how variations in structural parameters affect transmission, confinement loss, and dispersion. Additionally, the research explores how adjusting the diameter of the air holes, their pitch, and the number of air hole rings can tailor the zero dispersion wavelengths. Achieving a nearly flat dispersion profile over a broad wavelength range (0 ± 0.3 ps/ (km. nm) from 1.42 to 1.85&#xa0;μm indicates that the designed PCF can be utilised to mitigate pulse spreading effects due to Group Velocity Dispersion (GVD), thus improving signal integrity over long distances and enhancing overall system performance.</p>

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Exploring Structural And Propagation Features Of Photonic Crystal Fibers For Superior Ultrashort Pulse Delivery

  • 期刊论文

  • 发表日期：

    2025年2月4日

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  • Priyanka Talukdar,
  • Devika Phukan

摘要

Photonic crystal fibers (PCFs) are well known for their adaptability in design and superior optical properties. Using the Finite Difference Time Domain (FDTD) method, this study describes optical features of the designed fibers. It examines how variations in structural parameters affect transmission, confinement loss, and dispersion. Additionally, the research explores how adjusting the diameter of the air holes, their pitch, and the number of air hole rings can tailor the zero dispersion wavelengths. Achieving a nearly flat dispersion profile over a broad wavelength range (0 ± 0.3 ps/ (km. nm) from 1.42 to 1.85 μm indicates that the designed PCF can be utilised to mitigate pulse spreading effects due to Group Velocity Dispersion (GVD), thus improving signal integrity over long distances and enhancing overall system performance.