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This work is intended to present a nested Photonic Crystal Fiber (PCF) for OAM mode propagation. The proposed PCF comprises of a dense flint SF6 and a very light flint LLF1. The finite-element method (FEM) is used for the modal analysis to obtain propagating HE/EH modes. The proposed fiber has shown flat dispersion during the propagation of multiple orbital angular momentum (OAM) modes. Furthermore, the designed PCF’s nonlinearity (gamma) and confinement loss (CL) are calculated to prove the practical feasibility of the design.

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A Design of Nested Photonic Crystal Fiber for OAM Mode Propagation

  • 会议论文

  • 发表日期：

    2025年

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  • Sushma Punia,
  • Ankur Saharia,
  • Yaseera Ismail,
  • Francesco Petruccione,
  • Anton V. Bourdine,
  • Vladimir V. Demidov,
  • Oleg G. Morozov,
  • Juan Yin,
  • Ghanshyam Singh,
  • Manish Tiwari

摘要

This work is intended to present a nested Photonic Crystal Fiber (PCF) for OAM mode propagation. The proposed PCF comprises of a dense flint SF6 and a very light flint LLF1. The finite-element method (FEM) is used for the modal analysis to obtain propagating HE/EH modes. The proposed fiber has shown flat dispersion during the propagation of multiple orbital angular momentum (OAM) modes. Furthermore, the designed PCF’s nonlinearity (gamma) and confinement loss (CL) are calculated to prove the practical feasibility of the design.