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<p>This paper highlighted the cut-off wavelength and dominant guided modes estimation into multimode step index core fibers at various spectral wavelength windows. The proposed fiber refractive index is designed against radial position for five fibers per cable with multimode step index fiber shape profile. The fiber core radius of 50&#xa0;μm, eight core segements, and the fiber refractive index axis ranges from 1.42 to 1.48 is demonstrated. Effective refractive index, power in fiber core, cut-off fiber wavelength, effective fiber area and power coupled into guided modes are measured for dominant modes in multimode step index fiber at various spectral operating wavelengths. Near field light intensity/amplitude plot is demonstrated for the propagation of the launched light in the fiber core at various wavelength windows based on multimode step index fiber.</p>

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Cut-off wavelength and dominant guided modes estimation into multimode step index core fibers at various spectral wavelength windows based on RP photonic simulation

  • 期刊论文

  • 发表日期：

    2025年2月27日

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  • Padmavathi Baskaran,
  • Aarthi Elaveini Mathiyalakendran,
  • Judy Simon,
  • Nellore Kapileswar,
  • Phani Kumar Polasi,
  • Ramachandran Thandaiah Prabu,
  • Ahmed Nabih Zaki Rashed

摘要

This paper highlighted the cut-off wavelength and dominant guided modes estimation into multimode step index core fibers at various spectral wavelength windows. The proposed fiber refractive index is designed against radial position for five fibers per cable with multimode step index fiber shape profile. The fiber core radius of 50 μm, eight core segements, and the fiber refractive index axis ranges from 1.42 to 1.48 is demonstrated. Effective refractive index, power in fiber core, cut-off fiber wavelength, effective fiber area and power coupled into guided modes are measured for dominant modes in multimode step index fiber at various spectral operating wavelengths. Near field light intensity/amplitude plot is demonstrated for the propagation of the launched light in the fiber core at various wavelength windows based on multimode step index fiber.