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<p>In this study, we explore a dual-core optical fiber nonlinear model employing the generalized exponential rational differential function method, which has not been applied to this class of systems before. We successfully derive several families of exact optical soliton solutions through effective traveling wave transformations and rational combinations of hyperbolic functions. This method produces several soliton structures such as bright–dark, bell-shaped, mixed bright–dark, and wave solitons, thus proving to be resilient, flexible, and computationally efficient. Two-dimensional and three-dimensional graphical representations are used to represent the dynamical behavior and stability characteristics of the obtained solutions under different parametric settings. The results indicate important information on the soliton propagation behavior of dual-core optical fiber systems as well as on the signal integrity tuning in wavelength division multiplexing systems and other general-purpose switching devices, including modern and next-generation photonic communication networks.</p>

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Optical soliton analysis for the dual core optical fiber nonlinear model via generalized exponential rational differential function method

  • 期刊论文

  • 发表日期：

    2026年3月31日

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  • Salim S. Mahmood,
  • Muhammad Amin S. Murad

摘要

In this study, we explore a dual-core optical fiber nonlinear model employing the generalized exponential rational differential function method, which has not been applied to this class of systems before. We successfully derive several families of exact optical soliton solutions through effective traveling wave transformations and rational combinations of hyperbolic functions. This method produces several soliton structures such as bright–dark, bell-shaped, mixed bright–dark, and wave solitons, thus proving to be resilient, flexible, and computationally efficient. Two-dimensional and three-dimensional graphical representations are used to represent the dynamical behavior and stability characteristics of the obtained solutions under different parametric settings. The results indicate important information on the soliton propagation behavior of dual-core optical fiber systems as well as on the signal integrity tuning in wavelength division multiplexing systems and other general-purpose switching devices, including modern and next-generation photonic communication networks.