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<p>The paper explores the influence of fourth-order dispersion (FOD) on the propagation of Gaussian pulses in PCF, analyzing its effects on parameters like amplitude, temporal position, full width at half maximum (FWHM), chirp, frequency shift, and phase, using the projector operator method. The study reveals that pulse parameters like amplitude, temporal position, FWHM, chirp, frequency shift, and phase are sensitive to fourth-order dispersion. The S-PCF fiber is more sensitive to fourth-order dispersion, resulting in increased amplitude and reduced pulse width without significantly affecting pulse temporal shift. A negative chirp slope leads to an increase in pulse amplitude and sharpening. The study underscores the importance of FOD in pulse propagation dynamics.</p>

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A projection operator approach to examine the impact of fourth-order dispersion in the propagation of Gaussian optical pulse in the photonic crystal fibers

  • 期刊论文

  • 发表日期：

    2025年1月28日

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  • Satyabrata Sahu,
  • P. Mohanraj,
  • R. Sivakumar

摘要

The paper explores the influence of fourth-order dispersion (FOD) on the propagation of Gaussian pulses in PCF, analyzing its effects on parameters like amplitude, temporal position, full width at half maximum (FWHM), chirp, frequency shift, and phase, using the projector operator method. The study reveals that pulse parameters like amplitude, temporal position, FWHM, chirp, frequency shift, and phase are sensitive to fourth-order dispersion. The S-PCF fiber is more sensitive to fourth-order dispersion, resulting in increased amplitude and reduced pulse width without significantly affecting pulse temporal shift. A negative chirp slope leads to an increase in pulse amplitude and sharpening. The study underscores the importance of FOD in pulse propagation dynamics.