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Generation of Inverted Dual-Period Waves in Non-Uniform Media with Gaussian Potential Using Pearcey-Gaussian Beams.

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Title: Generation of Inverted Dual-Period Waves in Non-Uniform Media with Gaussian Potential Using Pearcey-Gaussian Beams.
Authors: Gao, Chunhui1 gaochunhui@hncu.edu.cn, Zhang, Qunhui2 qhchang@aliyun.com, Deng, Yangbao3 dyb5202008@aliyun.com, Li, Lixiong4 lixiong.li@hncu.edu.cn, Zhang, Saiwen1 zhangsaiwen@hncu.edu.cn
Source: Engineering Letters. Jun2026, Vol. 34 Issue 6, p2471-2478. 8p.
Subjects: Gaussian beams, Nonlinear optical materials, Fourier analysis, Light propagation
Abstract: In recent years, the propagation properties of various types of beams in media have attracted much attention, especially Pearcey-Gaussian beams, which have become a research hotspot due to their unique properties, such as self-focusing and self-healing. However, although the propagation behavior of Pearcey-Gaussian beams in different potentials, such as linear and parabolic potentials, has been investigated, its propagation characteristics in Gaussian potentials are still understudied. In particular, there has yet to be a systematic discussion on how to control the dynamics behavior of the beam by adjusting the parameters of the Gaussian potential. This paper adopts the stepwise Fourier method to study the propagation characteristics of a Pearcey-Gaussian beam in a nonlinear medium with Gaussian potential. The results show that modulation strength P, potential center position x0, potential width d0, truncation a significantly influence the propagation properties of the Pearcey-Gaussian beam. By adjusting these parameters, the peak intensity, the period distance, and the propagation path of the beam can be precisely controlled, which provides a solid theoretical foundation and experimental guidance for optimizing the dynamic control of the beam. [ABSTRACT FROM AUTHOR]
Copyright of Engineering Letters is the property of International Association of Engineers (IAENG) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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  Data: Generation of Inverted Dual-Period Waves in Non-Uniform Media with Gaussian Potential Using Pearcey-Gaussian Beams.
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  Data: <searchLink fieldCode="AR" term="%22Gao%2C+Chunhui%22">Gao, Chunhui</searchLink><relatesTo>1</relatesTo><i> gaochunhui@hncu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Qunhui%22">Zhang, Qunhui</searchLink><relatesTo>2</relatesTo><i> qhchang@aliyun.com</i><br /><searchLink fieldCode="AR" term="%22Deng%2C+Yangbao%22">Deng, Yangbao</searchLink><relatesTo>3</relatesTo><i> dyb5202008@aliyun.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Lixiong%22">Li, Lixiong</searchLink><relatesTo>4</relatesTo><i> lixiong.li@hncu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Saiwen%22">Zhang, Saiwen</searchLink><relatesTo>1</relatesTo><i> zhangsaiwen@hncu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Letters%22">Engineering Letters</searchLink>. Jun2026, Vol. 34 Issue 6, p2471-2478. 8p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Gaussian+beams%22">Gaussian beams</searchLink><br /><searchLink fieldCode="DE" term="%22Nonlinear+optical+materials%22">Nonlinear optical materials</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+analysis%22">Fourier analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Light+propagation%22">Light propagation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In recent years, the propagation properties of various types of beams in media have attracted much attention, especially Pearcey-Gaussian beams, which have become a research hotspot due to their unique properties, such as self-focusing and self-healing. However, although the propagation behavior of Pearcey-Gaussian beams in different potentials, such as linear and parabolic potentials, has been investigated, its propagation characteristics in Gaussian potentials are still understudied. In particular, there has yet to be a systematic discussion on how to control the dynamics behavior of the beam by adjusting the parameters of the Gaussian potential. This paper adopts the stepwise Fourier method to study the propagation characteristics of a Pearcey-Gaussian beam in a nonlinear medium with Gaussian potential. The results show that modulation strength P, potential center position x0, potential width d0, truncation a significantly influence the propagation properties of the Pearcey-Gaussian beam. By adjusting these parameters, the peak intensity, the period distance, and the propagation path of the beam can be precisely controlled, which provides a solid theoretical foundation and experimental guidance for optimizing the dynamic control of the beam. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Letters is the property of International Association of Engineers (IAENG) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 2471
    Subjects:
      – SubjectFull: Gaussian beams
        Type: general
      – SubjectFull: Nonlinear optical materials
        Type: general
      – SubjectFull: Fourier analysis
        Type: general
      – SubjectFull: Light propagation
        Type: general
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      – TitleFull: Generation of Inverted Dual-Period Waves in Non-Uniform Media with Gaussian Potential Using Pearcey-Gaussian Beams.
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            NameFull: Deng, Yangbao
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            NameFull: Li, Lixiong
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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