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]
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Database:	Engineering Source

Description
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]
ISSN:	1816093X