Design and modulation of vortex Hermite-Gaussian solitons and arrays in parabolic wells

IF 3.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical and Quantum Electronics Pub Date : 2025-03-12 DOI:10.1007/s11082-025-08103-5

Lingling Zhang, Lin Ke, Yanyan Guo, Jianning Wei, Qing Wang

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引用次数: 0

Abstract

Controlling the trajectories and vortex characteristics of spatial optical solitons is a significant research direction in the field of optics. This study investigates the propagation dynamics of vortex Hermite-Gaussian (VHG) beams in parabolic potential wells, introducing two key parameters: off-axis displacement and chirp to represent the beam’s initial displacement and angle. Findings indicate that low-order VHG beams can form stable solitons. Joint adjustments of off-axis displacement and chirp enable precise control over soliton trajectories, enabling propagation along elliptical or circular helical paths. The rotational dynamics of these helical paths interact with the vortex of the beams, resulting in modifications to the optical field structure. Interestingly, by adjusting soliton trajectories and vortex characteristics within soliton arrays, novel optical field structures emerge during the arrays’ expansion or contraction. These structures periodically alternate with the arrays while exhibiting rotational dynamics, demonstrating the intricate interplay between the solitons and their collective behavior. These findings present promising applications in optical information encoding. The bidirectional control over soliton trajectories and vortex characteristics offers a versatile approach for manipulating optical fields, opening new possibilities for advanced light-field customization.

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抛物线井中漩涡厄米高斯孤子和阵列的设计与调制

控制空间光孤子的轨迹和涡旋特性是光学领域的一个重要研究方向。本文研究了涡旋厄米高斯光束在抛物势阱中的传播动力学，引入了两个关键参数：离轴位移和啁啾来表示光束的初始位移和角度。研究结果表明，低阶甚高频波束可以形成稳定的孤子。离轴位移和啁啾的联合调节可以精确控制孤子轨迹，使其沿椭圆或圆形螺旋路径传播。这些螺旋路径的旋转动力学与光束的涡流相互作用，导致光场结构的改变。有趣的是，通过调整孤子阵列内的孤子轨迹和涡旋特性，在阵列扩张或收缩过程中会出现新的光场结构。这些结构周期性地与阵列交替，同时表现出旋转动力学，证明了孤子与其集体行为之间复杂的相互作用。这些发现在光学信息编码中有很好的应用前景。对孤子轨迹和涡旋特性的双向控制为操纵光场提供了一种通用的方法，为先进的光场定制开辟了新的可能性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optical and Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.60

自引率

20.00%

发文量

810

审稿时长

3.8 months

期刊介绍： Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest. Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.