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Photonics
Special Issues
Advances in Structured Light: Propagation, Scattering, and Applications
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Advances in Structured Light: Propagation, Scattering, and Applications

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: 10 October 2025 | Viewed by 1446

Special Issue Editor

Dr. Mingjian Cheng

E-Mail Website
Guest Editor
School of Physics, Xidian University, South Taibai Road 2, Xi’an 710071, China
Interests: structured light; propagation; scattering; optical turbulence; optical communication; remote sensing; machine learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Structured light has emerged as a powerful tool for manipulating and understanding complex optical phenomena, revolutionizing various fields ranging from imaging and microscopy to communication and material science. This Special Issue aims to highlight recent advancements in structured light research, focusing on its propagation, scattering, and multifaceted applications and providing valuable insights into the underlying physics and engineering involved.

The propagation of structured light involves the generation, manipulation, and transmission of structured light with precisely tailored spatial or spectral structures. Furthermore, the propagation and scattering of structured light play a crucial role in understanding light–matter interactions in complex media, enabling the development of new imaging and sensing techniques and the exploration of fundamental phenomena.

Moreover, this Special Issue will also showcase the diverse applications enabled by structured light. Optical communications, for instance, greatly benefit from structured light, as it enables increased data capacity and enhanced security measures. Imaging techniques such as optical coherence tomography and fluorescence microscopy also derive significant advantages from structured light illumination, resulting in improved resolution and contrast. Furthermore, structured light finds applications in optical trapping and manipulation, laser material processing, and quantum information science, further exemplifying its versatility and potential.

Dr. Mingjian Cheng
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Photonics is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • structured light
  • propagation
  • scattering
  • optical turbulence
  • light–matter interactions
  • imaging techniques
  • optical communications
  • optical trapping
  • laser material processing
  • quantum information science

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

14 pages, 7661 KiB  
Article
Single Scattering Dynamics of Vector Bessel–Gaussian Beams in Winter Haze Conditions
by Yixiang Yang, Yuancong Cao, Wenjie Jiang, Lixin Guo and Mingjian Cheng
Photonics 2025, 12(3), 182; https://doi.org/10.3390/photonics12030182 - 22 Feb 2025
Viewed by 409
Abstract
This study investigates the scattering dynamics of vector Bessel–Gaussian (BG) beams in winter haze environments, with a particular emphasis on the influence of ice-coated haze particles on light propagation. Employing the Generalized Lorenz–Mie Theory (GLMT), we analyze the scattering coefficients of particles transitioning [...] Read more.
This study investigates the scattering dynamics of vector Bessel–Gaussian (BG) beams in winter haze environments, with a particular emphasis on the influence of ice-coated haze particles on light propagation. Employing the Generalized Lorenz–Mie Theory (GLMT), we analyze the scattering coefficients of particles transitioning from water to ice coatings under varying atmospheric conditions. Our results demonstrate that the presence of ice coatings significantly alters the scattering and extinction efficiencies of BG beams, revealing distinct differences compared to particles coated with water. Furthermore, the study examines the role of Orbital Angular Momentum (OAM) modes in shaping scattering behavior. We show that higher OAM modes, characterized by broader energy distributions and larger beam spot sizes, induce weaker localized interactions with individual particles, leading to diminished scattering and attenuation. In contrast, lower OAM modes, with energy concentrated in smaller regions, exhibit stronger interactions with particles, thereby enhancing scattering and attenuation. These findings align with the Beer–Lambert law in the single scattering regime, where beam intensity attenuation is influenced by the spatial distribution of radiation, while overall power attenuation follows the standard exponential decay with respect to propagation distance. The transmission attenuation of BG beams through haze-laden atmospheres is further explored, emphasizing the critical roles of particle concentration and humidity. This study provides valuable insights into the interactions between vector BG beams and atmospheric haze, advancing the understanding of optical communication and environmental monitoring in hazy conditions. Full article
(This article belongs to the Special Issue Advances in Structured Light: Propagation, Scattering, and Applications)
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13 pages, 12682 KiB  
Article
Creation of Bessel–Gaussian Beams from Necklace Beams via Second-Harmonic Generation
by Nikolay Dimitrov, Kiril Hristov, Maya Zhekova and Alexander Dreischuh
Photonics 2025, 12(2), 119; https://doi.org/10.3390/photonics12020119 - 28 Jan 2025
Viewed by 572
Abstract
The interest in (quasi-)nondiffracting beams is rooted in applications spanning from secure sharing cryptographic keys real-world free-space optical communications and high-order harmonic generation to high-aspect-ratio nanochannel machining, photopolymerization, and nanopatterning, just to mention a few. In this work, we explore the robustness of [...] Read more.
The interest in (quasi-)nondiffracting beams is rooted in applications spanning from secure sharing cryptographic keys real-world free-space optical communications and high-order harmonic generation to high-aspect-ratio nanochannel machining, photopolymerization, and nanopatterning, just to mention a few. In this work, we explore the robustness of the approach for generating Bessel–Gaussian beams by Fourier transforming ring-shaped beams and push the limits further. Here, instead of ring-shaped beams, we use strongly azimuthally modulated necklace beams. Necklace structures are generated by interference of OV beams that carry equal topological charges of opposite signs. In order to effectively account for the azimuthal π-phase jumps in the necklace beams, we first generate their second harmonic, thereafter focusing (i.e., Fourier transforming) them with a thin lens. In this way, we successfully create Bessel–Gaussian beams in the second harmonic of a pump beam with strong azimuthal modulation. The experimental data presented are in good agreement with the developed analytical model. Full article
(This article belongs to the Special Issue Advances in Structured Light: Propagation, Scattering, and Applications)
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