Innovations in Structured Optical Field: From Fundamentals to Applications

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

Deadline for manuscript submissions: 30 July 2026 | Viewed by 2525

Special Issue Editors

Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, China
Interests: vector optical beam; structured light; bessel beam; Poincaré sphere

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Guest Editor
Department of Physics, Nanjing University, Nanjing, China
Interests: angular momentum; vortex; gaussian distribution

Special Issue Information

Dear Colleagues,

Over the past few decades, the structured optical field—shaped by the spatial modulation of amplitude, phase, and polarization—has been a driving force in the advancement of modern optics. The properties of structured optical fields in propagation, focusing and interactions with matters enable a wide range of applications, including metrology, optical tweezers, optical communication and microscopes. In recent years, the development of high-dimensional light field manipulation has led to novel spatiotemporal and topological properties of structured optical fields, resulting in new theories and applications across optics and its interdisciplinary fields. This Special Issue highlights the latest theoretical, experimental and applied studies on structured optical fields to provide useful theoretical and technical references for interested readers. In this Special Issue, we welcome original research articles and reviews that are related to (but not limited to) the following topics:

  • High-dimensional light field manipulation;
  • Tight focusing of structured optical field;
  • Optical spin–orbital angular momentum interaction;
  • Optical micro-manipulation;
  • Topological photonics;
  • Nonlinear propagation of structured optical fields;
  • Rotational Doppler effect;
  • Spatiotemporally coupled optical fields;
  • Metrology based on structured optical field;
  • Orbital angular momentum multiplexing;
  • Metasurface.

Dr. Jia-Qi Lü
Dr. Zhi-Cheng Ren
Guest Editors

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Keywords

  • structured light
  • light field manipulation
  • vector optical field/beam
  • vortex optical beam
  • orbital angular momentum
  • rotational Doppler effect
  • holography
  • spatiotemporal optical vortices
  • spatial multiplexing

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Published Papers (2 papers)

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Research

10 pages, 2899 KB  
Article
A Deep Learning Framework for Multi-Plane Computer-Generated Holography
by Jiafeng Zeng, Yi Chen, Entong Kuang, Xinrui Li, Xiangsheng Xie and Qiang Wang
Photonics 2026, 13(3), 252; https://doi.org/10.3390/photonics13030252 - 4 Mar 2026
Viewed by 658
Abstract
Multi-plane computer-generated holography is a key technology for enabling volumetric and near-eye displays. However, its widespread adoption remains constrained by the high computational cost of phase optimization and the persistent issue of axial crosstalk between depth planes. In this work, we propose a [...] Read more.
Multi-plane computer-generated holography is a key technology for enabling volumetric and near-eye displays. However, its widespread adoption remains constrained by the high computational cost of phase optimization and the persistent issue of axial crosstalk between depth planes. In this work, we propose a physics-informed deep learning framework that directly generates holograms for 3D multi-plane displays. Our approach implements a learnable mapping from spatial distributions to depth-dependent reconstructions and incorporates a trainable Fourier transform layer, enabling end-to-end optimization entirely in the physical domain (i.e., from the hologram plane to the multi-plane reconstruction). As a result, hologram generation time is decreased significantly, while effectively suppressing crosstalk across axial planes. Experimental validation demonstrates that the obtained phase hologram successfully reconstructs sparse multi-plane structured patterns with low visible crosstalk. These results highlight the potential of deep learning to advance practical applications in dynamic 3D display and holographic optical tweezer technologies. Full article
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11 pages, 1408 KB  
Article
The Quadruple Gaussian Airy Beam and Its Propagation Properties
by Xu-Zhen Gao, Guo-Dong Tan, Ren-De Ma, Shi-Tong Xu, Ming-Sheng Niu, Hong-Zhong Cao, Zhong-Xiao Man and Yue Pan
Photonics 2025, 12(9), 874; https://doi.org/10.3390/photonics12090874 - 29 Aug 2025
Viewed by 1262
Abstract
In recent years, structured light with novel propagation properties has attracted great attention. Among these structured beams, the Airy beam is one of the most representative and widely used beams. In this paper, we propose a kind of quadruple Gaussian Airy beam (QGAB) [...] Read more.
In recent years, structured light with novel propagation properties has attracted great attention. Among these structured beams, the Airy beam is one of the most representative and widely used beams. In this paper, we propose a kind of quadruple Gaussian Airy beam (QGAB) with fourfold symmetry. The QGAB is designed by the combination of Gaussian and Airy functions, and the polarization of the QGAB can be either singular or space-variant. We experimentally generate the QGABs and further study the propagation characteristics of the QGABs with different polarization states. The QGAB enriches the family of the structured beams, and the autofocusing and self-healing properties can be applied in regions such as optical communications, optical microscopes, and optical tweezers. Full article
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