Advances in the Propagation and Coherence of Light

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optical Interaction Science".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 412

Special Issue Editors


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Guest Editor
School of Physics and Information Engineering, Minnan Normal University, Zhangzhou, China
Interests: optical singularity; orbital angular momentum; partially coherence; propagation property; coherence structure
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Guest Editor
School of Physics and Electronics, Shandong Normal University, Jinan, China
Interests: optical coherence; coherence structure; propagation; optical tweezers

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Guest Editor
School of Applied Science, Taiyuan University of Science and Technology, Taiyuan, China
Interests: beam transport and control; coherence structure; orbital angular momentum; atmospheric turbulence

Special Issue Information

Dear Colleagues,

Coherence is an intrinsic property of a light field, arising from correlations between two or more different spatial or temporal points of fluctuating electric fields. The well-known van Cittert–Zernike theorem demonstrates that a spatially incoherent source will generate a spatially coherent field in the process of propagation. The spatial coherence properties of a light source may cause changes in its spectrum, degree of polarization, and angular momentum. The propagation and coherence of light play a significant role in a wide range of applications, such as free-space optical communication and light–matter interaction.

We invite contributions that explore the theme of this Special Issue, which is titled “Advances in the Propagation and Coherence of Light”. Theoretical, numerical, and experimental papers are welcome. Topics of interest include, but are not limited to, the following research areas:

  • Spatial coherent properties of light;
  • Temporal coherent properties of light;
  • Propagation of light fields with different spatial and temporal coherence states;
  • Structured light sources with different coherence states;
  • Spatio-temporal coherent light fields;
  • Propagation of light fields with spatio-temporal coherence;
  • Partially coherent light fields;
  • The effect of optical coherence on the interaction of light with different media.

Prof. Dr. Yongtao Zhang
Dr. Xinlei Zhu
Dr. Jing Wang
Guest Editors

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Keywords

  • spatial coherence
  • temporal coherence
  • spatio-temporal coherence
  • coherence structures
  • structured light
  • light field propagation
  • partial coherence

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Published Papers (2 papers)

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Research

17 pages, 3458 KB  
Article
The Influence of Oceanic Turbulence on Fiber-Coupling Efficiency of Multi-Gaussian Shell-Mode Beams for Underwater Optical Communications
by Xiaonan Jing, Shan Lv, Jiqian Zhang, Hui Zhang, Yaru Gao, Yangsheng Yuan, Yangjian Cai and Dongmei Wei
Photonics 2025, 12(12), 1234; https://doi.org/10.3390/photonics12121234 - 17 Dec 2025
Abstract
This study theoretically investigates the coupling efficiency of multi-Gaussian Shell-mode (MGSM) beams in ocean turbulence. The expression for the fiber-coupling efficiency of the MGSM beams propagating through oceanic turbulent media is derived using the cross-spectral density function. Numerical simulations are performed to examine [...] Read more.
This study theoretically investigates the coupling efficiency of multi-Gaussian Shell-mode (MGSM) beams in ocean turbulence. The expression for the fiber-coupling efficiency of the MGSM beams propagating through oceanic turbulent media is derived using the cross-spectral density function. Numerical simulations are performed to examine the relationship between fiber-coupling efficiency and the beam order, and the scintillation index of the MGSM beams in ocean turbulence is also examined. In the analysis of transmission efficiency, the effects of the receiving aperture and source coherence on transmission efficiency are investigated, taking into account ocean turbulence induced by salinity and temperature fluctuations. The analysis of the fiber-coupling efficiency for MGSM beams presented in this work provides insights for optimizing the design of free-space optical communication systems. Full article
(This article belongs to the Special Issue Advances in the Propagation and Coherence of Light)
13 pages, 2868 KB  
Article
Propagation Properties of the COAM Matrix of Twisted Gaussian Schell-Model Beams in Non-Kolmogorov Turbulence
by Jie Miao, Jing Wang, Xianmei Qian, Wenyue Zhu, Yongtao Zhang and Jinhong Li
Photonics 2025, 12(12), 1195; https://doi.org/10.3390/photonics12121195 - 4 Dec 2025
Viewed by 223
Abstract
Based on the extended Huygens–Fresnel principle and mode expansion theory, we derive the expression for the Coherence-Orbital Angular Momentum (COAM) matrix of twisted Gaussian Schell-model (TGSM) beams propagating through non-Kolmogorov turbulence. Using numerical simulations, we compare the evolution characteristics of the COAM matrix [...] Read more.
Based on the extended Huygens–Fresnel principle and mode expansion theory, we derive the expression for the Coherence-Orbital Angular Momentum (COAM) matrix of twisted Gaussian Schell-model (TGSM) beams propagating through non-Kolmogorov turbulence. Using numerical simulations, we compare the evolution characteristics of the COAM matrix in free space and under non-Kolmogorov turbulence conditions. The study analyzes the variation patterns in the absolute values, real parts, and imaginary parts of the COAM matrix elements under different topological charges, and provides a detailed investigation of the influence of various beam parameters and turbulence parameters on these elements. The results show that by selecting appropriate parameters, the negative impact of turbulence on the correlation between orbital angular momentum (OAM) modes can be effectively mitigated. This work provides theoretical support for parameter selection and optimization in atmospheric optical communication systems. Full article
(This article belongs to the Special Issue Advances in the Propagation and Coherence of Light)
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