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Photonics
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Advances in Structured Light
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Advances in Structured Light

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

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2915

Special Issue Editor

Dr. Zhiwei Cui

E-Mail Website
Guest Editor
School of Physics, Xidian University, Xi’an 710071, China
Interests: fundamental theory of structured light; laser–matter interaction and its application

Special Issue Information

Dear Colleagues,

Structured light with distinct spatial structures or spatiotemporal structures has become a research hotspot in the fields of optics and optoelectronics due to its unique physical properties and novel physical effects, as well as various promising potential applications. Typical examples of spatial structured light beams include vortex beams, non-diffracting beams, self-accelerating beams, vector light beams, partially coherent beams, tightly focused beams, and spatiotemporal light beams. Compared with conventional fundamental Gaussian laser beams, structured light beams exhibit a variety of novel physical effects and phenomena, such as phase singularity, diffraction-free propagation, transverse acceleration, high local intensity, angular momentum transfer, vector structure, autofocusing, superchirality, and so on. These new properties have led to many potential applications in various fields of science and technology, e.g., in optical micromanipulation, optical communications, microscopy, metrology, imaging, and quantum science, to name a few.

This Special Issue aims to report recent advances in structured light, including the characterization, generation, manipulation, propagation, and application of structured light beams.

Original research articles and reviews are welcome in this Special Issue. Research areas may include (but are not limited to) the following:

  • New types of structured light
  • Descriptions of structured light
  • Generation of structured light  
  • Detection of structured light
  • Manipulation of structured light
  • Propagation of structured light
  • Dynamical characteristics of structured light
  • Structured light–matter interaction
  • Structured light in turbulence
  • Structured light fields in optical fibers
  • Quantum structured light
  • Micromanipulation with structured light
  • Communications with structured light
  • Super-resolution imaging with structured light

I look forward to receiving your contributions.

Dr. Zhiwei Cui
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
  • vortex beams
  • vector beams
  • non-diffracting beams
  • accelerating beams
  • partially coherent beams
  • spatiotemporal beams

Published Papers (2 papers)

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Research

8 pages, 2745 KiB  
Communication
Vortical Differential Scattering of Twisted Light by Dielectric Chiral Particles
by Ju Wang, Zhiwei Cui, Yiyu Shi, Shenyan Guo and Fuping Wu
Photonics 2023, 10(3), 237; https://doi.org/10.3390/photonics10030237 - 22 Feb 2023
Viewed by 1033
Abstract
Twisted light carrying orbital angular momentum inherently possesses a handedness, which would produce chiroptical responses by chiral matter. In this work, a scheme of vortical differential scattering (VDS) was utilized to investigate the chiroptical responses of dielectric chiral particles to the twisted light. [...] Read more.
Twisted light carrying orbital angular momentum inherently possesses a handedness, which would produce chiroptical responses by chiral matter. In this work, a scheme of vortical differential scattering (VDS) was utilized to investigate the chiroptical responses of dielectric chiral particles to the twisted light. The simulation results showed that the dielectric chiral particles have obvious VDS signals under the illumination of twisted light with opposite topological charges. The larger the relative chiral parameter of the particles, the more obvious the VDS signals. The extreme value of the VDS signals can be enhanced by reducing the waist radius of the twisted light or by adopting the circularly polarized twisted light. In addition, non-spherical dielectric chiral particles exhibit more obvious VDS signals compared with spherical ones. These findings are expected to find potential applications in the detection and identification of chiral substances. Full article
(This article belongs to the Special Issue Advances in Structured Light)
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17 pages, 7578 KiB  
Article
Enhancing Performance of Air–Ground OAM Communication System Utilizing Vector Vortex Beams in the Atmosphere
by Mingjian Cheng, Kangjun Dong, Chenge Shi, Al-Ahsab Hassan Thabet Mohammed, Lixin Guo, Xiang Yi, Ping Wang and Juan Li
Photonics 2023, 10(1), 41; https://doi.org/10.3390/photonics10010041 - 30 Dec 2022
Cited by 3 | Viewed by 1510
Abstract
The modified uplink and downlink atmospheric turbulence channel models were established and employed to assess the system performance of air–ground orbital angular momentum (OAM) communication. The advantage of the vector vortex beam taking the place of the scalar one in the OAM communication [...] Read more.
The modified uplink and downlink atmospheric turbulence channel models were established and employed to assess the system performance of air–ground orbital angular momentum (OAM) communication. The advantage of the vector vortex beam taking the place of the scalar one in the OAM communication system operated in the atmospheric turbulence was verified, that vector vortex beam can guarantee the more homogeneous energy in the circular hollow beam profile and the less phase distortion on signal OAM in the turbulence, which can reduce OAM crosstalk and improve OAM communication performance, especially small topological charge in strong turbulent regime. With the increase in turbulence strength, the vortex beam with a larger topological charge suffered more OAM mode crosstalk, and the average BER of the OAM communication system increased. Bessel–Gaussian (BG) beams with larger beam shape parameters had the strong capability of turbulence disturbance rejection in short-distance atmospheric applications, conversely, Laguerre–Gaussian (LG) beams with suitable parameter selection were preferred for long-distance atmospheric applications. Additionally, compared to the downlink channel, the transmission of OAM mode and the related communication system in the uplink channel are dramatically deteriorated due to atmospheric turbulent effects. Full article
(This article belongs to the Special Issue Advances in Structured Light)
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