Laser Communication Systems and Related Technologies

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "New Applications Enabled by Photonics Technologies and Systems".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 496

Special Issue Editors

Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
Interests: free-space optical communication; precision laser beam pointing control; space gravitational wave detection

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Guest Editor
Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
Interests: free space optical communication; space target detection; tracking and stabilization control

Special Issue Information

Dear Colleagues,

As the global demand for high-speed, secure, and reliable data transmission grows, laser communication systems have emerged as a transformative solution for terrestrial, airborne, and space-based applications. With the increasing need for ultra-high-speed, low-latency communication across satellite constellations, unmanned aerial vehicles (UAVs), and deep-space missions, the challenges of rapid link establishment, long-term stable beam alignment, and resilience to dynamic disturbances remain pivotal bottlenecks. Therefore, it is necessary to design fast scanning and acquisition algorithms enabled by AI-driven predictive models for rapid link establishment in high-mobility scenarios. This should be achieved alongside precision pointing, tracking, and vibration suppression techniques that integrate advanced opto-mechanical designs, MEMS-based beam steering, and real-time feedback control to combat platform jitter and atmospheric turbulence. Further, optical system miniaturization and integration for SWaP-constrained platforms should be explored, as well as low-cost innovations in components and manufacturing to drive scalable commercialization. Collectively, these efforts aim to bridge theoretical breakthroughs with deployable solutions, addressing critical challenges in dynamic alignment stability, system robustness, and cost efficiency for next-generation terrestrial, airborne, and space-based communication infrastructures. 

This Special Issue aims to explore cutting-edge advancements and interdisciplinary innovations in laser-based communication technologies, focusing on advancing the critical technologies that enable robust and efficient laser communication systems. 

In this Special Issue, both original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Fast Scanning, Acquisition, and Beam Alignment Technologies;
  • Precision Pointing, Tracking, and Vibration Mitigation;
  • Miniaturized and Integrated Laser Communication Systems;
  • Atmospheric turbulence mitigation;
  • Machine learning-enhanced disturbance suppression;
  • Standardization and Interoperability in laser communication systems;
  • Low-Cost Innovations for Scalable Deployment;
  • End-to-End System Optimization and Field Validation;
  • Emerging Applications and Cross-Disciplinary Synergies. 

We look forward to hearing from you.

Dr. Xuan Wang
Dr. Chen Wang
Guest Editors

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Keywords

  • laser communication systems
  • scanning and acquisition
  • precision pointing and tracking control
  • opto-mechanical integration
  • miniaturized transceivers
  • autonomous beam alignment
  • standardized laser networks

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Published Papers (1 paper)

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Research

17 pages, 2877 KiB  
Article
Research on High-Precision Initial Pointing for Near-Earth Laser Communication
by Yuang Li, Xuan Wang, Junfeng Han and Xinxin Quan
Photonics 2025, 12(7), 706; https://doi.org/10.3390/photonics12070706 - 12 Jul 2025
Viewed by 231
Abstract
This paper proposes a systematic ground experimental method to address the insufficient initial pointing accuracy of optical terminals in free space optical communication (FSO). By utilizing a multi-coordinate system transformation model combined with geodetic coordinates obtained from a Global Navigation Satellite System (GNSS), [...] Read more.
This paper proposes a systematic ground experimental method to address the insufficient initial pointing accuracy of optical terminals in free space optical communication (FSO). By utilizing a multi-coordinate system transformation model combined with geodetic coordinates obtained from a Global Navigation Satellite System (GNSS), the elevation and azimuth angles of the optical terminal are calculated to achieve initial pointing. High-precision horizontal installation and true north direction calibration are accomplished using a GNSS dual-antenna system and a digital inclinometer to suppress mechanical installation errors. Furthermore, an iterative stellar calibration method is proposed, leveraging ephemeris to precompute stellar positions and optimize correction values through multiple observations, significantly improving pointing accuracy. In a 104.68 km span experiment conducted in the Qinghai Lake area, the azimuth and elevation angle errors of the optical terminal were reduced to −0.0293° and −0.0068°, respectively, with the uncertainty region narrowed to 0.0586°. These results validate the effectiveness of the proposed method in high-precision rapid link establishment, providing technical support for the engineering application of satellite-to-ground laser communication. Full article
(This article belongs to the Special Issue Laser Communication Systems and Related Technologies)
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