Quantum Optics: Advances and Applications

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Quantum Photonics and Technologies".

Deadline for manuscript submissions: closed (10 April 2026) | Viewed by 998

Editor


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Guest Editor
State Key Laboratory of Quantum Optics Technologies and Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
Interests: quantum optics; quantum information; quantum precision measurement

Special Issue Information

Dear Colleagues,

The United Nations has declared 2025 as the first “International Year of Quantum Science and Technology”, marking a new era for quantum technology. Quantum optics has evolved from theoretical foundations to practical applications, and quantum computing, with its exponentially growing power, has demonstrated the potential to far surpass traditional computers in handling certain complex problems. Quantum communication provides a theoretical guarantee for secure communication and has begun to be widely applied in practice. Additionally, quantum precision measurement technology, with ultra-high precision and sensitivity, offers technical support for fields such as environmental monitoring and geological exploration; gravitational wave interferometers are typically applied.

This Special Issue, “Quantum Optics: Advances and Applications”, will focus on cutting-edge research in the interdisciplinary field of quantum optical science, covering both the exploration of fundamental principles and transformative technological breakthroughs. We welcome original research articles, comprehensive reviews, and case studies from researchers, academicians, and industry experts.

The scope of submissions includes but is not limited to the following:

  • The preparation and measurement of quantum light sources;
  • Quantum computing and quantum simulation;
  • Fundamental issues in quantum optics;
  • Quantum effects of interactions between light fields and matter;
  • Micro- and nano-quantum optics;
  • Quantum precision measurement and quantum sensing;
  • Quantum communication and quantum key distribution.

Prof. Dr. Kui Liu
Guest Editor

Manuscript Submission Information

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Keywords

  • the preparation and measurement of quantum light sources
  • quantum computing and quantum simulation
  • fundamental issues in quantum optics
  • quantum effects of interactions between light fields and matter
  • micro- and nano-quantum optics
  • quantum precision measurement and quantum sensing
  • quantum communication and quantum key distribution

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Published Papers (1 paper)

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Research

15 pages, 4211 KB  
Article
Research on Laser Automatic Phase−Locking Technology for Atomic Interferometric Gravity Gradient Measurement
by Jipeng Wang, Bangcheng Han and Jinhai Bai
Photonics 2026, 13(3), 290; https://doi.org/10.3390/photonics13030290 - 18 Mar 2026
Viewed by 671
Abstract
Atomic interferometric gravity gradient measurement enables atomic interference by manipulating atoms with lasers of specific frequencies. Thus, the frequency and phase−locking performance of the laser system exerts a significant impact on key experimental parameters, including the loading rate and ultimate cooling temperature of [...] Read more.
Atomic interferometric gravity gradient measurement enables atomic interference by manipulating atoms with lasers of specific frequencies. Thus, the frequency and phase−locking performance of the laser system exerts a significant impact on key experimental parameters, including the loading rate and ultimate cooling temperature of atomic clouds, the state selection efficiency of Raman transitions, the contrast of atomic interference fringes, and the level of detection noise. As atomic interferometric gravity gradient measurement transitions from static laboratory measurements to mobile field operations, conventional laser frequency and phase−locking methods struggle to meet the demand for rapid re−locking after device movement and cannot achieve timely system recovery in the event of laser unlocks. This work proposes an automatic laser frequency and phase−locking system that can detect real−time deviations in laser frequency and phase and implement rapid and precise corrections. Meanwhile, by utilizing the reference signal source in the optical phase−locked loop, the system realizes laser frequency hopping to satisfy the diverse laser frequency requirements across all stages of atomic interferometric gravity gradient measurement. Full article
(This article belongs to the Special Issue Quantum Optics: Advances and Applications)
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