Quantum Optics: Communication, Sensing, Computing, and Simulation

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

Deadline for manuscript submissions: 20 June 2026 | Viewed by 456

Special Issue Editors

Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
Interests: quantum optimal and continuous measurement; quantum feedback operation; superconducting qubits; quantum simulation; quantum computation
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Guest Editor
School of Physics and Optoelectronics Engineering, Anhui University, Hefei, China
Interests: quantum information and computing; quantum optics
Department of Physics, Wenzhou University, Wenzhou 325035, China
Interests: cavity QED; magnon/spin wave; cavity optomechanics

Special Issue Information

Dear Colleagues,

Quantum optics has emerged as one of the most dynamic frontiers in modern physics, simultaneously advancing fundamental science and enabling transformative technologies. By harnessing the quantum properties of light and its interactions with matter, this field provides deep insights into coherence, entanglement, and measurement processes, while also laying the foundation for novel quantum information technologies. Recent progress in nonclassical light sources, high-fidelity detection methods, and engineered quantum systems is driving significant advances in quantum communication, quantum simulation, quantum sensing, and scalable quantum computing.

This Special Issue seeks to highlight cutting-edge developments in quantum optics and related areas of quantum information science, encompassing both theoretical research and experimental realizations. We invite original research articles, comprehensive reviews, and perspectives that address new concepts, experimental breakthroughs, and emerging applications. The scope is intentionally broad, ranging from foundational studies of light–matter interactions to practical implementations of quantum technologies. Our aim is to provide a platform for disseminating innovative results, fostering interdisciplinary collaboration, and accelerating the transition of quantum optical research into real-world applications across physics, information science, and engineering.

Dr. Peng Xu
Prof. Dr. Dong Wang
Dr. Wei Xiong
Guest Editors

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Keywords

  • quantum optics
  • quantum communication
  • quantum sensing and metrology
  • quantum simulation
  • quantum computation
  • quantum measurement and control

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Published Papers (1 paper)

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Research

11 pages, 1020 KB  
Article
Coherent Perfect Absorption in a Parametric Cavity-Ensemble System
by Zi-Wei Li, Yan-Xue Cheng, Ying-Xia Wu, Jiaojiao Chen and Wei Xiong
Photonics 2025, 12(11), 1135; https://doi.org/10.3390/photonics12111135 - 17 Nov 2025
Viewed by 262
Abstract
We propose a scheme to achieve CPA not only in the strong-coupling regime but also in the weak-coupling regime. The system under consideration consists of an atomic ensemble coupled to an optical cavity containing an optical parametric amplifier (OPA). We show that when [...] Read more.
We propose a scheme to achieve CPA not only in the strong-coupling regime but also in the weak-coupling regime. The system under consideration consists of an atomic ensemble coupled to an optical cavity containing an optical parametric amplifier (OPA). We show that when the OPA introduces an effective loss, CPA can occur only in the strong-coupling regime. In contrast, when the OPA provides an effective gain, CPA can emerge in both the weak- and strong-coupling regimes. We further demonstrate that in the weak-coupling regime, CPA cannot occur within the bistable region, whereas in the strong-coupling regime, CPA can indeed appear in the bistable region. Moreover, the output intensity can be flexibly controlled by tuning the effective strength and the phase of the OPA. Our work opens a potential way to design a coherent perfect absorber based on weak coupling mechanism. Full article
(This article belongs to the Special Issue Quantum Optics: Communication, Sensing, Computing, and Simulation)
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