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Quantum-Enabled Optical Communications and Networks

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".

Deadline for manuscript submissions: 25 September 2025 | Viewed by 746

Special Issue Editor


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Guest Editor
National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
Interests: quantum-enabled optical communication; quantum network; metrology

Special Issue Information

Dear Colleagues,

Recent advancements in quantum-enabled systems present a variety of new opportunities and challenges. Quantum-enabled optical communication promises to efficiently solve many of the existing problems in classical communication by exploiting the quantum properties of photons. Indeed, the versatility of off-the-shelf optical components and the rapidly advancing integrated photonics technology has opened the way to applications ranging from satellite quantum communications to fiber-based local area quantum networks. As technologies advance, researchers across the globe continue to work on developing local area quantum networks for applications in fields such as cryptography, telecommunications, and distributed computing, to form a quantum internet. All these developments open a wide range of potential new research areas in optical devices, communications, networks, and sensing applications, spanning both the near and long term.

This Special Issue welcomes broad research on key emerging areas, including topics such as quantum-enhanced security technologies in optical transmission systems, wavelength conversion and quantum computer/memory interfaces, quantum-enhanced receivers, quantum repeater network architectures for multi-partite entanglement distribution and teleportation, single-photon sources and single-photon detectors, quantum sensor networks, and distributed quantum applications.

Dr. M. V. Jabir
Guest Editor

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Published Papers (1 paper)

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Research

17 pages, 3307 KiB  
Article
Direct Generation and Non-Hermitian Regulation of Energy-Time-Polarization-Hyper-Entangled Quadphotons
by Rui Zhuang, Siqiang Zhang, Guobin Liu, Zhou Feng, Qingyu Chen, Sinong Liu and Yanpeng Zhang
Sensors 2025, 25(11), 3425; https://doi.org/10.3390/s25113425 - 29 May 2025
Viewed by 195
Abstract
Entangled multiphoton is an ideal resource for quantum information technology. Here, narrow-bandwidth hyper-entangled quadphoton is theoretically demonstrated by quantizing degenerate Zeeman sub states through spontaneous eight-wave mixing (EWM) in a hot 85Rb. Polarization-based energy-time entanglement (output) under multiple polarized dressings is presented [...] Read more.
Entangled multiphoton is an ideal resource for quantum information technology. Here, narrow-bandwidth hyper-entangled quadphoton is theoretically demonstrated by quantizing degenerate Zeeman sub states through spontaneous eight-wave mixing (EWM) in a hot 85Rb. Polarization-based energy-time entanglement (output) under multiple polarized dressings is presented in detail with uncorrelated photons and Raman scattering suppressed. High-dimensional entanglement is contrived by passive non-Hermitian characteristic, and EWM-based quadphoton is genuine quadphoton with quadripartite entanglement. High quadphoton production rate is achieved from co-action of four strong input fields, and electromagnetically induced transparency (EIT) slow light effect. Atomic passive non-Hermitian characteristic provides the system with acute coherent tunability around exceptional points (EPs). The results unveil multiple coherent channels (~8) inducing oscillations with multiple periods (~19) in quantum correlations, and high-dimensional (~8) four-body entangled quantum network (capacity ~65536). Coexistent hyper and high-dimensional entanglements facilitate high quantum information capacity. The system can be converted among three working states under regulating passive non-Hermitian characteristic via triple polarized dressing. The research provides a promising approach for applying hyper-entangled multiphoton to tunable quantum networks with high information capacity, whose multi-partite entanglement and multiple-degree-of-freedom properties help optimize the accuracy of quantum sensors. Full article
(This article belongs to the Special Issue Quantum-Enabled Optical Communications and Networks)
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