Recent Progress in Optical Quantum Information and Communication

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

Deadline for manuscript submissions: 15 March 2026 | Viewed by 68

Special Issue Editors


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Guest Editor
Centre for Quantum Technologies, National University of Singapore, Singapore
Interests: quantum computing; ion traps; semiconductors

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Guest Editor
School of Mathematical and Physical Sciences, University of Technology Sydney, Harris Street, Building 4, Sydney, NSW 2007, Australia
Interests: quantum communication; quantum frequency conversion; quantum microscopy

Special Issue Information

Dear Colleagues,

In recent years, optical quantum technologies have taken a firm step into the spotlight, ushering in breakthroughs across quantum communication, computation, sensing, and networking. While long-standing goals, such as large-scale error-corrected quantum computers, remain aspirational, the community now recognizes the immense potential and practicality of noisy intermediate-scale quantum (NISQ) systems, especially when harnessed via optical platforms. In this Special Issue, we explore significant strides in light-source engineering, photonic integration, and nonlinear and linear optics, driving practical applications across:

  • Quantum communication: advances in key distribution, entanglement swapping, quantum repeaters, and high‑dimensional encoding in fiber, free‑space, and underwater channels;
  • Quantum networks: milestones such as photonic inter-module entanglement and distributed quantum algorithms;
  • Quantum computing and simulation: cutting-edge work in integrated quantum photonics, including chip-based gates and path-/polarization-encoded logic;
  • Photonic devices: innovations in photon sources (single‑ and entangled‑photon emitters), high‑efficiency detectors (SNSPDs/SPADs), modulators, converters, and memories;
  • Quantum sensing/imaging: exploitation of squeezed light, entanglement, and quantum coherence to improve measurement accuracy, resolution, and sensitivity.

Dr. Morteza Ahmadi
Dr. Isa Ahmadalidokht
Guest Editors

Manuscript Submission Information

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Keywords

  • optical quantum information
  • quantum communication
  • quantum networks
  • single-photon sources
  • entangled photons
  • quantum key distribution (qkd)
  • quantum frequency conversion
  • photonic quantum computing
  • quantum optics
  • nonlinear optics in quantum systems
  • photonic integrated circuits (pics)

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Published Papers

This special issue is now open for submission.
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