Advanced Photonic Devices and Applications in Optical Communications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Optoelectronics".

Deadline for manuscript submissions: 15 September 2025 | Viewed by 436

Special Issue Editors


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Guest Editor
Nokia Bell Labs, 600 Mountain Avenue, Murray Hill, NJ 07974-0636, USA
Interests: software-defined optical networks; artificial intelligence; optical communication; performance assessment
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Computer Science and Information Systems (CS&IS), Bradley University, Peoria, IL 61625, USA
Interests: applied machine learning; cryptography algorithms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue highlights the latest advancements in photonic devices and their transformative impact on the design, performance, and scalability of optical networks. The focus is on innovative solutions that address current challenges in bandwidth demand, energy efficiency, and integration for next-generation communication systems. Contributions from researchers and professionals in both academia and industry are encouraged to create a comprehensive resource in this rapidly evolving field. Topics of interest include but are not limited to the following:

  1. Photonics Integration:
    · Development of silicon photonics and photonic integrated circuits (PICs) for optical networks.
    · Novel materials for photonic devices, such as plasmonic, graphene, and 2D materials.
    · Advances in photonic crystal and metamaterial devices for enhanced network functionality.
    · Miniaturized photonic components: modulators, lasers, and photodetectors.
  2. Optical Switching and Routing:
    · Photonic switches for data center and metro networks.
    · High-speed optical signal routing and reconfigurable optical add-drop multiplexers (ROADMs).
    · All-optical and hybrid optical–electronic network architectures.
    · Non-blocking photonic switching fabrics for hyperscale data centers.
  3. High-Capacity Transmission:
    · Coherent communication systems and advanced modulation formats.
    · Multiplexing techniques: wavelength-division multiplexing (WDM) and space-division multiplexing (SDM).
    · Ultra-high-capacity optical transmission systems.
    · Techniques for dispersion and nonlinearity compensation.
  4. Energy-Efficient Solutions:
    · Low-energy photonic devices and systems.
    · Techniques for reducing power consumption in optical networks.
    · Energy-efficient laser sources and amplifiers.
    · Green photonics for sustainable optical communication systems.
  5. Emerging Photonic Technologies:
    · Integrated optical sensors and their applications in networks.
    · Light-based computing and on-chip optical processing.
    · Photonic approaches to edge computing and fog networking.
    · Novel architectures for ultra-fast optical interconnects.

Dr. Khan Ihtesham
Dr. Sherif Abdelfattah
Guest Editors

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Keywords

  • photonic integration
  • silicon photonics
  • photonic integrated circuits (PICs)
  • optical communication systems
  • high-capacity optical transmission
  • wavelength-division multiplexing (WDM)
  • coherent communication systems
  • advanced modulation formats
  • quantum photonics
  • neuromorphic photonics
  • AI-driven optical networks
  • energy-efficient photonics
  • photonic switches
  • reconfigurable optical add-drop multiplexers (ROADMs)
  • 6G optical networks

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Published Papers (1 paper)

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14 pages, 3030 KiB  
Article
Machine Learning-Assisted Design and Optimization of a Broadband, Low-Loss Adiabatic Optical Switch
by Mohamed Mammeri, Maurizio Casalino, Teresa Crisci, Babak Hashemi, Stefano Vergari, Lakhdar Dehimi and Francesco Giuseppe Dellacorte
Electronics 2025, 14(7), 1276; https://doi.org/10.3390/electronics14071276 - 24 Mar 2025
Viewed by 256
Abstract
The demand for faster and more efficient optical communication systems has driven significant advancements in integrated photonic technologies, with optical switches playing a pivotal role in high-speed, low-latency data transmission. In this work, we introduce a novel design for an adiabatic optical switch [...] Read more.
The demand for faster and more efficient optical communication systems has driven significant advancements in integrated photonic technologies, with optical switches playing a pivotal role in high-speed, low-latency data transmission. In this work, we introduce a novel design for an adiabatic optical switch based on the thermo-optic effect using silicon-on-insulator (SOI) technology. The approach relies on slow optical signal evolution, minimizing power dissipation and addressing challenges of traditional optical switches. Machine learning (ML) techniques were employed to optimize waveguide designs, ensuring polarization-independent (PI) and single-mode (SM) conditions. The proposed design achieves low-loss and high-performance operation across a broad wavelength range (1500–1600 nm). We demonstrate the effectiveness of a Y-junction adiabatic switch, with a tapered waveguide structure, and further enhance its performance by employing thermo-optic effects in hydrogenated amorphous silicon (a-Si:H). Our simulations reveal high extinction ratios (ERs) exceeding 30 dB for TE mode and 15 dB for TM mode, alongside significant improvements in coupling efficiency and reduced insertion loss. This design offers a promising solution for integrating efficient, low-energy optical switches into large-scale photonic circuits, making it suitable for next-generation communication and high-performance computing systems. Full article
(This article belongs to the Special Issue Advanced Photonic Devices and Applications in Optical Communications)
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