Advanced Optical Transmission Techniques

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: 31 January 2026 | Viewed by 497

Special Issue Editors

School of Information and Electronics, Beijing Institute of Technology, Beijing, China
Interests: coherent optical communication; ultra-high speed transmission system; intelligent optical signal processing; short-reach optical interconnection
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Guest Editor
Network Technology Research Department, China Telecom Research Institute, Beijing, China
Interests: coherent optical communication; new-type fiber; coherent digital signal processing; ultra-high speed transmission system

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Guest Editor
Institute of Basic Operations Technology, China Telecom Research Institute, Beijing 102209, China
Interests: optical communications; large-capacity optical transmission; quantum communication; quantum key distribution; novel fiber

Special Issue Information

Dear Colleagues,

Since the breakthrough introduction of low-loss optical fiber and semiconductor lasers in 1970, optical communication has undergone an unprecedented revolution, evolving into the backbone of global information networks. Over the past decades, transmission capacities have surged by millions of times, enabling applications across ultra-long-distance telecommunications, mobile networks, data centers, cloud computing, and beyond. Today, as society enters a new era of data-driven d0emands—requiring higher speeds, lower latency, greater capacity, and enhanced reliability—optical communication technologies continue to push boundaries through innovations in scalability, flexibility, and cost efficiency.

This Special Issue, "Advanced Optical Transmission Techniques", aims to showcase cutting-edge research and transformative solutions addressing the challenges and opportunities in next-generation optical communication systems. We invite contributions from researchers, engineers, and industry experts to explore novel methodologies, architectures, and technologies that redefine the limits of optical transmission.

Topics of Interest

  • High-capacity transmission systems (e.g., SDM, WDM, advanced modulation formats);
  • AI-/ML-driven optimization for optical network design and signal processing;
  • Novel photonic devices and components for low-noise, low-loss transmission;
  • Coherent detection, DSP algorithms, and nonlinear compensation techniques;
  • Flexible and reconfigurable optical network architectures;
  • Integration of optical systems with 5G/6G, IoT, and edge computing;
  • Energy-efficient and cost-effective solutions for large-scale deployments;
  • Emerging technologies: quantum communication, photonic integrated circuits, and hollow-core fibers;
  • Applications in terrestrial, submarine, space, and military communications.

Dr. Zhipei Li
Dr. Xishuo Wang
Dr. Weiwen Kong
Guest Editors

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Keywords

  • high-capacity transmission systems
  • artificial intelligence optical communication
  • digital signal processing
  • data center optical interconnection
  • flexible optical network

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Published Papers (1 paper)

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Research

16 pages, 7321 KiB  
Article
Ultra-Low Loss Hybrid Anti-Resonant Hollow-Core Fiber with Double Semi-Circular Tubes Sandwiched Elliptic Tube
by Zhipei Li, Shuaihang Wang, Ran Gao, Li Li, Lei Zhu, Qi Zhang and Xiangjun Xin
Photonics 2025, 12(6), 540; https://doi.org/10.3390/photonics12060540 - 26 May 2025
Viewed by 324
Abstract
We propose a new hollow-core fiber design based on a hybrid structure of nested elliptical and semicircular tubes. We numerically investigate the loss and single-mode performance of this design in the communication band and derive the values of each parameter of the fiber [...] Read more.
We propose a new hollow-core fiber design based on a hybrid structure of nested elliptical and semicircular tubes. We numerically investigate the loss and single-mode performance of this design in the communication band and derive the values of each parameter of the fiber cladding structure that theoretically lead to the best performance of the fiber. The resulting structure has a minimum confinement loss as low as 0.00033 dB/km at 1550 nm and an astonishing extinction ratio of 2,439,607 for the higher-order modes, showing excellent loss and single-mode performance. In addition, the design also exhibits excellent bending insensitivity, with the loss gradually dropping well below 0.01 dB/km when the bending radius exceeds 14 cm. The proposed fiber structure has a very promising application in optical communication systems. Full article
(This article belongs to the Special Issue Advanced Optical Transmission Techniques)
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