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<p>Data rates in optical networks have grown exponentially in recent decades and are expected to grow beyond the fundamental limits of current standard single-mode fiber networks. As such, novel transmission technologies are required to sustain this growth, and space-division multiplexing provides the most promising candidate to scale the capacity of optical networks in a way that is also cost-effective. For fiber fabrication and deployment, it is highly beneficial to use fibers with a standard cladding diameter. Here we demonstrate petabit-per-second-class data transmission using a space-division multiplexing fiber that approaches the limits of spatial multiplexing whilst minimizing the required signal processing complexity. This is done by designing and fabricating a low-loss 19-core multi-core fiber with randomly-coupled cores, a standard cladding diameter, and supporting a wideband wavelength-division multiplexed signal. The resulting data rate of 1.7 petabit/s is the highest reported amongst standard cladding diameter multi-core fibers and is approximately more than an order of magnitude higher than is supported by currently deployed single-mode fibers, paving the way for next-generation ultra-fast optical transmission networks.</p>

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Reaching the pinnacle of high-capacity optical transmission using a standard cladding diameter coupled-core multi-core fiber

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月23日

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  • Menno van den Hout,
  • Ruben S. Luís,
  • Benjamin J. Puttnam,
  • Giammarco Di Sciullo,
  • Tetsuya Hayashi,
  • Ayumi Inoue,
  • Takuji Nagashima,
  • Simon Gross,
  • Andrew Ross-Adams,
  • Michael J. Withford,
  • Lauren Dallachiesa,
  • Nicolas K. Fontaine,
  • Roland Ryf,
  • Mikael Mazur,
  • Haoshuo Chen,
  • Jun Sakaguchi,
  • Cristian Antonelli,
  • Chigo Okonkwo,
  • Hideaki Furukawa,
  • Georg Rademacher

摘要

Data rates in optical networks have grown exponentially in recent decades and are expected to grow beyond the fundamental limits of current standard single-mode fiber networks. As such, novel transmission technologies are required to sustain this growth, and space-division multiplexing provides the most promising candidate to scale the capacity of optical networks in a way that is also cost-effective. For fiber fabrication and deployment, it is highly beneficial to use fibers with a standard cladding diameter. Here we demonstrate petabit-per-second-class data transmission using a space-division multiplexing fiber that approaches the limits of spatial multiplexing whilst minimizing the required signal processing complexity. This is done by designing and fabricating a low-loss 19-core multi-core fiber with randomly-coupled cores, a standard cladding diameter, and supporting a wideband wavelength-division multiplexed signal. The resulting data rate of 1.7 petabit/s is the highest reported amongst standard cladding diameter multi-core fibers and is approximately more than an order of magnitude higher than is supported by currently deployed single-mode fibers, paving the way for next-generation ultra-fast optical transmission networks.