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Related Experiment Video

Updated: May 23, 2025

Writing Bragg Gratings in Multicore Fibers
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Fiber-based angular demultiplexer using nanoprinted periodic structures on single-mode multicore fibers.

Oleh Yermakov1,2, Matthias Zeisberger3, Henrik Schneidewind3

  • 1Department of Fiber Photonics, Leibniz Institute of Photonic Technology, Jena, Germany. oe.yermakov@gmail.com.

Nature Communications
|March 7, 2025
PubMed
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This summary is machine-generated.

We developed a new fiber optic device using nanostructures for efficient light beam analysis. This technology enables precise angular demultiplexing and remote light collection for various applications.

Area of Science:

  • Photonics
  • Nanotechnology
  • Optical Engineering

Background:

  • Precise light beam analysis is crucial for integrated photonics.
  • Traditional methods face challenges in compact angular demultiplexing.
  • Efficient light collection and analysis are needed for advanced applications.

Purpose of the Study:

  • To present a novel fiber-based approach for angular demultiplexing.
  • To demonstrate efficient light collection using nanostructure-enhanced multicore fibers.
  • To explore applications in telecommunications, sensing, and integrated photonics.

Main Methods:

  • Utilizing angle-sensitive coupling in nanostructure-enhanced multicore fibers.
  • Employing axially symmetric nanoprinted structures for light distribution.

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  • Implementing algorithmically optimized nanostructures on a seven-core single-mode fiber facet via 3D nanoprinting.

    • Main Results:

    • Achieved efficient angular demultiplexing through higher diffraction orders.
    • Demonstrated unprecedented in-coupling efficiency over wide incident angles.
    • Confirmed functionality as both an angular demultiplexer and a remote light collector.

    Conclusions:

    • The novel fiber-based nanostructure approach offers efficient remote light collection and analysis.
    • This technology enables new possibilities for high-capacity telecommunications and sensing.
    • The integration of multicore fibers and fiber-based nanostructures advances photonic applications.