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Remote coupling in Bragg fibers.

Rumen Iliew1, Christoph Etrich, Falk Lederer

  • 1Institut für Festkörpertheorie und Theoretische Optik, Friedrich-Schiller-Universität Jena, Max-Wien-Platz, Jena, Germany. rumen.illiew@uni-jena.de

Optics Letters
|August 18, 2004
PubMed
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We developed a remote directional coupler in Bragg fibers for efficient mode conversion over long distances. This technology enables fundamental core mode transformation into an annular mode structure.

Area of Science:

  • Optics and Photonics
  • Fiber Optic Devices

Background:

  • Bragg fibers offer unique light-guiding properties.
  • Mode conversion in optical fibers is crucial for various applications.

Purpose of the Study:

  • To propose and design a remote directional coupler in Bragg fibers.
  • To achieve efficient conversion of the fundamental core mode into an annular mode structure over remote distances.

Main Methods:

  • Design of a remote directional coupler.
  • Utilizing Bragg fiber properties for mode manipulation.
  • Finite-difference time-domain (FDTD) calculations for result confirmation.

Main Results:

  • Demonstrated efficient conversion of the fundamental core mode to an annular mode.

Related Experiment Videos

  • Confirmed functionality over remote distances within Bragg fibers.
  • Provided design guidelines for such couplers.

    • Conclusions:

    • The proposed remote directional coupler is effective for mode conversion in Bragg fibers.
    • This technology enables new possibilities for signal processing and transmission in optical systems.