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Updated: May 12, 2026

Writing Bragg Gratings in Multicore Fibers
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Fully-elastic multi-granular network with space/frequency/time switching using multi-core fibres and programmable

N Amaya1, M Irfan, G Zervas

  • 1High-performance Networks Group, University of Bristol, United Kingdom. namayago@hotmail.com

Optics Express
|April 11, 2013
PubMed
Summary

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This study introduces the first elastic, multi-granular optical network using multi-core fiber (MCF) links. The novel network architecture achieves over 6000-fold bandwidth granularity with good performance.

Area of Science:

  • Optical networking
  • Telecommunications engineering

Background:

  • Elastic optical networks (EONs) are crucial for flexible bandwidth allocation.
  • Space division multiplexing (SDM) using multi-core fibers (MCF) increases network capacity.
  • Current networks lack multi-dimensional switching and fine-grained bandwidth control.

Purpose of the Study:

  • To develop and demonstrate the first elastic, space division multiplexing, and multi-granular optical network.
  • To enable traffic switching across space, frequency, and time dimensions.
  • To achieve a high degree of bandwidth granularity.

Main Methods:

  • Utilized two 7-core MCF links.
  • Employed four programmable optical nodes for traffic switching.
  • Implemented switching across space, frequency, and time domains.

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Related Experiment Videos

Last Updated: May 12, 2026

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

  • Demonstrated multi-granular bandwidth control exceeding 6000-fold granularity.

    • Main Results:

    • Successfully demonstrated an elastic, multi-granular network.
    • Achieved over 6000-fold bandwidth granularity.
    • Observed good end-to-end performance across all channels.
    • Reported power penalties ranging from 0.75 dB to 3.7 dB.

    Conclusions:

    • The proposed network architecture is feasible and offers significant advancements in optical networking.
    • The multi-dimensional switching and multi-granular control provide unprecedented flexibility.
    • The achieved performance metrics validate the network's practical applicability.