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Related Experiment Video

Updated: May 14, 2026

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

An optical FPGA: reconfigurable simultaneous multi-output spectral pulse-shaping for linear optical processing.

Jochen Schröder1, Michaël A F Roelens, Liang B Du

  • 1Centre for Ultrahigh bandwidth Devices for Optical Systems (CUDOS), Institute of Photonics and Optical Science (IPOS), The School of Physics A28, The University of Sydney, NSW 2006, Australia. jochen.schroeder@sydney.edu.au

Optics Express
|February 8, 2013
PubMed
Summary

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We developed a novel pulse-shaping method for spectrally resolved signal splitting. This technique enables flexible, reconfigurable optical circuits with complex wavelength-dependent responses, akin to electronic Field Programmable Gate Arrays.

Area of Science:

  • Photonics
  • Optical Engineering
  • Signal Processing

Background:

  • Traditional optical circuits lack reconfigurability.
  • Creating complex optical functions often requires fixed interferometers.
  • Field Programmable Gate Arrays (FPGAs) offer electronic flexibility but not optical.

Purpose of the Study:

  • To demonstrate a pulse-shaping technique for spectrally resolved signal splitting.
  • To enable reconfigurable optical circuits with complex, wavelength-dependent splitting ratios.
  • To emulate optical transfer functions for reprogrammable interferometric circuits.

Main Methods:

  • A novel pulse-shaping technique was employed.
  • Spectrally resolved splitting of input signals to multiple output ports was achieved.

Related Experiment Videos

Last Updated: May 14, 2026

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

  • The technique emulates multi-port spectral transfer functions.

    • Main Results:

    • Demonstrated reconfigurable splitters with complex wavelength-dependent ratios.
    • Successfully created a Mach-Zehnder interferometer, an all-optical discrete Fourier transform filter, and nested Mach-Zehnder interferometers.
    • Implemented a complex splitter with a triangular-shaped spectral response.

    Conclusions:

    • The pulse-shaping technique provides FPGA-like flexibility for optical circuits.
    • This method offers a new paradigm for creating reprogrammable optical interferometric circuits.
    • The demonstrated applications highlight the versatility and power of the technique.