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Related Experiment Video

Updated: Jun 23, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Programmable fiber-based picosecond optical pulse shaper using time-domain binary phase-only linear filtering.

Saju Thomas¹, Antonio Malacarne, Francesco Fresi

¹Institut National de la Recherche Scientifique-Energie, Matériaux et Télécommunications, Varennes, Quebec J3X 1S2, Canada.

|April 18, 2009

Summary

This summary is machine-generated.

We developed a programmable optical pulse shaper for creating arbitrary picosecond waveforms using binary phase-only filtering. This fiber-based system offers reconfigurable pulse generation for diverse applications.

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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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Area of Science:

Photonics
Optical Engineering
Signal Processing

Background:

Precise control over optical pulse shapes is crucial for advanced applications in telecommunications and spectroscopy.
Existing methods for optical pulse shaping often lack flexibility or require complex setups.

Purpose of the Study:

To demonstrate a novel fiber-based programmable optical pulse shaper capable of generating arbitrary picosecond pulse waveforms.
To implement reconfigurable time-domain filtering for flexible pulse generation.

Main Methods:

Utilized binary phase-only linear filtering implemented via an electro-optical phase modulator and a high-speed bit pattern generator.
Employed a genetic algorithm for designing the binary phase codes.
Achieved precise dispersion matching using a single linearly chirped fiber Bragg grating operated from both ends.

Main Results:

Successfully generated various pulse waveforms of practical interest.
Demonstrated the reconfigurable nature of the time-domain filtering operation.
Validated the effectiveness of the genetic algorithm for phase code design.

Conclusions:

The developed fiber-based pulse shaper offers a versatile and programmable solution for generating arbitrary picosecond optical pulses.
The system's reconfigurability and precise dispersion control pave the way for new optical signal processing techniques.