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Related Experiment Video

Updated: Jun 13, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

High-order passive photonic temporal integrators.

Mohammad H Asghari¹, Chao Wang, Jianping Yao

¹Institut National de la Recherche Scientifique-Energie, Matériaux et Télécommunications (INRS-EMT),Montréal, Québec, H5A 1K6 Canada. asghari@emt.inrs.ca

|April 23, 2010

Summary

Researchers developed an ultrafast photonic integrator using fiber Bragg gratings (FBGs). This technology enables precise first- and second-order temporal integrations of complex optical signals.

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Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

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Last Updated: Jun 13, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Area of Science:

Photonics
Optical Signal Processing
Fiber Optics

Background:

Ultrafast optical signal processing requires efficient temporal integration.
Existing methods for temporal integration often lack efficiency or order flexibility.

Purpose of the Study:

To experimentally demonstrate a novel ultrafast photonic high-order (second-order) complex-field temporal integrator.
To present a general fiber Bragg grating (FBG) design approach for arbitrary-order passive temporal integrators.
To achieve significant energetic-efficiency improvements in first-order temporal integration.

Main Methods:

Utilizing a single apodized uniform-period fiber Bragg grating (FBG) for device fabrication.
Implementing a general FBG design methodology for optimized arbitrary-order photonic passive temporal integrators.
Experimental testing and validation of fabricated FBG devices for temporal integration.

Main Results:

Successful demonstration of the first-order photonic passive temporal integrator with over an order of magnitude improvement in energetic efficiency.
Successful demonstration of the second-order photonic passive temporal integrator.
Accurate and efficient temporal integration of ultrafast complex-field optical signals with temporal features as fast as approximately 2.5 ps.

Conclusions:

The developed FBG-based approach enables the creation of efficient, arbitrary-order photonic passive temporal integrators.
This work represents a significant advancement in ultrafast optical signal processing capabilities.
The demonstrated technology paves the way for enhanced performance in various photonic applications.