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Related Experiment Video

Updated: May 27, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Time delay generation at high frequency using SOA based slow and fast light.

Perrine Berger¹, Jérôme Bourderionnet, Fabien Bretenaker

¹Thales Research & Technology, 1 av. Augustin Fresnel, 91767 Palaiseau Cedex, France. perrine.berger@thalesgroup.com

|November 24, 2011

Summary

This summary is machine-generated.

Up-converted Coherent Population Oscillations (UpCPO) overcome carrier lifetime limits for high-frequency time delays in semiconductor optical amplifiers (SOAs). This technology enables precise RF phase shifts at 16 and 35 GHz.

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Area of Science:

Photonics
Optical Communications
Semiconductor Devices

Background:

Semiconductor Optical Amplifiers (SOAs) face intrinsic carrier lifetime limitations.
Achieving high-frequency time delays in SOAs is crucial for advanced optical signal processing.

Purpose of the Study:

To demonstrate Up-converted Coherent Population Oscillations (UpCPO) for overcoming SOA limitations.
To achieve high-frequency time delays and RF phase shifts in a single SOA device.

Main Methods:

Theoretical prediction of RF phase shift linearity with RF frequency.
Experimental validation of UpCPO at 16 and 35 GHz.
Utilizing a single SOA device for time delay generation.

Main Results:

UpCPO effectively eliminates the intrinsic carrier lifetime limitation.
Generation of time delays at any high frequencies is achieved.
Linear dependence of RF phase shift on RF frequency is confirmed at 16 and 35 GHz.

Conclusions:

UpCPO is a viable technique for high-frequency time delay generation in SOAs.
This method enables precise control over RF phase shifts for optical signal processing.
The findings pave the way for enhanced performance in optical communication systems.