Borri, Paola ![]() ![]() |
Official URL: http://dx.doi.org/10.1364/OE.7.000107
Abstract
We demonstrate that the transient coherent nonlinearity (coherent artifact) affecting the pump-probe response of semiconductor optical amplifiers an be experimentally separated from the incoherent transient. The technique is based on measuring the mirror component of the coherent artifact which is a background-free four wave mixing signal at a different frequency with respect to the transmitted probe in a heterodyne detection scheme. Measurements on amplifiers of different length reveal strong deviations from the commonly expected symmetric shape of the coherent artifact in case of long waveguides.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Biosciences Physics and Astronomy |
Subjects: | Q Science > QC Physics |
Publisher: | Optical Society of America |
ISSN: | 1094-4087 |
Last Modified: | 25 Oct 2022 09:44 |
URI: | https://orca.cardiff.ac.uk/id/eprint/59846 |
Citation Data
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