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Influence of co- and counter-propagating light on the phase-mismatch effect in semiconductor optical amplifiers


Kharraz, Osayd M. and M. J., Connelly and Supaat, Abu Sahmah and Abas, Ahmad Fauzi and Alresheedi, Mohammed Thamer and Mahdi, Mohd Adzir (2020) Influence of co- and counter-propagating light on the phase-mismatch effect in semiconductor optical amplifiers. Optics and Laser Technology, 125. art. no. 106032. pp. 1-7. ISSN 0030-3992


The phase-mismatch effect, caused by the difference in confinement factor between transverse electric (TE) and transverse magnetic (TM) modes, has not been observed in semiconductor optical amplifiers (SOAs) and is not typically accounted for. In this work, we investigate the characteristics of the phase-mismatch four wave mixing (FWM) effect, which occurs in SOA devices. Our results reveal a sinc-like response in the intensity of co- and counter-FWM conjugates as a function of the detuning shift between interacting beams. It is demonstrated that the coherence lengths between the phase match/mismatch cycles differ between co- and counter-propagating nondegenerate FWM experiments and depend on the amplified TE/TM polarizations of interacting waves aligned with respect to the birefringent axes of SOAs. The coherence lengths between each phase match/mismatch cycle in co-propagation experiments are found to be 1600 and infinite GHz, respectively, compared to 800 and 400 GHz found in counter-propagation experiments.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1016/j.optlastec.2019.106032
Publisher: Elsevier
Keywords: Coherence length; Four-wave mixing; Phase match/mismatch; Semiconductor optical amplifiers
Depositing User: Ms. Nuraida Ibrahim
Date Deposited: 03 Sep 2021 05:18
Last Modified: 03 Sep 2021 05:18
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.optlastec.2019.106032
URI: http://psasir.upm.edu.my/id/eprint/89357
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