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Pump-probe detuning dependence of four-wave mixing pulse in an SOA

Kennedy, Brendan F. and Bondarczuk, Krzysztof and Barry, Liam P. (2007) Pump-probe detuning dependence of four-wave mixing pulse in an SOA. IEEE Photonics Technology Letters, 19 (24). pp. 2033-2035. ISSN 1041-1135

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Four-wave mixing (FWM) between 2-ps pulses in a multiquantum-well semiconductor optical amplifier (SOA) is presented. The conjugate pulses are fully characterized using the frequency-resolved optical gating technique. The detuning between the pump and probe is varied, leading to a compression of the FWM signal from 3.71 to 2.77 ps as the detuning is increased from 5 to 25 nm. The output conjugate pulse is always broader than the injected probe signal due to gain saturation effects. A reshaping of the conjugate pulse is also measured. However, large nonlinearities are introduced to the frequency chirp across the pulse for large detunings which may degrade the performance of four-wave-mixing-based all-optical processing applications in SOAs.

Item Type:Article (Published)
Uncontrolled Keywords:Optical pulse measurements; optical signal processing; semiconductor optical amplifiers (SOAs);
Subjects:Engineering > Optical communication
Physical Sciences > Semiconductors
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Research Initiatives and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Publisher:Institute of Electrical and Electronics Engineers
Official URL:
Copyright Information:Copyright © 2007 IEEE. Reprinted from IEEE Photonics Technology Letters.This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the Dublin City University's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
ID Code:186
Deposited On:28 Jan 2008 by DORAS Administrator. Last Modified 02 Feb 2009 13:54

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