Phase dynamics of InAs/GaAs quantum dot semiconductor optical amplifiers

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dc.contributor.authorO'Driscoll, Ian
dc.contributor.authorPiwonski, Tomasz
dc.contributor.authorHoulihan, John
dc.contributor.authorHuyet, Guillaume
dc.contributor.authorManning, Robert J.
dc.contributor.authorCorbett, Brian M.
dc.contributor.funderScience Foundation Ireland
dc.contributor.funderIrish Research Council for Science, Engineering and Technology
dc.contributor.funderHigher Education Authority
dc.contributor.funderSixth Framework Programme
dc.date.accessioned2017-07-28T11:47:33Z
dc.date.available2017-07-28T11:47:33Z
dc.date.issued2007
dc.description.abstractThe gain and phase dynamics of InAs/GaAs quantum dot amplifiers are studied using single and two-color heterodyne pump probe spectroscopy. The relaxation of the wetting layer carrier density is shown to have a strong effect on the phase dynamics of both ground and excited state transients, while having a much weaker effect on the gain dynamics. In addition, the dynamical alpha factor may also display a constant value after an initial transient. Such behavior is strongly encouraging for reduced pattern effect operation in high speed optical networks. (c) 2007 American Institute of Physics.(DOI: 10.1063/1.2823589)en
dc.description.sponsorshipScience Foundation Ireland (Contract Nos. 01/FI/CO13 and 03/ IN.1/1340); European Commission (EU project TRIUMPH (IST-027638 STP)); Irish Research Council for Science, Engineering and Technology; Tyndall National Access Programme; Higher Education Authority (PRTLI program)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid263506
dc.identifier.citationO‘Driscoll, I., Piwonski, T., Houlihan, J., Huyet, G., Manning, R. J. and Corbett, B. (2007) 'Phase dynamics of InAs∕GaAs quantum dot semiconductor optical amplifiers', Applied Physics Letters, 91(26), pp. 263506. doi: 10.1063/1.2823589en
dc.identifier.doi10.1063/1.2823589
dc.identifier.endpage3
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued26
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4374
dc.identifier.volume91
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://aip.scitation.org/doi/abs/10.1063/1.2823589
dc.rights© 2007 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in O‘Driscoll, I., Piwonski, T., Houlihan, J., Huyet, G., Manning, R. J. and Corbett, B. (2007) 'Phase dynamics of InAs∕GaAs quantum dot semiconductor optical amplifiers', Applied Physics Letters, 91(26), pp. 263506 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.2823589en
dc.subjectLinewidth enhancement factoren
dc.subjectLasersen
dc.subjectAlphaen
dc.subjectGainen
dc.subjectQuantum dotsen
dc.subjectGround statesen
dc.subjectWettingen
dc.subjectCarrier relaxation timesen
dc.subjectNonlinear optical devicesen
dc.titlePhase dynamics of InAs/GaAs quantum dot semiconductor optical amplifiersen
dc.typeArticle (peer-reviewed)en
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