Refractive index dynamics of quantum dot based waveguide electroabsorbers

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dc.contributor.authorPiwonski, Tomasz
dc.contributor.authorPulka, Jaroslaw
dc.contributor.authorViktorov, Evgeny A.
dc.contributor.authorHuyet, Guillaume
dc.contributor.authorHoulihan, John
dc.contributor.funderScience Foundation Ireland
dc.contributor.funderHigher Education Authority
dc.contributor.funderInstitute of Technology Ireland
dc.date.accessioned2017-07-28T11:22:08Z
dc.date.available2017-07-28T11:22:08Z
dc.date.issued2010
dc.description.abstractThe refractive index dynamics of InAs/GaAs quantum dot based waveguide absorbers is studied using heterodyne pump-probe measurements. Absorption reduction due to the pump can be accompanied by either positive or negative refractive index changes depending on the wavelength used. This change in sign of the phase amplitude coupling can be understood by considering the atomlike nature of the quantum dot transitions involved. (C) 2010 American Institute of Physics. (doi:10.1063/1.3476347)en
dc.description.sponsorshipScience Foundation Ireland (Contract No. SFI 07/IN.1/I929; Tyndall National Access Program); Higher Education Authority (INSPIRE Programme, funded by the Irish Government’s Programme for Research in Third Level Institutions, Cycle 4, National Development Plan 2007–2013); Institute of Technology Ireland (Strand I Programme)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid51107
dc.identifier.citationPiwonski, T., Pulka, J., Viktorov, E. A., Huyet, G. and Houlihan, J. (2010) 'Refractive index dynamics of quantum dot based waveguide electroabsorbers', Applied Physics Letters, 97(5), pp. 051107. doi: 10.1063/1.3476347en
dc.identifier.doi10.1063/1.3476347
dc.identifier.endpage3
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued5
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4338
dc.identifier.volume97
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://aip.scitation.org/doi/abs/10.1063/1.3476347
dc.rights© 2010 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 Piwonski, T., Pulka, J., Viktorov, E. A., Huyet, G. and Houlihan, J. (2010) 'Refractive index dynamics of quantum dot based waveguide electroabsorbers', Applied Physics Letters, 97(5), pp. 051107 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3476347en
dc.subjectLasersen
dc.subjectQuantum dotsen
dc.subjectRefractive indexen
dc.subjectPhase transitionsen
dc.subjectAbsorption spectraen
dc.subjectIII-V semiconductorsen
dc.titleRefractive index dynamics of quantum dot based waveguide electroabsorbersen
dc.typeArticle (peer-reviewed)en
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