Evidence of "crossed" transitions in dots-in-a-well structures through waveguide absorption measurements

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dc.contributor.authorVisimberga, Giuseppe
dc.contributor.authorRaino, G.
dc.contributor.authorSalhi, A.
dc.contributor.authorTasco, V.
dc.contributor.authorTodaro, M. T.
dc.contributor.authorMartiradonna, L.
dc.contributor.authorDe Giorgi, M.
dc.contributor.authorPassaseo, A.
dc.contributor.authorCingolani, R.
dc.contributor.authorDe Vittorio, M.
dc.date.accessioned2017-07-28T11:47:32Z
dc.date.available2017-07-28T11:47:32Z
dc.date.issued2008
dc.description.abstractIn-plane absorption measurements were performed at room temperature by means of a waveguide transmission setup on a Stranski-Krastanov InAs dots-in-a-well system emitting at 1.3 mu m embedded in a p-i-n structure. The polarization dependence of quantum dot (QD) absorption was exploited to resolve its discrete and continuous spectral components and study them separately under reverse bias application. The quantum confined Stark effect observed in the discrete spectral component gave evidence of an upward built-in QD dipole of about 9.5x10(-29) C m. The continuous component was found to originate from electronic transitions involving a QD state and a quantum well state. (C) 2008 American Institute of Physics. (DOI: 10.1063/1.3000381)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid151112
dc.identifier.citationVisimberga, G., Rainò, G., Salhi, A., Tasco, V., Todaro, M. T., Martiradonna, L., Giorgi, M. D., Passaseo, A., Cingolani, R. and Vittorio, M. D. (2008) 'Evidence of “crossed” transitions in dots-in-a-well structures through waveguide absorption measurements', Applied Physics Letters, 93(15), pp. 151112. doi: 10.1063/1.3000381en
dc.identifier.doi10.1063/1.3000381
dc.identifier.endpage3
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued15
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4366
dc.identifier.volume93
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://aip.scitation.org/doi/abs/10.1063/1.3000381
dc.rights© 2008 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 Visimberga, G., Rainò, G., Salhi, A., Tasco, V., Todaro, M. T., Martiradonna, L., Giorgi, M. D., Passaseo, A., Cingolani, R. and Vittorio, M. D. (2008) 'Evidence of “crossed” transitions in dots-in-a-well structures through waveguide absorption measurements', Applied Physics Letters, 93(15), pp. 151112 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3000381en
dc.subjectAssembled quantum dotsen
dc.subjectPhotocurrent spectroscopyen
dc.subjectLasersen
dc.subjectQuantum dotsen
dc.subjectAbsorption spectraen
dc.subjectQuantum wellsen
dc.subjectTransmission measurementen
dc.subjectPolarizationen
dc.titleEvidence of "crossed" transitions in dots-in-a-well structures through waveguide absorption measurementsen
dc.typeArticle (peer-reviewed)en
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