Nonlinear behavior of multi-excitonic recombinations in quantum dots

F.P.J. de Groote, T. Lippen, van, J.E.M. Haverkort, R. Nötzel, J.H. Wolter

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Abstract

We studied quantum dot arrays using m-PL measurements. Clear multi-excitonic spectra are observed, which are attributed to homogeneous ensembles of QDs in the array. The spectra can be explained by applying a Hartree-Fock based model including the twobody Coulomb and exchange interactions. Eight lines in the m-PL spectrum are attributed to bi-exciton, excited bi-exciton and multi-exciton transitions. These lines show a clear nonlinear behavior since they only appear at high excitation power.
Original languageEnglish
Title of host publicationProceedings of the 7th Annual Symposium of the IEEE/LEOS Benelux Chapter, december 9, 2002, Amsterdam
EditorsTaco D. Visser, Daan Lenstra
Place of PublicationAmsterdam, Netherlands
Pages119-122
Publication statusPublished - 2002
Event7th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 9, 2002, Amsterdam, The Netherlands - Amsterdam, Netherlands
Duration: 9 Dec 20029 Dec 2002

Conference

Conference7th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 9, 2002, Amsterdam, The Netherlands
CountryNetherlands
CityAmsterdam
Period9/12/029/12/02

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