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Strongly reduced exciton transfer between parallel quantum wires
Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland.
Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland.
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2007 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 90, no 10, 101108-101108-3 p.Article in journal (Refereed) Published
Abstract [en]

Exciton transfer between two parallel GaAs V-groove quantum wires or two planar quantum wells separated by AlGaAs barriers ranging from 5.5 nm to 20 nm thickness is studied by photoluminescence and photoluminescence excitation spectroscopy. It is found that the transfer is strongly reduced between the widely spaced quantum wires as compared with quantum wells. This observation is supported by model calculations, which yield strong dimensionality dependence of the photon-exchange transfer.

Place, publisher, year, edition, pages
2007. Vol. 90, no 10, 101108-101108-3 p.
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Natural Sciences Engineering and Technology
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URN: urn:nbn:se:uu:diva-13607DOI: 10.1063/1.2711757OAI: oai:DiVA.org:uu-13607DiVA: diva2:41377
Available from: 2008-01-23 Created: 2008-01-23 Last updated: 2016-04-11Bibliographically approved

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Leifer, Klaus

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