Strongly reduced exciton transfer between parallel quantum wires

Karlsson, Fredrik,1974-Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland (författare)

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.

Weman, Helge,1960-Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland(Swepub:liu)helwe56 (författare)
Leifer, KlausUppsala universitet,Tillämpad materialvetenskap,Ecole Polytechnique Fédérale de Lausanne(Swepub:uu)kllei839 (författare)
Rudra, A.Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland (författare)
Kapon, E.Uppsala universitet,Experimentell fysik,Ecole Polytechnique Fédérale de Lausanne (författare)
Lyo, S.K.Sandia National Laboratories, Albuquerque, New Mexico (författare)
Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, SwitzerlandTillämpad materialvetenskap (creator_code:org_t)

Ingår i:Applied Physics Letters: AIP Publishing90:10, s. 101108-101108-30003-69511077-3118

Av författaren/redakt...: Karlsson, Fredri ...; Weman, Helge, 19 ...; Leifer, Klaus; Rudra, A.; Kapon, E.; Lyo, S.K.

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