Volume 188, Issue 3 pp. 955-959
Editor's Choice

Impact of Carrier Lateral Transport and Surface Recombination on the PL Efficiency of Mesas with Self-Organized Quantum Dots

M.V. Maximov

M.V. Maximov

Institute of Materials Science, Department of Electrical Engineering, University of Wuppertal, Gauss-Strasse 20, D-42097 Wuppertal, Germany

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B.V. Volovik

B.V. Volovik

Institute of Materials Science, Department of Electrical Engineering, University of Wuppertal, Gauss-Strasse 20, D-42097 Wuppertal, Germany

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C.M. Sotomayor Torres

C.M. Sotomayor Torres

Institute of Materials Science, Department of Electrical Engineering, University of Wuppertal, Gauss-Strasse 20, D-42097 Wuppertal, Germany

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E.M. Ramushina

E.M. Ramushina

A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia

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V.I. Skopina

V.I. Skopina

A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia

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E.M. Tanklevskaya

E.M. Tanklevskaya

A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia

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S.A. Gurevich

S.A. Gurevich

A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia

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V.M. Ustinov

V.M. Ustinov

A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia

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Zh.I. Alferov

Zh.I. Alferov

A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia

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N.N. Ledentsov

N.N. Ledentsov

Institut für Festkörperphysik, Technische Universität Berlin, D-10623 Berlin, Germany

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D. Bimberg

D. Bimberg

Institut für Festkörperphysik, Technische Universität Berlin, D-10623 Berlin, Germany

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Abstract

Temperature-dependent photoluminescence study was made of mesa arrays with InAs–GaAs quantum dots. The smallest 0.2 μm mesas demonstrate bright photoluminescence at 300 K indicating that using quantum dots as active medium permits dramatic reduction of surface recombination.

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