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Optical properties of low-dimensional semiconductor systems fabricated by cleaved edge overgrowth

Schuster, Robert ; Hajak, H. ; Reinwald, Matthias ; Wegscheider, Werner ; Schedelbeck, Gert ; Sedlmaier, S. ; Stopa, M. ; Birner, S. ; Vogl, P. ; Bauer, J. ; Schuh, Dieter ; Bichler, Max ; Abstreiter, Gerhard
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Date of publication of this fulltext: 11 Jan 2010 13:25


Abstract

An overview of the cleaved edge overgrowth technique, which allows the realization of atomically precise quantum structures, is presented. We explain the origin of the formation of quantum wires, which were grown with this molecular beam epitaxy method. The emission of quantum wire lasers based on these intrinsic T-shaped structures shows a strong dependence on magnetic fields. Only weak band gap ...

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