Mid infrared emission of quantum wire cascade structures

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.1628

Schmult, Stefan ; Keck, Ingo ; Herrle, Thomas ; Wegscheider, Werner ; Mayer, Andreas P. ; Bichler, Max ; Schuh, Dieter ; Abstreiter, Gerhard

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Veröffentlichungsdatum dieses Volltextes: 05 Aug 2009 13:30

Alternative Links zum Volltext:DOI Verlag

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Zusammenfassung

A novel mid infrared emitting GaAs/AlGaAs quantum wire cascade device is presented that is fabricated using the cleaved edge overgrowth technique. The samples are pumped electrically. Radiative electronic transitions between discrete energy levels in coupled quantum wires are calculated for such a structure. Operation current dependent mid infrared emission is observed at a peak wave ...