Mid infrared emission of quantum wire cascade structures

DOI to cite this document:: 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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Date of publication of this fulltext: 05 Aug 2009 13:30

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Abstract

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 ...