Current-induced heating in quantum well and quantum wire intersubband emitter structures

DOI to cite this document:: 10.5283/epub.12482

Herrle, Thomas ; Haneder, Stephan ; Tranitz, Hans-Peter ; Reinwald, Matthias ; Wegscheider, Werner

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Date of publication of this fulltext: 25 Jan 2010 13:49

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Abstract

We discuss the influence of current-induced heating on the current-voltage (I-V) characteristics and the spectral behavior in quantum well and quantum wire intersubband emitter structures. A conventional quantum cascade laser structure in the AlGaAs/GaAs material system with undoped cladding layers and an undoped active region is examined. This heterostructure serves as a first growth step for ...