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Field-effect-induced midinfrared electroluminescence of a quantum-wire-cascade structure by remote d-doping

Schmult, Stefan ; Keck, Ingo ; Herrle, Thomas ; Wegscheider, Werner ; Bichler, Max ; Schuh, Dieter ; Abstreiter, Gerhard
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Date of publication of this fulltext: 05 Aug 2009 13:30


We present a quantum-cascade emitter in the galliumarsenide/aluminum–galliumarsenide (GaAs/AlGaAs) heterosystem whose emission properties are controlled by an additional electric field perpendicular to the transport direction. In our case, the additional field is established by remote d-doping gives rise to an in-plane confinement creating a quantum- wire cascade. This field-effect ...


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