Schmult, Stefan and Keck, Ingo and Herrle, Thomas and Wegscheider, Werner and Bichler, Max and Schuh, Dieter and Abstreiter, Gerhard
Field-effect-induced midinfrared electroluminescence of a quantum-wire-cascade structure by remote d-doping.
Applied Physics Letters 83 (10), pp. 1909-1911.
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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 delta-silicon doping, which is also responsible for charge carrier supply. The field originating from the ...
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