Novel Far-Infrared-Photodetector based on Photon Induced Interedge Channel Scattering

URN to cite this document:: urn:nbn:de:bvb:355-epub-78632

Diessel, D. ; Müller, G. ; Weiss, Dieter ; Klitzing, Klaus von ; Ploog, K. ; Nickel, H. ; Schlapp, W. ; Lösch, R.

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Date of publication of this fulltext: 05 Aug 2009 13:57

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Abstract

We demonstrate experimentally that the far- infrared photoresponse of GaAs/AlGaAs heterostructures at photon energies corresponding to cyclotron resonance absorption is strongly enhanced in the adiabatic transport regime of the quantum Hall effect (QHE). Ideal adiabatic transport is characterized within the edge channel picture of the QHE by the absence of interedge channel scattering. We ...