Classical ratchet effects in heterostructures with a lateral periodic potential

URN to cite this document:: urn:nbn:de:bvb:355-epub-235139
DOI to cite this document:: 10.5283/epub.23513

Olbrich, Peter ; Karch, Johannes ; Ivchenko, Eougenious ; Kamann, Josef ; März, Benjamin ; Fehrenbacher, Markus ; Weiss, Dieter ; Ganichev, Sergey

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Date of publication of this fulltext: 29 Feb 2012 08:48

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Abstract

We study terahertz radiation induced ratchet currents in low dimensional semiconductor structures with a superimposed one-dimensional lateral periodic potential. The periodic potential is produced by etching a grating into the sample surface or depositing metal stripes periodically on the sample top. Microscopically, the photocurrent generation is based on the combined action of the lateral ...