Observation of Anomalously Strong Penetration of Terahertz Electric Field Through Terahertz-Opaque Gold Films Into a GaAs/AlGaAs Quantum Well

URN to cite this document:: urn:nbn:de:bvb:355-epub-436008
DOI to cite this document:: 10.5283/epub.43600

Ganichev, Sergey D.

; Danilov, Sergey N. ; Kronseder, Matthias

; Schuh, Dieter ; Gronwald, Imke ; Bougeard, Dominique

; Ivchenko, E. L. ; Shul'man, A. Ya.

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Date of publication of this fulltext: 20 Aug 2020 05:33

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Abstract

We observe an anomalously high electric field of terahertz (THz) radiation acting on a two-dimensional electron gas (2DEG) placed beneath a thin gold film, which, however, is supposed to be opaque at THz frequencies. We show that the anomalously strong penetration of the THz electric field through a very high conductive gold film emerges if two conditions are fulfilled simultaneously: (i) the ...