Dark states in a carbon nanotube quantum dot

URN to cite this document:: urn:nbn:de:bvb:355-epub-372800
DOI to cite this document:: 10.5283/epub.37280

Donarini, Andrea

; Niklas, Michael ; Schafberger, Michael ; Paradiso, Nicola

; Strunk, Christoph

; Grifoni, Milena

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Date of publication of this fulltext: 08 May 2018 08:25

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Abstract

Illumination of atoms by resonant lasers can pump electrons into a coherent superposition of hyperfine levels which can no longer absorb the light. Such superposition is known as dark state, because fluorescent light emission is then suppressed. Here we report an all-electric analogue of this destructive interference effect in a carbon nanotube quantum dot. The dark states are a coherent ...