Resonant internal Quantum transitions and femtosecond radiative decay of excitons in monolayer WSe2

DOI to cite this document:: 10.5283/epub.32244

Pöllmann, Christoph ; Steinleitner, Philipp ; Leierseder, Ursula ; Nagler, Philipp ; Plechinger, Gerd ; Porer, Michael ; Bratschitsch, R.

; Schüller, Christian ; Korn, Tobias

; Huber, Rupert

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Date of publication of this fulltext: 24 Jul 2015 11:50

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Abstract

Atomically thin two-dimensional crystals have revolutionized materials science(1-3). In particular, monolayer transition metal dichalcogenides promise novel optoelectronic applications, owing to their direct energy gaps in the optical range(4-9). Their electronic and optical properties are dominated by Coulomb-bound electron-hole pairs called excitons(10-18), whose unusual internal structure(13), ...