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Ultrafast exciton dynamics

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Time-resolved measurements of the exciton dynamics in tungsten diselenide monolayers reveal ultrafast radiative recombination of the exciton ground state (∼150 fs) and the interplay between optically bright and dark excitons.

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Figure 1: Schematic of the two-colour pump–probe experiment that reveals the ultrafast exciton dynamics in a WSe2 monolayer.

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Correspondence to Xavier Marie or Bernhard Urbaszek.

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Marie, X., Urbaszek, B. Ultrafast exciton dynamics. Nature Mater 14, 860–861 (2015). https://doi.org/10.1038/nmat4398

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