Valley-selective optical excitation in monolayer WSe2 produces helicity-dependent exciton renormalization and a two-fold enhancement of sublinear photocurrent scaling, establishing the valley degree of freedom as an all-optical control for many-body excitonic interactions.
Ultrafast Response of Monolayer Molybdenum Disulfide Photodetectors
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Valley-controlled many-body exciton interactions in monolayer WSe$_2$ phototransistors
Valley-selective optical excitation in monolayer WSe2 produces helicity-dependent exciton renormalization and a two-fold enhancement of sublinear photocurrent scaling, establishing the valley degree of freedom as an all-optical control for many-body excitonic interactions.