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Rodek, Aleksander; Hahn, Thilo; Howarth, James; Taniguchi, Takashi; Watanabe, Kenji; Potemski, Marek; Kossacki, Piotr; Wigger, Daniel; Kasprzak, Jacek, 2023, "Controlled coherent-coupling and dynamics of exciton complexes in a MoSe2 monolayer", https://doi.org/10.18150/063GR4, RepOD, V1
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The experimental/theoretical data presented is related to the article "Controlled coherent-coupling and dynamics of exciton complexes in a MoSe2 monolayer"
Quantifying and controlling the coherent dynamics and couplings of optically active excitations in solids is of paramount importance in fundamental reasearch in condensed matter optics and for their prospective optoelectronic applications in quantum technologies. Here, we perform ultrafast coherent nonlinear spectroscopy of a chargetunable MoSe2 monolayer. The experiments show that the homogeneous and inhomogenenous line width and the population decay of exciton complexes hosted by this material can be directly tuned by an applied gate bias, which governs the Fermi level and therefore the free carrier density. By performing two-dimensional spectroscopy, we also show that the same bias-tuning approach permits us to control the coherent coupling strength between charged and neutral exciton complexes.
coherent coupling, transition metal dichalcogenides, excitons, Four Wave Mixing, coherent time-resolved spectroscopy
Aleksander Rodek, Thilo Hahn, James Howarth, Takashi Taniguchi, Kenji Watanabe, Marek Potemski, Piotr Kossacki, Daniel Wigger and Jacek Kasprzak 2023 2D Mater. in press "Controlled coherent-coupling and dynamics of exciton complexes in a MoSe2 monolayer" https://doi.org/10.1088/2053-1583/acc59a https://iopscience.iop.org/article/10.1088/2053-1583/acc59a doi: 10.1088/2053-1583/acc59a
CC BY - Creative Commons Attribution 4.0
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