Ultrafast Dephasing And Coherent Exciton Dynamics In Transition Metal Dichalcogenide Bilayers

Sophia Helmrich,Ulrike Woggon,Nina Owschimikow,Kevin Sampson,Kha Tran,Xiaoqin Li

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

We investigate quantum dynamics of excitons in MoSe2 bilayers using coherent two-dimensional spectroscopy. When compared to a MoSe2 monolayer, we find ultrafast dephasing and an additional excited state absorption in the bilayer. (C) 2020 The Author(s)

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关键词

ultrafast dephasing,coherent exciton dynamics,transition metal dichalcogenide bilayers,two-dimensional spectroscopy,excited state absorption,MoSe2

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