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Strong Exciton-Coherent Phonon Coupling In Single-Layer MoS2

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Abstract

We use broadband optical pump-probe spectroscopy to study coherent optical phonons in 1L-MoS2. We detect a strong coupling with the A’1 mode, which is enhanced around the C-exciton peak. Ab-initio calculations of the phonon-induced band structure variation fully confirm this result.

© 2019 The Author(s)

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