Strong Exciton-Coherent Phonon Coupling in Single-Layer MoS2

Chiara Trovatello,Henrique P.C. Miranda,Alejandro Molina-Sanchez,Rocio Borrego Varillas,Cristian Manzoni,Luca Moretti,Lucia Ganzer,Margherita Maiuri,Junjia Wang,Dumitru Dumcenco,Andras Kis,Giancarlo Soavi,Andrea Carlo Marini,Ludger Wirtz,Andrea Ferrari,Giulio Cerullo,Davide Sangalli,Stefano Dal Conte

Strong Exciton-Coherent Phonon Coupling in Single-Layer MoS2

2020

Chiara Trovatello
Henrique P.C. Miranda
Alejandro Molina-Sanchez
Rocio Borrego Varillas
Cristian Manzoni
Luca Moretti
Lucia Ganzer
Margherita Maiuri
Junjia Wang
Dumitru Dumcenco
Andras Kis
Giancarlo Soavi
Andrea Carlo Marini
Ludger Wirtz
Andrea Ferrari
Giulio Cerullo
Davide Sangalli
Stefano Dal Conte

Broadband transient absorption with sub-20fs temporal resolution, supported by ab-initio calculations, quantitatively provides the strength of exciton-coherent phonon coupling in 1L-MoS2, showing a resonant profile around the C exciton.

Keywords:

Photon counting
Ultrafast laser spectroscopy
Phonon
Temporal resolution
Coupling
Exciton
Molecular physics
Raman spectroscopy
Materials science
Raman scattering

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