Transition metal dichalcogenides (TMDs) are considered as perfect candidates for the realization of ultrafast optoelectronic devices thanks to their unique physical properties, particularly interesting in monolayer crystals. The interaction between TMDs and ultrashort, intense laser pulses is dominated by coupled carrier-exciton dynamics and unfolds on a few-femtosecond time scale. Attoscience offers the unique opportunity to investigate such fast dynamics in real time [1], probing the material response in the extreme-ultraviolet (XUV) and soft X-ray energy range. However, attosecond-resolved electron dynamics in few-layer TMDs still remains a challenging task, also because their optical response in this photon energy region is yet to be characterized.
Extreme-Ultraviolet Optical Response of Atomically Thin MoS2 Crystals / Di Palo, N.; Inzani, G.; Dolso, G. L.; Bonetti, S.; Li, Q.; Liu, F.; Zhu, X.; Giglia, A.; Mahne, N.; Pasquali, L.; D'Alessandro, M.; Malakhov, M.; Camarasa-Gómez, M.; Esteve-Paredes, J. J.; Burgos, J. J. P.; Borrego-Varillas, R.; Nisoli, M.; Picón, A.; Sangalli, D.; Lucchini, M.. - (2025), pp. 1-1. ( 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC Munich, Germany 23-27 June 2025) [10.1109/CLEO/EUROPE-EQEC65582.2025.11111161].
Extreme-Ultraviolet Optical Response of Atomically Thin MoS2 Crystals
Pasquali L.;
2025
Abstract
Transition metal dichalcogenides (TMDs) are considered as perfect candidates for the realization of ultrafast optoelectronic devices thanks to their unique physical properties, particularly interesting in monolayer crystals. The interaction between TMDs and ultrashort, intense laser pulses is dominated by coupled carrier-exciton dynamics and unfolds on a few-femtosecond time scale. Attoscience offers the unique opportunity to investigate such fast dynamics in real time [1], probing the material response in the extreme-ultraviolet (XUV) and soft X-ray energy range. However, attosecond-resolved electron dynamics in few-layer TMDs still remains a challenging task, also because their optical response in this photon energy region is yet to be characterized.
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