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Developing cutting-edge materials for classical and quantum technologies presents scientific challenges in understanding and managing carrier excitation, relaxation, and decoherence processes at ultrafast time scales. Quasiparticles in 2D materials and their interaction with light hold great promise for the development of quantum emitters and ultrafast manipulation of quantum states. With an introduction to ultrafast spectroscopy, our recent findings on the ultrafast carrier dynamics of quasiparticle dynamics in 2D materials, dissociation and formation of excitons, auger scattering, and bandgap renormalization processes. Finally, the advantages of combining 2D materials with plasmonic nanostructures for the next generation of quantum devices will be presented. |