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Exploring the potentials of supernova detection in IceCube-Gen2
Core collapse supernovae (CCSNe) are among the most violent processes in our Universe, however, the mechanisms that drive these energetic explosions are not fully understood. MeV neutrinos carrying more than 99% of the gravitational binding energy and being released almost instantaneously after the core bounce, offer a unique probe into areas invisible to photons. The IceCube neutrino observatory located at the South Pole is the largest neutrino telescope in the world. Originally build to measure the highest-energy, TeV-PeV, neutrinos of cosmic origin, it has world-leading sensitivity to the MeV neutrino lightcurve from Galactic CCSN. In this talk, I will present the work performed for my doctoral thesis, by first introducing the general mechanisms of CCSN neutrino emission and neutrino detection in large-volume Cherenkov detectors. I continue by presenting the results of a detector prospect study aiming at quantifying the detection capabilities of fast-time features in the neutrino lightcurve for IceCube and future extensions. I finish by presenting my latest efforts on detailed simulations of the in-sensor signature from CCSN neutrinos and background sources.