Peysokhan, M.M.PeysokhanRostami, S.S.RostamiMobini, E.E.MobiniAlbrecht, A.R.A.R.AlbrechtKuhn, S.S.KuhnHein, S.S.HeinHupel, C.C.HupelNold, J.J.NoldHaarlammert, N.N.HaarlammertSchreiber, T.T.SchreiberEberhardt, R.R.EberhardtFlores, A.S.A.S.FloresTünnermann, A.A.TünnermannSheik-Bahae, M.M.Sheik-BahaeMafi, A.A.Mafi2022-05-062022-05-062021https://publica.fraunhofer.de/handle/publica/41697210.1364/CLEO_QELS.2021.FTu2L.6We report nearly an order of magnitude improvement over the lowest temperature achieved in laser-cooling of Yb-doped silica glass. The 6K cooling relative to the ambient temperature was achieved by pumping the sample at 1035nm.englasssilicaYtterbium620conference paper