Szameit, A.A.SzameitDreisow, F.F.DreisowHeinrich, M.M.HeinrichKeil, R.R.KeilNolte, S.S.NolteTünnermann, A.A.TünnermannLonghi, S.S.Longhi2022-03-112022-03-112010https://publica.fraunhofer.de/handle/publica/366790We report on the first experimental realization of topological crystals, solely formed by a geometric potential of an undulated slab waveguide. Transport mechanisms like Bloch oscillations and Zener tunneling are demonstrated.en620conference paper