Naether, UtaUtaNaetherStützer, SimonSimonStützerVicencio, Rodrigo A.Rodrigo A.VicencioMolina, MarioMarioMolinaTünnermann, AndreasAndreasTünnermannNolte, StefanStefanNolteKottos, TsampikosTsampikosKottosChristodoulides, Demetrios N.Demetrios N.ChristodoulidesSzameit, AlexanderAlexanderSzameit2022-03-042022-03-042013https://publica.fraunhofer.de/handle/publica/23165010.1088/1367-2630/15/1/013045We experimentally observe anomalous wavepacket evolution in a realization of a one-dimensional finite binary Anderson model in the presence of short-range correlations. To this end, we employ weakly-coupled optical waveguides with propagation constants epsilon1 and epsilon2. The correlations enforce the creation of dimers, i.e. two adjacent waveguides with the same epsilon, randomly placed along the lattice. A transition from a ballistic to a superdiffusive wavepacket expansion and, eventually, to localization is observed as the contrast between the two propagation constants increases.en620530journal article