Trompeter, H.H.TrompeterPeschel, U.U.PeschelPertsch, T.T.PertschLederer, F.F.LedererMichaelis, D.D.MichaelisStreppel, U.U.StreppelBräuer, A.A.Bräuer2022-03-102022-03-102005https://publica.fraunhofer.de/handle/publica/34865610.1109/QELS.2005.15489132-s2.0-27144534820We experimentally demonstrate photonic Zener-tunneling in waveguide arrays biased by a transverse index gradient. We observe Bloch oscillations and Zener breakdown by monitoring the fluorescence emitted by the guided light during its propagation.enoptical waveguideperiodic systemwaveguide arraybloch oscillationZener tunnelling620conference paper