Schmeckebier, H.H.SchmeckebierMeuer, C.C.MeuerArsenijevi, D.D.ArsenijeviFiol, G.G.FiolSchmidt-Langhorst, C.C.Schmidt-LanghorstSchubert, C.C.SchubertEisenstein, G.G.EisensteinBimberg, D.D.Bimberg2022-03-042022-03-042012https://publica.fraunhofer.de/handle/publica/22883510.1109/LPT.2012.21986352-s2.0-84861947274Wide-range wavelength conversion using dual-pump four-wave mixing in a 1.3-m quantum-dot semiconductor optical amplifier is reported. Nonreturn-to-zero differential phase-shift keying signals of 40 Gb/s were converted over a tunable wavelength range of 45 nm, maintaining the signal fidelity and allowing error-free operation.en621535journal article