Moehrle, M.M.MoehrleSigmund, A.A.SigmundWagner, C.C.WagnerPrzyrembel, G.G.PrzyrembelBornholdt, C.C.BornholdtZeiler, M.M.ZeilerMoerl, L.L.Moerl2022-03-042022-03-042011https://publica.fraunhofer.de/handle/publica/22673110.1109/LPT.2011.2157677A novel tunable 1550-nm buried heterostructure (BH-) distributed feedback (DFB)-laser is presented consisting of a phase tuning section, a short cavity complex coupled DFB section, and an amplifier section with integrated optical taper. The device shows a narrow optical far-field, a high optical output power, up to 10-Gb/s direct modulation capability and a wavelength tuning range of several nanometers by varying the current in the phase section only.en621535journal article