Klein, H.H.KleinBornholdt, C.C.BornholdtPrzyrembel, G.G.PrzyrembelSigmund, A.A.SigmundMolzow, W.D.W.D.MolzowMoehrle, M.M.Moehrle2022-03-122022-03-122013https://publica.fraunhofer.de/handle/publica/38013310.1109/ICIPRM.2012.64033332-s2.0-84873118166We present electroabsorption modulated DFB Lasers using an identical InGaAlAs MQW core for the DFB and the EAM. Excellent 40 Gb/s modulation performance at semi-cooled operation with dynamic extinction ratios exceeding 8.3 dB are demonstrated.en62140 Gbit/s identical layer InGaAlAs-MQW electroabsorption-modulated DFB-lasers operating between 1298 nm and 1311 nmconference paper