Schmeckebier, H.H.SchmeckebierLingnau, B.B.LingnauKoenig, S.S.KoenigLüdge, K.K.LüdgeMeuer, C.C.MeuerZeghuzi, A.A.ZeghuziArsenijevic, D.D.ArsenijevicStubenrauch, M.M.StubenrauchBonk, R.R.BonkKoos, C.C.KoosSchubert, C.C.SchubertPfeiffer, T.T.PfeifferBimberg, D.D.Bimberg2022-03-122022-03-122015https://publica.fraunhofer.de/handle/publica/38901910.1364/OFC.2015.Tu3I.7By exploiting different discrete optical transitions in a QD SOA, we demonstrate theoretical and experimental distortion-free simultaneous amplification of two counter-propagating 40 Gbit/s OOK signals separated by 93 nm for a wide operating-parameter range.enconference paper