Möhrle, M.M.MöhrleSigmund, A.A.SigmundSuna, A.A.SunaRöhle, H.H.RöhleMörl, L.L.MörlSteingrüber, R.R.SteingrüberFürst, W.W.Fürst2022-03-102022-03-102003https://publica.fraunhofer.de/handle/publica/3441052-s2.0-1642565078All-active tapered index coupled 1.55 µm InGaAsP-BH-DFB-lasers involving chirped gratings were realized for the first time. The laser show small far-fields, high output power and high single mode yield.en621Tapered index-coupled 1.55 µm InGaAsP/InP-BH-DFB-laser with chirped-period gratingsconference paper