Klehr, A.A.KlehrFricke, J.J.FrickeKnauer, A.A.KnauerErbert, G.G.ErbertWalther, MartinMartinWaltherWilk, R.R.WilkKoch, M.M.Koch2022-03-102022-03-102007https://publica.fraunhofer.de/handle/publica/35747210.1109/CLEOE-IQEC.2007.43859852-s2.0-51249122441We report on high power DFB lasers emitting simultaneously on two longitudinal modes. The mode spacing is 0.45 nm corresponding to 0.12 THz. We demonstrate THz emission by mixing the two line laser emission in a LT-GaAsSb photomixer.en667conference paper