Wilk, R.R.WilkKlehr, A.A.KlehrMikulics, M.M.MikulicsHasek, T.T.HasekWalther, MartinMartinWaltherKoch, M.M.Koch2022-03-032022-03-032007https://publica.fraunhofer.de/handle/publica/21353910.1049/el:20073415Optoelectronic generation of continuous THz radiation with a compact, high power DFB laser which operates simultaneously on two longitudinal modes corresponding to the fundamental and first-order lateral modes is demonstrated. The spectral mode spacing is 0.45 nm. THz emission is obtained by mixing the two-line laser emission in an LT-GaAs0.81Sb0.19 photomixer.enterahertzDFB laserTHztime domain spectroscopylow temperature GaSb621667384journal article