27-GHz bandwidth high-speed monolithic integrated optoelectronic photoreceiver consisting of a waveguide fed photodiode and an InAlAs/InGaAs-HFET traveling wave amplifier. - Stefan van Waasen; Andreas Umbach; Uwe Auer; Heinz-Gunter Bach; Ralf Michael Bertenburg; Guido Janssen; Gebre Giorgis Mekonnen; Wolfgang Passenberg; Ralf Reuter; Wolfgang Schlaak; Carsten Schramm; Günter Unterbörsch; et al. (IEEE J. Solid State Circuits, 1997)

SiGe 77GHz Automotive Radar Technology. - W. M. Huang; J. P. John; S. Braithwaite; J. Kirchgessner; I. S. Lim; D. Morgan; Y. B. Park; S. Shams; I. To; P. Welch; Ralf Reuter; Hao Li 053; et al. (ISCAS, 2007)