Braun, R.P.R.P.BraunGrosskopf, N.N.GrosskopfRohde, F.F.RohdeSchmidt, E.E.Schmidt2022-03-092022-03-091996https://publica.fraunhofer.de/handle/publica/32740310.1109/MWP.1996.662065Two optical/microwave generation techniques are discussed. 140 Mbit/s transmissions with optically generated microwaves at frequencies at of 18 and 60-70 GHz are reported. Quartz accuracy and sub-Hertz linewidths of an optical microwave generator signal are demonstrated.endigital communicationlaser beam applicationsmicrowave generationmicrowave linksoptical fibre communicationoptical frequency conversionphase shift keyingoptical heterodyning techniqueoptical upconversion techniquemicrowave transmissionoptically generated microwavesquartz accuracysub-hertz linewidthsoptical microwave generator signal140 mbit/s18 GHz60 to 70 GHz621conference paper