20-40 Gbit/s 0.2 /spl mu/m GaAs HEMT chip set for optical data receiver

Using our 0.2 pm AlGaAs-GaAs-AlGaAs quantum well HEMT technology, we have designed a chip set for 20-40 Gbit/s transmission systems. In this paper we describe five chips for the receiver side. The presented results have been measured on wafer.