High speed ICs are key components for fast and ultrafast optical communication links. We design application specific ICs, especially devices like multiplexers and demultiplexers, linear and limiting amplifiers as well as ICs for clock and data recovery circuits that include phase detectors, voltage controlled oscillators (VCOs) and frequency dividers.

We cover a broad frequency range from 80 Gb/s optical data links down to 100 Mb/s or 1 Gb/s, e.g. for short distance communication over polymer optical fibers.

Presently we use InP-HBT and HEMT technologies in research projects and commercial Silicon Bipolar, CMOS/BiCMOS, SiGe-HBT and GaAs-MESFET technologies for industrial designs.

• 4 x 10 Gb/s pseudo-random bit sequence generator (PRBS)
• 4 x 10 Gb/s to 16 x 2,5 Gb/s demultiplexer
• Phase detector and CDR in commercial SiGe-HBT- and CMOS technologies
• Laser drivers, transimpedance and limiting amplifiers for FTTH applications

• Broadband amplifiers, demultiplexer, clock and data recovery circuits for 80 Gb/s in InP-HEMT and InP-HBT technology