27-GHZ BANDWIDTH HIGH-SPEED MONOLITHIC INTEGRATED OPTOELECTRONIC PHOTORECEIVER CONSISTING OF A WAVE-GUIDE FED PHOTODIODE AND AN INALAS INGAAS-HFET TRAVELING-WAVE AMPLIFIER/

A monolithic integrated photoreceiver for 1.55-mu m wavelength has bee n designed for operation in a 20-Gb/s synchronous digital hierarchy sy stem (SDH/SONET), based on a new integration concept, The optoelectron ic integrated circuit (OEIC) receiver combines a waveguide-integrated pin-photodiode and a traveling wave amplifier in coplanar waveguide la yout with four InAlAs/InGaAs/InP-HFET's (0.7-mu m gate length), The re ceiver demonstrates a bandwidth of 27 GHz with a low frequency transim pedance of 40 dB Omega. This is, to our knowledge, the highest bandwid th ever reported for a monolithic integrated photoreceiver on InP, Fur thermore, a receiver sensitivity of -12 dBm in the fiber (20 Gb/s, BER = 10(-9)) and an overall optical input dynamic range of 27 dB is achi eved. Optical time domain multiplex (TDM) system experiments of the re ceiver packaged in a module show an excellently shaped eye pattern for 20 Gb/s and an overall sensitivity of -30.5 dBm (BER = 10(-9)) [inclu ding erbium doped fiber amplifiers (EDFA)].