The first 10 Gbit/s long-wavelength monolithic integrated photoreceive
r grown on GaAs substrate has been fabricated using a 0.3 mu m gate le
ngth AlGaAs/GaAs HEMT process. At a wavelength of 1.3 mu m the integra
ted InGaAs MSM photodiode has a DC responsivity of 0.34 A/W. The photo
receiver bandwidth is 7.1 GHz and its sensitivity is better than -14.7
dBm (BER = 10(-9)).