InP-based waveguide-integrated photodetector with 100-GHz bandwidth

A waveguide-integrated photodetector is presented, exhibiting a bandwidth of 100 GHz. The responsivity amounts to 0.66 A/W and the PDL is below 0.9 dB. The detector chip is designed to obtain a Bessel filter-shaped transfer characteristic when packaged in a module comprising a 1-mm connector.