Low-cost, high-speed and high-responsivity photodiodemodule employing edge-illuminated refracting-facet photodiode

A large-bandwidth (38 GHz) and high-responsivity (1 A/W) photodiode module has been developed which employs an edge-illuminated refracting-facet photodiode (RFPD). The RFPD provides a large optical axis misalignment tolerance, which enables the module fabrication costs to be reduced.