Optical ROSA module
Receiver Optical Sub-assembly, ROSA
ROSA consists of a photodiode, optical interface, metal and/or plastic housing and electrical interface.
The ROSA consists of a photodiode, optical interface, metal and/or plastic housing, and electrical interface. Depending upon the required functionality and application, other components may be present as well including amplifiers. It is used to receive an optical signal from a fiber and convert it back into an electrical signal.