| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact optical receiver module which receives wavelength-multiplexed, different wavelength split signal light by a light-receiving element and an optical component integrated into one body, and which incorporates a preamplifier circuit, etc.SOLUTION: A rectangular package section 12 to house a light-receiving element 29 are mounted with an optical separator 26 which splits wavelength-multiplexed signal light from a receptacle section into split rays of signal light differing in wavelength and a reflector 27 which causes the split rays of signal light split by the optical separator to be each reflected toward a package bottom wall 21, the optical separator 26 and the reflector 27 being mounted on the side of a package lid 22 facing the package bottom wall. The light-receiving element to receive each of the split rays of signal light reflected by the reflector is mounted on the package bottom wall side, and a preamplifier circuit 32 or an electronic component to amplify the output signal from the light-receiving element is mounted adjacent to the light-receiving element in a space between the optical separator and the package bottom wall. |
