Receiver optical modules

The present invention relates to a photo-detector for receiving the optical module, the optical reception module in accordance with one embodiment of the present invention, having a plurality of channels; A capacitor arranged for a block formed on the photodetector thereon; A plurality of capacitors formed on the arrangement for the capacitor block; And electrical wiring connecting the electrode of the plurality of channels of the photodetector corresponding to the plurality of capacitors; includes said each of the plurality of capacitors are to be formed in the block for the capacitor arrangement distance is equal to the electrode of the corresponding channel can. According to one embodiment of the invention, it can be reduced distortion and loss of signal characteristics of the high frequency and improve the quality of the signal.