Multi-channel receiver optical sub assembly

摘要

Disclosed is a multi-channel receiver optical sub assembly. The a multi-channel receiver optical sub assembly includes: a multi-channel PD array, in which a plurality of photodiodes (PDs) disposed on a first capacitor, and including receiving areas disposed at centers thereof and anode electrode pads arranged in an opposite direction at an angle of 180 degrees based on the receiving areas between the adjacent PDs is monolithically integrated; a plurality of transimpedance amplifiers (TIAs) arranged on a plurality of second capacitors, respectively, and connected with the anode pads of the respective PDs through wire bonding; a submount on which the first capacitor.

主权项

1. A multi-channel receiver optical sub assembly, comprising:
a transistor outline (TO) can; a submount mounted on the TO can, the submount having a first capacitor, a plurality of second capacitors and a plurality of transmission lines mounted thereon; a multi-channel photodiode (PD) array, including a plurality of PDs, formed on the first capacitor, each PD including a receiving area at a center thereof for receiving optical signals, and an anode pad connected to the receiving area along a predetermined direction, two predetermined directions along which the anode pads of any adjacent two of the PDs are respectively connected to their corresponding receiving areas being opposite to each other; and a plurality of transimpedance amplifiers (TIAs) respectively arranged on the plurality of second capacitors, each TIA being connected with the anode pad of one of the PDs through wire bonding, wherein the TO can has a plurality of pins including
a plurality of power pins for supplying a power voltage to the plurality of PDs and the plurality of TIAs through the plurality of transmission lines,a ground pin for supplying a ground voltage to the plurality of TIAs, anda plurality of output pins for outputting signals of the plurality of TIAs.