Optical module

An optical module, comprising a package and a circuit board located in the package;

• wherein,
• the circuit board is provided with a signal rate transmission chip, a laser driver chip, a transimpedance limiting amplifier chip, a vertical cavity surface-emitting laser chip array and a photodetector chip array,
• the laser driver chip is electrically connected with the vertical cavity surface-emitting laser chip array, the transimpedance limiting amplifier chip is electrically connected with the photodetector chip array, and the signal rate transmission chip is electrically connected with the laser driver chip and the transimpedance limiting amplifier chip through a first microstrip line;
• the optical module further includes an optical component and an electrical interface, the optical component includes an interface end MT ferrule, a light-emitting ribbon optical cable and a light-receiving ribbon optical cable, one end of the light-emitting ribbon optical cable and one end of the light-receiving ribbon optical cable are connected with the interface end MT ferrule;
• the other end of the light-emitting ribbon optical cable is aligned with the vertical cavity surface emitting laser chip array by active coupling, the light-receiving ribbon optical cable is aligned with the photodetector chip array by active coupling, the electrical interface includes gold fingers disposed on one side of the circuit board, the gold fingers and the signal rate transmission chip are electrically connected through a second microstrip line.