Optical communication module

Details Optical communication module Optical communication module

H - Electricity

04

B

H04B 10/04 (2006.01) H01S 5/022 (2006.01) H01S 5/024 (2006.01) H01S 5/026 (2006.01) H01S 5/042 (2006.01) H01S 5/062 (2006.01)

Patent

CA 2282102

A Peltier cooler is situated in a module casing, and combined with a metallic block, on which a lens is mounted. A thermistor, an electroabsorption modulator integrated DFB laser (a laser unit), a monitoring photosensor are mounted on the metallic block. A signal line of a co-planar structure which is connected with a signal input pin supplied with an external signal is laid on a ceramic substrate, under which a pedestal is formed. A part of the ceramic substrate on the pedestal is removed, and an amplifier is mounted on the pedestal in condition that it approximates to the laser unit. The laser unit is connected with the amplifier by an Au wire, and the amplifier is connected with the signal line by another Au wire. According to the aforementioned configuration, an electrical length between the signal pin and the laser unit can be shortened, and a compact optical communication module having an excellent performance in a high bit rate communication can be provided.

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