COMPACT OPTICAL FIBER AMPLIFIER MODULE

摘要

An optical fiber amplifier module (10) is disclosed which comprises a signal path (30) located between a signal input (12) and a signal output(16). A WDM coupler (50) and an amplifying gain medium (70) are disposed along the signal path (30). A pump laser (60) is disposed out of the signal path (30) in a manner that allows a pump signal from the pump laser (60) to reflect off the WDM coupler (50) and enter the signal path (30). An embodiment utilizing a second WDM coupler and a second pump laser is also disclosed.