Compact optical fiber amplifier module
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United States of America Patent
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-
Dec 20, 2005
Grant Date -
Jul 17, 2003
app pub date -
Jan 3, 2003
filing date -
Nov 27, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical fiber amplifier module is disclosed which comprises a signal path located between a signal input and a signal output. A WDM coupler and an amplifying gain medium are disposed along the signal path. A pump laser is disposed out of the signal path in a manner that allows a pump signal from the pump laser to reflect off the WDM coupler and enter the signal path. An embodiment utilizing a second WDM coupler and a second pump laser is also disclosed.
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