Optical amplifier and method
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United States of America Patent
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May 4, 2004
Grant Date -
Apr 22, 2004
app pub date -
Aug 15, 2001
filing date -
Aug 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A broad bandwidth optical amplifier (50) includes an optical pump source (52). A Raman chamber (56) is coupled to an output (54) of the optical pump source (52). An optical fiber ring (62) having a first end (64) is coupled to a first end (66) of the Raman chamber (56). A second end (60) of the optical fiber is coupled to a second end (58) of the Raman chamber (56). A doped optical fiber is coupled to a second end of the optical fiber ring. The Raman chamber produces a number resonant Raman stokes lines.
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