Controlling ASE in optical amplification stages implementing time modulated pump signals
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United States of America Patent
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Issued Date -
Mar 4, 2004
app pub date -
Aug 30, 2002
filing date -
Aug 30, 2002
priority date (Note) -
Abandoned
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Abstract
An optical amplifier includes at least one Raman amplification stage. The Raman amplification stage includes one or more pump sources operable to generate a plurality of pump signals capable of being delivered to a gain medium carrying an optical signal. In one particular embodiment, at least one of the plurality of pump signals comprises a time modulated pump signal and wherein an amplified spontaneous emission penalty associated with the at least one time modulated pump signal comprises no more than fifteen (15) decibels.
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