Raman amplification system utilizing modulated second-order raman pumping
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United States of America Patent
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Jan 13, 2009
Grant Date -
Mar 9, 2006
app pub date -
Oct 4, 2002
filing date -
Oct 4, 2002
priority date (Note) -
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Abstract
Higher-order Raman pumping is combined with pump modulation in a Raman amplified optical communication system. First- and second-order Raman pumps are both modulated and launched in opposite direction to signals in an optical fiber. Relative timing of the pumps is controlled to optimize lateral signal power distribution along the fiber.
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