Transmission link with multiple order Raman pumps
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United States of America Patent
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Mar 8, 2016
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app pub date -
May 15, 2014
filing date -
May 22, 2013
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Abstract
An optical transmission link pumped with multiple orders Raman pumps on both ends of the link is disclosed. At least one first-order Raman pump and at least two higher-order Raman pumps are provided on each end for reducing optical power variation of the optical signal along the optical transmission link. Wavelengths and optical power levels of the multiple-order Raman pumps and the additional Raman pump(s) can be selected by computer simulation to lessen the spatial optical power variation of the optical signal.
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