Multi-wavelength optical pump
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United States of America Patent
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Sep 19, 2000
Grant Date -
N/A
app pub date -
Nov 1, 1996
filing date -
Nov 1, 1996
priority date (Note) -
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Abstract
A high-powered optical pump includes at least two sub-pumps. Each sub-pump generates light at different wavelengths. The outputs of the sub-pumps are coupled to a remote pump fiber. The resulting light transmitted on the remote pump fiber results in a lower Raman gain and Raman noise spectral peak than that generated by existing single wavelength high-powered optical pumps at the same power level. Therefore, increased power can be transmitted on the remote pump fiber in contrast to a single wavelength pump. Additionally, the total gain spectrum available for the amplification of signals is increased.
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