NOVEL ARCHITECTURE FOR UNDERSEA REPEATERLESS SYSTEMS
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United States of America Patent
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Issued Date -
Nov 22, 2012
app pub date -
May 19, 2011
filing date -
May 19, 2011
priority date (Note) -
Abandoned
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Abstract
An undersea repeaterless optical transmission system is disclosed including first and second stations connected by a communication link which may comprise one or more optical fibers. The system further includes a dedicated Raman pumping path originating from a third intermediate station and interacting with the communication link at an undersea body positioned between the first and second stations. This dedicated Raman pumping path may comprise one or more optical fibers. Communications signals are propagated only between the first and second stations, while the third intermediate station provides only Raman pumping via the pumping path which is used to boost signal power in the communication link between the first and second stations. By limiting this pumping path to Raman pumping only substantially more pumping power can be provided through the path since power is not limited by the equation of a communications signal. The disclosed system architecture facilitates increased capacity (or reach) on the repeaterless link between the first and second stations.
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