Optical transmission system with group velocity dispersion compensation
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Nov 9, 1999
filing date -
Nov 9, 1998
priority date (Note) -
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Abstract
To suppress S/N degradation due to optical amplification and generation of a nonlinear optical effect in a dispersion compensating fiber, and compensate for a loss due to the dispersion compensating fiber without incorporating a long fiber inside a receiver, part of an optical transmission line is constructed by a dispersion compensating fiber and at least part of the optical transmission line is designed to have a Raman gain or a distributed gain. A pump light to obtain a Raman gain or a distributed gain is transmitted from at least one of a transmitter, a receiver, and a repeater to the optical transmission line.
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