Propagation apparatus and dispersion value setting method
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United States of America Patent
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Apr 2, 2013
Grant Date -
Jun 24, 2010
app pub date -
Dec 6, 2009
filing date -
Dec 22, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A propagation apparatus includes a plurality of dispersion compensation execution units which accept a signal of a single wavelength from a wavelength-multiplexed signal which is received and execute dispersion compensation on the signal by inputting the accepted signal to a tunable dispersion compensator with an adjusted dispersion value, and a dispersion value calculation unit which acquires each dispersion value adjusted by the plurality of the dispersion compensation execution units, approximates the dispersion value of the wavelength assigned to a newly built line by using the acquired dispersion values whose signal error rates are in a tolerable range, and sets the approximated dispersion value as an initial value in the tunable dispersion compensator of the newly built line.
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