Methods and apparatus for monitoring the strength of carriers in an optical communication system
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United States of America Patent
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Issued Date -
Jan 6, 2005
app pub date -
Jul 3, 2003
filing date -
Jul 3, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A strength monitor for a wavelength-division multiplexed (WDM) communication system in which the carriers comprising WDM signal do not need to spatially separated to determine their strengths. The strength monitor provides local modulation of a carrier to measured. In some embodiments, a strength monitor uses a digital channel equalizer to modulate a given carrier whose strength is to be measured.
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