Method for channel tagging in DWDM optical communication systems
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United States of America Patent
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Issued Date -
Feb 13, 2003
app pub date -
Aug 8, 2001
filing date -
Aug 8, 2001
priority date (Note) -
Abandoned
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Abstract
An improved method is provided for channel tagging optical data signals in an optical communication system. The method includes: generating an optical carrier having a given wavelength from an optical signal source; modulating the frequency of the optical carrier at the optical signal source, thereby embedding a tag in the optical carrier; modulating the tagged optical carrier with a data signal to form an optical data signal; and transmitting the optical data signal in the optical communication system. The method may further comprise detecting the embedded signal tag using an FM demodulator.
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