Method and system for securing wavelength division multiplex systems
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Nov 10, 1999
filing date -
Nov 12, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for securing DWDM networks that includes adding background (e.g., white) noise to a level up to the larger of the cross-talk signal or the background channel noise (e.g., amplified spontaneous emission level). The system comprises a white noise generator appropriately placed so that any leaked signals are masked by the white noise generated. Accordingly, only signals intended to be dropped are recoverable because all other signals would not be recoverable from the background white noise.
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