ASE IDLER PASSBAND PROTECTION FOR TERRESTRIAL OPTICAL NETWORK APPLICATIONS
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 30, 2024
filing date -
Sep 30, 2024
priority date (Note) -
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Abstract
A network element is disclosed herein. The network element comprises an ASE source generating ASE noise, a first WSS receiving a first optical signal comprising USPs having an expected power, a second WSS to attenuate ASE noise into ASE passbands and multiplexes the ASE passbands and the first optical signal into a second optical signal having second passbands, a spectral measurement device to detect optical power, and a controller having a processor and memory storing instructions causing the processor to: receive an optical power of the first optical signal from the spectral measurement device; detect a passband failure based on the optical power, the passband failure associated with a failed passband being one of: the USPs; generate the ASE passband; cause the second WSS to multiplex the ASE passband into the second optical signal; and cause the second WSS to activate the ASE passband to replace the failed passband.
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