SYSTEMS AND METHODS FOR CORRECTING DOWNSTREAM POWER EXCURSIONS DURING UPSTREAM LOADING OPERATIONS IN OPTICAL NETWORKS
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United States of America Patent
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Issued Date -
Oct 12, 2023
app pub date -
Apr 7, 2023
filing date -
Apr 8, 2022
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Abstract
Disclosed herein are methods and systems for correcting power excursions. One exemplary network element may be provided with a processor; a first line port; a flexible ROADM module including a wavelength selective switch, a multiplexer, and one or more control block; a second line port; and a memory storing an orchestrator application and processor-executable instructions. Responsive to receiving a first signal indicative of an impending network state change, the processor-executable instructions cause the processor to pause all power adjustments by the control block on the flexible ROADM module and save at least one power set point value for each active passband from a first optical signal multiplexed into a second optical signal; and responsive to receiving a second signal indicative of the network state change, adjust an optical power of each active passband from the first optical signal multiplexed into the second optical signal using the power set point values.
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