Optical network monitoring and protection using a phased array switching engine
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United States of America Patent
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Apr 10, 2018
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app pub date -
Apr 24, 2016
filing date -
Apr 24, 2015
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Abstract
A method may include receiving, by a switching engine, an optical signal that includes a channel. The method may include applying, by the switching engine, a first beam steering grating to direct a first portion of the channel to a first output port. The method may include applying, by the switching engine, one or more second beam steering gratings to direct at least one of a second portion of the channel to a second output port, or a third portion of the channel to a photodetector. The third portion may be approximately less, in power, than 10 percent of the channel.
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