ALL-OPTICAL SIGNAL REGENERATION METHOD
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United States of America Patent
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Feb 9, 2017
app pub date -
Apr 21, 2015
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Apr 23, 2014
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Abstract
An all-optical signal regeneration technique in which a modulation alphabet is mapped on to a set of optimised points of a regenerative transfer function. The optimised points correspond to attraction regions in the regenerative transfer function and are preferably stable. The regenerative transfer function can be selected to be the Fourier transform of an ideal regenerator, which is represented by a step-wise transfer function. Use of the Fourier transform can enable efficient regeneration of multilevel multidimensional signals. The regenerative Shannon limit—the upper bound of regeneration efficiency can also be derived.
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