US Patent 9438336 Characterization of non-ASE noise on optical signals
Patent 9438336 was granted and assigned to EXFO on September, 2016 by the United States Patent and Trademark Office.
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There is provided a method for determining a noise parameter characterizing an optical Signal-Under-Test (SUT) having a signal contribution, an Amplified Spontaneous Emission (ASE) noise contribution and a non-ASE optical noise contribution, such as a carrier-leakage contribution or a depolarized-signal contribution, within an optical-signal bandwidth. The method comprises acquiring optical spectrum trace(s) of the SUT, discriminating at least the non-ASE optical noise contribution from the ASE-noise contribution using the optical spectrum trace(s) and/or a trace obtained from the optical spectrum trace(s); and determining the noise parameter using discriminated non-ASE optical noise contribution and/or the discriminated ASE-noise contribution.
US Patent 09438336 Characterization of non-ASE noise on optical signals US Patent 9438336 Characterization of non-ASE noise on optical signals
US Patent 09438336 Characterization of non-ASE noise on optical signals
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