Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 3, 2007
Patent Application Number
10411332
Date Filed
April 11, 2003
Patent Primary Examiner
Patent abstract
Laser line-width compensation is performed by detecting noise in an optical signal output by a laser of an optical communications system and controlling a complex modulator to cancel the detected noise. Line-width compensation can be performed for both amplitude and phase noise in the optical signal. Noise measurements are used to compute a complex scalar. The complex scalar is used by a compensation processor to modify an input signal that is to be transmitted by the optical communications system. The modified input signal controls the complex modulator, which modulates the output signal to cancel the noise.
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