Electronics Letters · 1993 · 11 citations · 3 references
EngineeringElectrical EngineeringAnalog ElectronicsOptoelectronicsSemiconductor DevicesDistortion AnalysisFeedback AmplifiersLow-noise Circuit DesignNoise In Electronic DevicesNoise In Semiconductor DevicesOptical AmplifiersCurrent Feedback AmplifiersDistortion ReductionHarmonic DistortionInput Bias CurrentNoise In AmplifiersOptical Signal AmplificationSemiconductor Optical AmplifiersTotal Harmonic Distortion
The application of bias current feedback to a semiconductor optical amplifier is shown to improve considerably its noise and distortion performance in analogue applications. Improvements in harmonic distortion of up to 12.75 dB, and in noise levels of up to 7.5 dB, have been achieved.
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