Experimental verification of self-phase-modulation-induced nonlinear distortion in externally modulated AM-VSB lightwave systems

Self-phase-modulation (SPM) in intensity-modulated systems causes frequency chirp, which in combination with fiber dispersion generates second-order distortion. It has been shown theoretically that in externally modulated systems, this effect can cause intolerable amounts of composite second-order (...

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Bibliographic Details
Main Authors: Willems, F.W., Muys, W., van der Plaats, J.C.
Format: Conference Proceeding
Language:English
Subjects:
Filters
Noise figure
Nonlinear distortion
Optical amplifiers
Optical attenuators
Optical distortion
Optical fiber amplifiers
Optical transmitters
Power amplifiers
Power generation
Online Access:Request full text
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Summary:Self-phase-modulation (SPM) in intensity-modulated systems causes frequency chirp, which in combination with fiber dispersion generates second-order distortion. It has been shown theoretically that in externally modulated systems, this effect can cause intolerable amounts of composite second-order (CSO) distortion, if the length of the feeder section between the CATV head-end and the local exchange exceeds a few tens of kilometers. We will for the first time present experimental data, supporting the theoretical analysis.
DOI:10.1109/OFC.1996.908295