The multi-perturbation effects in filter control of dispersion managed soliton system
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Advanced Technology Research Center, Information Engineer Academy, Shenzhen University, Shenzhen 518060, China
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Received Date:
2005-10-24
Accepted Date:
2005-12-08
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Abstract
In order to analyze and restrain the multi-perturbation in the ultra long-haul multi-channel dispersion managed soliton(DMS) transmission system,the effect of perturbation including the amplifier spontaneous emission(ASE) noise,intra-symbol interference(ISI) between the channels is analyzed by variational method.The control capability of inline filter in restraining the frequency shifting and timing jitter of DMSis also studied.The analysis results indicate that the filters can stabilize amplitude and pulse-width of DMS and restraining the effects of multi-perturbations.There exists an optimal configure scheme of filter strength and parameters of DMS.The perturbation of cross-phase modulation(XPM)-ASE is obviously decreased by filter,then the perturbation of ASE noise and XPM.The results and the optimal scheme of filter control can be taken as a reference in estimating performance of high-speed and big capacity system.
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