Effect of filters on solition collisions in WDM systems with lumped amplifiers and periodically varying dispersion |
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| Authors: | Xiongyan Tang Ruomei Mu Peida Ye |
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| Institution: | (1) Department of Radio Engineering, Beijing University of Posts and Telecommunications, P.O. Box 22, 100088 Beijing, P.R. China |
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| Abstract: | The effect of frequency-guiding filters on soliton collisions in wavelength-division multiplexing systems with lumped amplifiers and periodically varying dispersion has been investigated. The evolution equations for the soliton frequency shift and time shift are derived. The numerical results indicate that the filters make the frequency shift resulting from soliton collision tend toward zero; thus the system performance is improved considerably. |
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