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Mid-Span Spectral Inversion Technique in Lumped Dispersion Managed WDM Transmission Systems  

Lee, Seong-Real (Div. of Marine Electro. and Comm. Eng., Mokpo National Maritime University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.1A, 2008 , pp. 7-15 More about this Journal
Abstract
In this paper, it is investigated that the limitation due to the asymmetry of optical power with respect to optical phase conjugator(OPC) in mid-span spectral inversion(MSSI) for compensating optical signal distortion due to group velocity dispersion(GVD) and nonlinearities generated in fiber by combining with lumped dispersion management(DM) technique into MSSI. Two kinds of lumped DM configuration(configuration A and configuration B) are considered and compared each other in this research. Configuration A consists of two dispersion compensating fiber(DCF) span positioned after transmitter and before receiver, respectively. Configuration B consists of two dispersion compensating fiber(DCF) span positioned before and after OPC placed at middle of total transmission link, respectively. It is confirmed that the transmission performances are more improved by the configuration A combined with MSSI than configuration B. Also, it is confirmed that the best performance of overall channels are obtained by making net residual dispersion(NRD) to have positive value in self phase modulation(SPM)-limited WDM transmission systems, irrelevant to the configuration of DM.
Keywords
Lumped dispersion management; MSSI; Optical Phase Conjugator; Dispersion compensating fiber; Net residual dispersion;
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Times Cited By KSCI : 1  (Citation Analysis)
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