Reduction of four-wave mixing effect in an optical wavelength-division multiplexed system by utilizing different channel spacing and chromatic dispersion schemes

The performance of an optical wavelength-division multiplexed system is analyzed taking the four-wave mixing (FWM) effect into account. The efficiency of FWM generation is observed to greatly reduce if the spacing between channels is made unequal. However, the scheme requires an increased bandwidth,...

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Bibliographic Details
Published in:Optical Engineering 2003-09, Vol.42 (9), p.2761-2767
Main Authors: Uddin, M. Forkan, Doulah, A. B. M. Nasirud, Hossain, A. B. M. Ishteak, Alam, Muhammad Zulfiker, Islam, Mohammed Nazrul
Format: Article
Language:English
Subjects:
bit error rate
chromatic dispersion
four-wave mixing
power penalty
unequal channel spacing
wavelength-division multiplexing
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Summary:The performance of an optical wavelength-division multiplexed system is analyzed taking the four-wave mixing (FWM) effect into account. The efficiency of FWM generation is observed to greatly reduce if the spacing between channels is made unequal. However, the scheme requires an increased bandwidth, which can further be reduced by utilizing another scheme called repeated unequal channel spacing. Also the FWM efficiency is found to reduce in the presence of chromatic dispersion. Use of nonuniform chromatic dispersion along the fiber length, which reduces the FWM effect while maintaining a low value of dispersion is investigated. Various other dispersion management mechanisms are also considered in addition to different channel spacing schemes to achieve a comparative study as to which scheme gives the best solution to the FWM problem. ©
ISSN:0091-3286
1560-2303
DOI:10.1117/1.1597887