{"title":"Raman gain spectrum equalization by using Polarization-diversity Loop Filter","authors":"M. A. Hossain, Md. Fahad Chowdhury, F. Ahmed","doi":"10.1109/ICCIT.2009.5407160","DOIUrl":null,"url":null,"abstract":"Raman amplifier plays an important role in wavelength division multiplexing (WDM) systems. The drawback of Raman amplifier is that the Raman gain spectrum is flat for very small narrowband. So, it is necessary to equalize the Raman gain spectrum to achieve the desire performance for the WDM systems. This paper has proposed an extrinsic gain equalization technique by using Polarization-diversity Loop Filter. It is found that by using PDLF, an equalize bandwidth of 90nm (1550nm - 1640nm) can be achieved with a gain ripple of 0.5dB.","PeriodicalId":443258,"journal":{"name":"2009 12th International Conference on Computers and Information Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 12th International Conference on Computers and Information Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCIT.2009.5407160","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Raman amplifier plays an important role in wavelength division multiplexing (WDM) systems. The drawback of Raman amplifier is that the Raman gain spectrum is flat for very small narrowband. So, it is necessary to equalize the Raman gain spectrum to achieve the desire performance for the WDM systems. This paper has proposed an extrinsic gain equalization technique by using Polarization-diversity Loop Filter. It is found that by using PDLF, an equalize bandwidth of 90nm (1550nm - 1640nm) can be achieved with a gain ripple of 0.5dB.
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