{"title":"Dynamic holographic eight-channel spectral equaliser for WDM","authors":"A. D. Cohen, R. Mears","doi":"10.1109/LEOSST.1997.619166","DOIUrl":null,"url":null,"abstract":"We report equalisation of eight 3-4 nm-spaced WDM channels amplified by a non-gain-flattened EDFA. The 9.5 dB spectral gain range is reduced to 0.75 dB. Flattening of the filter passband has been experimentally demonstrated The dynamic holographic technology is based on a 128/spl times/128 pixellated FLC SLM (ferroelectric liquid crystal spatial light modulator) displaying 1-D binary-phase holograms, in combination with a fixed binary-phase grating.","PeriodicalId":344325,"journal":{"name":"1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application","volume":"87 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LEOSST.1997.619166","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
We report equalisation of eight 3-4 nm-spaced WDM channels amplified by a non-gain-flattened EDFA. The 9.5 dB spectral gain range is reduced to 0.75 dB. Flattening of the filter passband has been experimentally demonstrated The dynamic holographic technology is based on a 128/spl times/128 pixellated FLC SLM (ferroelectric liquid crystal spatial light modulator) displaying 1-D binary-phase holograms, in combination with a fixed binary-phase grating.
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