{"title":"动态全息八通道波分复用频谱均衡器","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":"{\"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}","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}
Dynamic holographic eight-channel spectral equaliser for WDM
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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