{"title":"Symmetry-selecting gratings and their applications","authors":"S. Tomljenovic-Hanic","doi":"10.1109/ICTON.2003.1263181","DOIUrl":null,"url":null,"abstract":"The basic idea behind a symmetry-selecting grating is to replace a grating written over the entire core cross-section of a waveguide with a grating that is written only over a part of the core. Gratings with a particular symmetry in the horizontal direction can be symmetry-selective, reflecting the modes with that particular symmetry. Here a new type of grating-the fractional core gratings-is proposed and their potential applications to single-, two- and three-wavelength add/drop wavelength filters is discussed and their performance quantified.","PeriodicalId":272700,"journal":{"name":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","volume":"276 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 2003 5th International Conference on Transparent Optical Networks, 2003.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICTON.2003.1263181","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The basic idea behind a symmetry-selecting grating is to replace a grating written over the entire core cross-section of a waveguide with a grating that is written only over a part of the core. Gratings with a particular symmetry in the horizontal direction can be symmetry-selective, reflecting the modes with that particular symmetry. Here a new type of grating-the fractional core gratings-is proposed and their potential applications to single-, two- and three-wavelength add/drop wavelength filters is discussed and their performance quantified.
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