{"title":"可调谐等离子体Yagi-Uda纳米天线","authors":"I. Maksymov, A. Miroshnichenko, Y. Kivshar","doi":"10.1109/NLP.2011.6102668","DOIUrl":null,"url":null,"abstract":"We suggest and theoretically study a novel tunable plasmonic Yagi-Uda nanoantenna driven by means of a feed element consisting of two closely spaced metal nanobars separated by a gap filled with a semiconductor. Through extensive numerical simulations we demonstrate that a variation of the free-carrier density in the semiconductor strongly modifies the antenna's response in both near-field and far-field regions, which opens up ways for active all-optical spectral tuning of the nanoantenna.","PeriodicalId":347986,"journal":{"name":"2011 International Workshop on Nonlinear Photonics","volume":"53 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Tunable plasmonic Yagi-Uda nanoantenna\",\"authors\":\"I. Maksymov, A. Miroshnichenko, Y. Kivshar\",\"doi\":\"10.1109/NLP.2011.6102668\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We suggest and theoretically study a novel tunable plasmonic Yagi-Uda nanoantenna driven by means of a feed element consisting of two closely spaced metal nanobars separated by a gap filled with a semiconductor. Through extensive numerical simulations we demonstrate that a variation of the free-carrier density in the semiconductor strongly modifies the antenna's response in both near-field and far-field regions, which opens up ways for active all-optical spectral tuning of the nanoantenna.\",\"PeriodicalId\":347986,\"journal\":{\"name\":\"2011 International Workshop on Nonlinear Photonics\",\"volume\":\"53 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-12-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 International Workshop on Nonlinear Photonics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NLP.2011.6102668\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 International Workshop on Nonlinear Photonics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NLP.2011.6102668","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
We suggest and theoretically study a novel tunable plasmonic Yagi-Uda nanoantenna driven by means of a feed element consisting of two closely spaced metal nanobars separated by a gap filled with a semiconductor. Through extensive numerical simulations we demonstrate that a variation of the free-carrier density in the semiconductor strongly modifies the antenna's response in both near-field and far-field regions, which opens up ways for active all-optical spectral tuning of the nanoantenna.
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