{"title":"Double-tip Scandium Aluminum Nitride Edge Couplers at 1550 nm Wavelength","authors":"Hengyu Wang, Xingyan Zhao, Shaonan Zheng, Zhengji Xu, Yuan Dong, Ting Hu","doi":"10.1109/OGC55558.2022.10051030","DOIUrl":null,"url":null,"abstract":"Double-tip scandium aluminum nitride (Al1-xScxN) edge couplers with three different Sc concentrations (x = 0, 0.09, 0.23) working at 1550 nm wavelength are designed. The geometric parameters of the devices are optimized by the particle swarm optimization (PSO) algorithm. It is shown that the double-tip edge couplers have higher coupling efficiencies for both transverse-electric (TE) and transverse-magnetic (TM) modes compared with the single-tip ones with the same tip width and device length.","PeriodicalId":177155,"journal":{"name":"2022 IEEE 7th Optoelectronics Global Conference (OGC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE 7th Optoelectronics Global Conference (OGC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OGC55558.2022.10051030","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Double-tip scandium aluminum nitride (Al1-xScxN) edge couplers with three different Sc concentrations (x = 0, 0.09, 0.23) working at 1550 nm wavelength are designed. The geometric parameters of the devices are optimized by the particle swarm optimization (PSO) algorithm. It is shown that the double-tip edge couplers have higher coupling efficiencies for both transverse-electric (TE) and transverse-magnetic (TM) modes compared with the single-tip ones with the same tip width and device length.
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