Broadband and Compact Polarization Splitter-Rotator Based on Subwavelength-Grating-Slot-Assisted Adiabatic Coupler for the Silicon-on-Insulator Platform
{"title":"Broadband and Compact Polarization Splitter-Rotator Based on Subwavelength-Grating-Slot-Assisted Adiabatic Coupler for the Silicon-on-Insulator Platform","authors":"Luhua Xu","doi":"10.1109/GFP51802.2021.9674006","DOIUrl":null,"url":null,"abstract":"We propose a broadband and compact polarization splitter-rotator based on subwavelength-grating-slot-assisted adiabatic coupler for the silicon-on-insulator platform. Simulated crosstalk below -18.6 dB and insertion loss below 0.49 dB over a 100 nm bandwidth is achieved with a sub-100-µm device length.","PeriodicalId":158770,"journal":{"name":"2021 IEEE 17th International Conference on Group IV Photonics (GFP)","volume":"176 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE 17th International Conference on Group IV Photonics (GFP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GFP51802.2021.9674006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
We propose a broadband and compact polarization splitter-rotator based on subwavelength-grating-slot-assisted adiabatic coupler for the silicon-on-insulator platform. Simulated crosstalk below -18.6 dB and insertion loss below 0.49 dB over a 100 nm bandwidth is achieved with a sub-100-µm device length.
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