Novel structure TE/TM mode selective optical channel waveguides are proposed and fabricated in GaAs/AlAs superlattices (SLs) using impurity‐free disordering induced by SiO2 cap annealing. The disordered SL regions are found to be useful as low‐loss waveguides even at a wavelength close to the absorption edge of the as‐grown SL. By observing the near‐field patterns, it is confirmed that these channel waveguides could selectively confine TE or TM polarized light.
{"title":"TE/TM mode selective channel waveguides in GaAs/AlAs superlattice fabricated by SiO2 cap disordering","authors":"Yasuhiro Suzuki, H. Iwamura, O. Mikami","doi":"10.1063/1.103274","DOIUrl":"https://doi.org/10.1063/1.103274","url":null,"abstract":"Novel structure TE/TM mode selective optical channel waveguides are proposed and fabricated in GaAs/AlAs superlattices (SLs) using impurity‐free disordering induced by SiO2 cap annealing. The disordered SL regions are found to be useful as low‐loss waveguides even at a wavelength close to the absorption edge of the as‐grown SL. By observing the near‐field patterns, it is confirmed that these channel waveguides could selectively confine TE or TM polarized light.","PeriodicalId":213830,"journal":{"name":"Transactions of the Institute of Electronics and Communication Engineers of Japan. Section E","volume":"17 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121933328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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