{"title":"New Approach to Transverse Mode Control in VCSELs","authors":"M. Greally, M. Adams","doi":"10.1109/CLEOE.1998.719133","DOIUrl":null,"url":null,"abstract":"A theme of current VCSEL research is the quest for single-transverse mode operation, especially at high power levels. Monomode output is required for many VCSEL applications using both free-space propagation and the superior fibre-coupling properties of VCSELs. The oxide aperture approach has been remarkably successful in this respect, and a record single-mode power of 4.8 mW has been reported. Here we investigate the potential of a somewhat simpler approach - that of patterning the top reflector in a VCSEL in order to obtain sufficient waveguiding to confine a single transverse mode.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"CLEO/Europe Conference on Lasers and Electro-Optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CLEOE.1998.719133","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
A theme of current VCSEL research is the quest for single-transverse mode operation, especially at high power levels. Monomode output is required for many VCSEL applications using both free-space propagation and the superior fibre-coupling properties of VCSELs. The oxide aperture approach has been remarkably successful in this respect, and a record single-mode power of 4.8 mW has been reported. Here we investigate the potential of a somewhat simpler approach - that of patterning the top reflector in a VCSEL in order to obtain sufficient waveguiding to confine a single transverse mode.
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