{"title":"Very low threshold current density (Al)GaInAs/Al(Ga)InAs laser structures grown by atmospheric pressure MOVPE","authors":"R. Gessner, M. Beschorner, M. Druminski","doi":"10.1109/ICIPRM.1991.147341","DOIUrl":null,"url":null,"abstract":"The growth of (Al)GaInAs/Al(Ga)InAs structures of high quality for laser devices using metalorganic vapor-phase epitaxy (MOVPE) at atmospheric pressure is described. SeH/sub 2/ and DEZn have been used as the dopant precursors. Se is an appropriate dopant for the n-type confinement layers of lasers, showing a distinctly higher electrical activation in AlInAs than Si. Zn is superior to Mg as a dopant for the p-type confinement layers of lasers as its apparent diffusion coefficient is about one order of magnitude lower than that of Mg in AlInAs. Broad-area double-heterostructure (DH) lasers (device length=800 mu m) operating at 1.66 mu m and 1.55 mu m are shown to have I/sub th/ values as low as 2.3 kA cm/sup 2/ and 1.5 kA/cm/sup 2/, respectively. With broad-area separate-confinement-heterostructure multiple-quantum-well (SCH-MQW) lasers (device length=800 mu m) emitting at 1.524 mu m, threshold current densities as low is 0.92 kA/cm/sup 2/ can be achieved.<<ETX>>","PeriodicalId":6444,"journal":{"name":"[Proceedings 1991] Third International Conference Indium Phosphide and Related Materials","volume":"13 1","pages":"220-223"},"PeriodicalIF":0.0000,"publicationDate":"1991-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[Proceedings 1991] Third International Conference Indium Phosphide and Related Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIPRM.1991.147341","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The growth of (Al)GaInAs/Al(Ga)InAs structures of high quality for laser devices using metalorganic vapor-phase epitaxy (MOVPE) at atmospheric pressure is described. SeH/sub 2/ and DEZn have been used as the dopant precursors. Se is an appropriate dopant for the n-type confinement layers of lasers, showing a distinctly higher electrical activation in AlInAs than Si. Zn is superior to Mg as a dopant for the p-type confinement layers of lasers as its apparent diffusion coefficient is about one order of magnitude lower than that of Mg in AlInAs. Broad-area double-heterostructure (DH) lasers (device length=800 mu m) operating at 1.66 mu m and 1.55 mu m are shown to have I/sub th/ values as low as 2.3 kA cm/sup 2/ and 1.5 kA/cm/sup 2/, respectively. With broad-area separate-confinement-heterostructure multiple-quantum-well (SCH-MQW) lasers (device length=800 mu m) emitting at 1.524 mu m, threshold current densities as low is 0.92 kA/cm/sup 2/ can be achieved.<>
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