{"title":"调制掺杂互扩散量子阱的光学性质","authors":"A.S.W. Lee, E. Li","doi":"10.1109/HKEDM.1999.836396","DOIUrl":null,"url":null,"abstract":"The linear and nonlinear (based on optical field intensity) intersubband electroabsorptions and the change in refractive index due to intersubband optical transitions in AlGaAs/GaAs diffused quantum wells are presented. The calculation of the electron energy levels and the envelope wave functions in a modulation doped interdiffused quantum wells with screening effects is considered. Effects of interdiffusion to the intersubband absorptions and refractive index changes in QWs with different well width, doping concentration, Al concentration ratio are discussed individually in detail with numerical results. The shift of the transition energies (mainly contributed by the lowest two subbands) will be a useful application in broadband and multicolour photodetectors.","PeriodicalId":342844,"journal":{"name":"Proceedings 1999 IEEE Hong Kong Electron Devices Meeting (Cat. No.99TH8458)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The optical properties of a modulation doped interdiffused quantum well\",\"authors\":\"A.S.W. Lee, E. Li\",\"doi\":\"10.1109/HKEDM.1999.836396\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The linear and nonlinear (based on optical field intensity) intersubband electroabsorptions and the change in refractive index due to intersubband optical transitions in AlGaAs/GaAs diffused quantum wells are presented. The calculation of the electron energy levels and the envelope wave functions in a modulation doped interdiffused quantum wells with screening effects is considered. Effects of interdiffusion to the intersubband absorptions and refractive index changes in QWs with different well width, doping concentration, Al concentration ratio are discussed individually in detail with numerical results. The shift of the transition energies (mainly contributed by the lowest two subbands) will be a useful application in broadband and multicolour photodetectors.\",\"PeriodicalId\":342844,\"journal\":{\"name\":\"Proceedings 1999 IEEE Hong Kong Electron Devices Meeting (Cat. No.99TH8458)\",\"volume\":\"44 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-06-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings 1999 IEEE Hong Kong Electron Devices Meeting (Cat. No.99TH8458)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/HKEDM.1999.836396\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings 1999 IEEE Hong Kong Electron Devices Meeting (Cat. No.99TH8458)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/HKEDM.1999.836396","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The optical properties of a modulation doped interdiffused quantum well
The linear and nonlinear (based on optical field intensity) intersubband electroabsorptions and the change in refractive index due to intersubband optical transitions in AlGaAs/GaAs diffused quantum wells are presented. The calculation of the electron energy levels and the envelope wave functions in a modulation doped interdiffused quantum wells with screening effects is considered. Effects of interdiffusion to the intersubband absorptions and refractive index changes in QWs with different well width, doping concentration, Al concentration ratio are discussed individually in detail with numerical results. The shift of the transition energies (mainly contributed by the lowest two subbands) will be a useful application in broadband and multicolour photodetectors.
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