{"title":"Modelling of dark current in AlGaAs/GaAs QWIPs","authors":"D. M. Pedroso, A. Passaro","doi":"10.1109/SBMICRO.2015.7298124","DOIUrl":null,"url":null,"abstract":"In this paper, the dark current in Quantum Well Infrared Photodetectors (QWIP) operating at the thermionic regime is computed by a semiclassical model based on the Ehrenfest Theorem. The model is independent of adjusting or empirical parameters. The corresponding wave functions are calculated considering a nonparabolic approximation and temperature-dependent energy gap. The theoretical results are compared with experimental data obtained from AlGaAs/GaAs QWIP with symmetric rectangular wells and were found to be in a good agreement.","PeriodicalId":342493,"journal":{"name":"2015 30th Symposium on Microelectronics Technology and Devices (SBMicro)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 30th Symposium on Microelectronics Technology and Devices (SBMicro)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SBMICRO.2015.7298124","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
In this paper, the dark current in Quantum Well Infrared Photodetectors (QWIP) operating at the thermionic regime is computed by a semiclassical model based on the Ehrenfest Theorem. The model is independent of adjusting or empirical parameters. The corresponding wave functions are calculated considering a nonparabolic approximation and temperature-dependent energy gap. The theoretical results are compared with experimental data obtained from AlGaAs/GaAs QWIP with symmetric rectangular wells and were found to be in a good agreement.
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