{"title":"Novel optical and thermal modeling for modelocked VCSELs","authors":"M. Bahl, N. Panoiu, R. Osgood","doi":"10.1109/LTIMC.2004.1370982","DOIUrl":null,"url":null,"abstract":"We develop a new approach based on the finite-difference time-domain (FDTD) method for simulating dynamics of modelocked VCSELs. Our FDTD model, transcends the limitation of a widely used traveling-wave technique, and can be used to determine both the sub-wavelength spatial features of the optical field, as well as its temporal dynamics on a sub-cycle time-scale. The thermal effects are included through coupled lattice and plasma temperature equations. The material response is incorporated via the effective Bloch equations. A VCSEL with gain and saturable absorber is simulated and stable modelocking obtained. Fine features of the pulses spatial profile are also studied.","PeriodicalId":317707,"journal":{"name":"Proceedings of the Lightwave Technologies in Instrumentation and Measurement Conference, 2004.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Lightwave Technologies in Instrumentation and Measurement Conference, 2004.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LTIMC.2004.1370982","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
We develop a new approach based on the finite-difference time-domain (FDTD) method for simulating dynamics of modelocked VCSELs. Our FDTD model, transcends the limitation of a widely used traveling-wave technique, and can be used to determine both the sub-wavelength spatial features of the optical field, as well as its temporal dynamics on a sub-cycle time-scale. The thermal effects are included through coupled lattice and plasma temperature equations. The material response is incorporated via the effective Bloch equations. A VCSEL with gain and saturable absorber is simulated and stable modelocking obtained. Fine features of the pulses spatial profile are also studied.
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