{"title":"Time-domain analysis of wavelength shift in a ZnTe slab due to electro-optic effect in THz","authors":"A. Mohamadi, M. Shahabadi","doi":"10.1109/MMWATT.2009.5450460","DOIUrl":null,"url":null,"abstract":"In this research, propagation of an optical signal through a ZnTe slab which shows electro-optic (EO) effect for terahertz frequencies is analyzed. We assume that the optical signal and the terahertz modulating signal are simultaneously present in the ZnTe slab. The slab is modeled by its nonlinear susceptibility in a one-dimensional Finite Difference Time Domain (FDTD) formulation. Using the FDTD analysis, we demonstrate that the optical signal will experience a frequency shift in the presence of the terahertz signal. The frequency shift predicted by this method of analysis is in agreement with a recently reported experiment.","PeriodicalId":284015,"journal":{"name":"2009 First Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)","volume":"204 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 First Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MMWATT.2009.5450460","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 research, propagation of an optical signal through a ZnTe slab which shows electro-optic (EO) effect for terahertz frequencies is analyzed. We assume that the optical signal and the terahertz modulating signal are simultaneously present in the ZnTe slab. The slab is modeled by its nonlinear susceptibility in a one-dimensional Finite Difference Time Domain (FDTD) formulation. Using the FDTD analysis, we demonstrate that the optical signal will experience a frequency shift in the presence of the terahertz signal. The frequency shift predicted by this method of analysis is in agreement with a recently reported experiment.
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