{"title":"Switchable Analogue of Electromagnetic Induced Absorption and Transmission-Like Filter Responses Using Stimulated Brillouin Scattering","authors":"Mukund Jha, Reena Parihar, Rajveer Dhawan, Amol Choudhary","doi":"10.1109/CLEO/Europe-EQEC57999.2023.10231765","DOIUrl":null,"url":null,"abstract":"The constructive/destructive quantum interference due to coherent interaction between multi-level atoms generates electromagnetic induced absorption/transparency (EIA/EIT) [1]. EIT has a transparent spectral window in the absorption spectra, and EIA has a narrow absorption window in the transmission spectra. EIA/EIT has been demonstrated in atomic systems [2], [3], and analogue filter responses have also been demonstrated using stimulated Brillouin scattering [4], [5]. In this paper, we present a method to generate switchable EIA/EIT-like RF filters using Brillouin-induced loss tailoring. Flexible filter shaping enables highly versatile responses with tunable bandwidths and central frequencies which can have applications in wireless signal processing and RADARs.","PeriodicalId":19477,"journal":{"name":"Oceans","volume":"52 1","pages":"1-1"},"PeriodicalIF":0.0000,"publicationDate":"2023-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Oceans","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CLEO/Europe-EQEC57999.2023.10231765","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
The constructive/destructive quantum interference due to coherent interaction between multi-level atoms generates electromagnetic induced absorption/transparency (EIA/EIT) [1]. EIT has a transparent spectral window in the absorption spectra, and EIA has a narrow absorption window in the transmission spectra. EIA/EIT has been demonstrated in atomic systems [2], [3], and analogue filter responses have also been demonstrated using stimulated Brillouin scattering [4], [5]. In this paper, we present a method to generate switchable EIA/EIT-like RF filters using Brillouin-induced loss tailoring. Flexible filter shaping enables highly versatile responses with tunable bandwidths and central frequencies which can have applications in wireless signal processing and RADARs.
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