{"title":"A simple quantum picture for the Petermann excess noise factor","authors":"P. Grangier, J. Poizat","doi":"10.1109/EQEC.1998.715008","DOIUrl":null,"url":null,"abstract":"Abstract:We present a very simple “toy model” that allows one to recover the essential mathematical and physical features that lead to excess quantum noise and excess linewidth in lasers with unstable resonators. In a consistent quantum mechanical description, the excess noise factor (Petermann factor) is physically attributed to loss-induced coupling between the cavity eigenmodes.","PeriodicalId":22391,"journal":{"name":"The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2002-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"26","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EQEC.1998.715008","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 26
Abstract
Abstract:We present a very simple “toy model” that allows one to recover the essential mathematical and physical features that lead to excess quantum noise and excess linewidth in lasers with unstable resonators. In a consistent quantum mechanical description, the excess noise factor (Petermann factor) is physically attributed to loss-induced coupling between the cavity eigenmodes.
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