Nonlinear optics has not stopped evolving,offering opportunities to develop novel functionalities in photonics.Supercontinuum generation,a nonlinear optical phenomenon responsible for extreme spectral broadening,attra...Nonlinear optics has not stopped evolving,offering opportunities to develop novel functionalities in photonics.Supercontinuum generation,a nonlinear optical phenomenon responsible for extreme spectral broadening,attracts the interest of researchers due to its high potential in many applications,including sensing,imaging,or optical communications.In particular,with the emergence of silicon photonics,integrated supercontinuum sources in silicon platforms have seen tremendous progress during the past decades.This article aims at giving an overview of supercontinuum generation in three main silicon-compatible photonics platforms,namely,silicon,silicon germanium,and silicon nitride,as well as the essential theoretical elements to understand this fascinating phenomenon.展开更多
基金Reseau RENATECHConseil Departemental de l’Essonne+2 种基金Ministere de TEconomie,des Finances et de Flndustrie(Nano2022 IPCEI)Agence Nationale de la Recherche(ANR-17-CE09-0041,ANR-19-CE24-0002-01)H2020 European Research Council(639107,647342).
文摘Nonlinear optics has not stopped evolving,offering opportunities to develop novel functionalities in photonics.Supercontinuum generation,a nonlinear optical phenomenon responsible for extreme spectral broadening,attracts the interest of researchers due to its high potential in many applications,including sensing,imaging,or optical communications.In particular,with the emergence of silicon photonics,integrated supercontinuum sources in silicon platforms have seen tremendous progress during the past decades.This article aims at giving an overview of supercontinuum generation in three main silicon-compatible photonics platforms,namely,silicon,silicon germanium,and silicon nitride,as well as the essential theoretical elements to understand this fascinating phenomenon.