Lin, Y.-X.Y.-X.LinLee, C.-H.C.-H.LeeChung, H.-P.H.-P.ChungYounesi, M.M.YounesiKumar, P.P.KumarWang, K.K.WangBernard, O.O.BernardShirpurkar, C.C.ShirpurkarSu, W.-C.W.-C.SuGeiss, R.R.GeissPertsch, T.T.PertschSukhorukov, A.A.SukhorukovSetzpfandt, F.F.SetzpfandtChen, Y.-H.Y.-H.Chen2022-05-062022-05-062021https://publica.fraunhofer.de/handle/publica/41696510.1364/OECC.2021.T2D.22-s2.0-85119588630Lithium niobate (LN) is a promising and versatile material platform for implementing various elements essential for realizing integrated photonic technology. We report on integrated entangled photon-pair sources and adiabatic coupler circuits built in bulk/thin-film LN.enlithiumniobium compoundphotonic integration technologyphotonics620conference paper