Schmidt-Langhorst, C.C.Schmidt-LanghorstSchubert, C.C.SchubertBoerner, C.C.BoernerLudwig, R.R.Ludwig2022-03-102022-03-102005https://publica.fraunhofer.de/handle/publica/3493532-s2.0-33745314254Technologies for optical sampling systems are reviewed. Highest temporal resolution is achieved by frequency mixing in nonlinear crystals or fibers. Applications include the investigation of eye diagram distortions due to fiber nonlinearity, dispersion and PMD. OCIS codes: (060.4510) Optical communications, (190.7110) Ultrafast nonlinear optics.en621conference paper