Teğin, UgurOrtaç, Bülend2018-04-122018-04-1220179781557528209http://hdl.handle.net/11693/37547Conference name: Frontiers in Optics 2017Date of Conference: 18–21 September 2017We numerically and experimentally study the spatio-temporal femtosecond pulse evolution in graded-index multimode fiber at normal dispersion regime. We report the first demonstration of geometric parametric instability sidebands generation with ultrashort pulses in the literature.EnglishElectromagnetic pulseUltrafast lasersUltrashort pulsesGraded-index multimode fibersNormal dispersionParametric instabilitiesSpatio temporalMultimode fibersGeometric parametric instability of femtosecond pulses in graded-index multimode fiberConference Paper10.1364/FIO.2017.JTu3A.72