Spatio-temporal evolution of ultrashort pulses in graded-index multimode fiber at normal dispersion

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dc.contributor.authorTeğin, Uğuren_US
dc.contributor.authorOrtaç, Bülenden_US
dc.coverage.spatialMunich, Germanyen_US
dc.date.accessioned2018-04-12T11:46:59Z
dc.date.available2018-04-12T11:46:59Z
dc.date.issued2017en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.descriptionDate of Conference: 25-29 June 2017en_US
dc.description.abstractSummary form only given. A novel nonlinear phenomenon at normal dispersion regime inside of graded-index multimode fiber (GRIN MMF), geometric parametric instability (GPI), can be observed while propagating beam experiences spatio-temporal evolution. Longhi theoretically predicted this GPI and associated with periodic refocusing inside GRIN MMF [1]. Later his work is verified by Krupa et al. [2] and Lopez-Galmiche et al. [3] and discrete GPI sidebands are reported with more than 120 THz detuning from to pump frequency. These studies focused on quasi-continues pulse evolution in GRIN MMF and the spatio-temporal evolution of femtosecond pulses at normal dispersion regime remains unknown. Here, we present the first experimental observation of GPI sidebands with ultrashort pulses in GRIN MMF. To gain detailed understanding, we perform numerical simulations and theoretical calculations and obtained results are well-aligned with experimental observations.en_US
dc.identifier.doi10.1109/CLEOE-EQEC.2017.8086572en_US
dc.identifier.isbn978-1-5090-6736-7
dc.identifier.urihttp://hdl.handle.net/11693/37657
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttps://doi.org/10.1109/CLEOE-EQEC.2017.8086572en_US
dc.source.title2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)en_US
dc.subjectLaser beamsen_US
dc.subjectAmplitude modulationen_US
dc.subjectOptical pulse generationen_US
dc.subjectNanotechnologyen_US
dc.subjectDispersionen_US
dc.subjectNumerical simulationen_US
dc.subjectLaser excitationen_US
dc.titleSpatio-temporal evolution of ultrashort pulses in graded-index multimode fiber at normal dispersionen_US
dc.typeConference Paperen_US

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