Wedemonstrateexperimentallyaradiofrequencyarbitrarywaveformgeneratorusingtheincoherentwavelengthto-timemappingtechnique.Thesystemisimplementedbyamplitudemodulationofabroadbandopticalresourcewhosespectrumisreshapedbyaprogrammableopticalpulseshaperandtransmittedoverasinglemodefiberlink.Theshapeofthegeneratedwaveformiscontrolledbytheopticalpulseshaper,andthefiberlinkintroducesacertaingroupvelocitydelaytoimplementwavelength-to-timemapping.Assistedbytheflexibleopticalpulseshaper,weobtaindifferentshapesofopticalwaveforms,suchasrectangle,triangle,andsawtoothwaveforms.Furthermore,wealsodemonstrateultra-widebandgeneration,suchasGaussianmonocycle,doublet,andtripletwaveforms,usingtheincoherenttechnique.
