Driving Rabi oscillations at the giant dipole resonance in xenon

TitleDriving Rabi oscillations at the giant dipole resonance in xenon
Publication TypeJournal Article
Year of Publication2015
AuthorsPabst, S, Wang, D, Santra, R
JournalPhys. Rev. A
Date Published11/23/2015

Free-electron lasers (FELs) produce short and very intense light pulses in the XUV and x-ray regimes. We investigate the possibility to drive Rabi oscillations in xenon with an intense FEL pulse by using the unusually large dipole strength of the giant-dipole resonance (GDR). The GDR decays within less than 30 as due to its position, which is above the 4d ionization threshold. We find that intensities around 1018 W/cm2 are required to induce Rabi oscillations with a period comparable to the lifetime. The pulse duration should not exceed 100 as because xenon will be fully ionized within a few lifetimes. Rabi oscillations reveal themselves also in the photoelectron spectrum in form of Autler-Townes splittings extending over several tens of electronvolt.