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  • Nandi, SaikatUniversity of Lyon (author)

Observation of Rabi dynamics with a short-wavelength free-electron laser

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-08-17
  • Springer Science and Business Media LLC,2022

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/318695
  • https://gup.ub.gu.se/publication/318695URI
  • https://doi.org/10.1038/s41586-022-04948-yDOI
  • https://lup.lub.lu.se/record/fddf3612-c4e7-4a66-9994-059c665aa172URI

Supplementary language notes

  • Language:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Rabi oscillations are periodic modulations of populations in two-level systems interacting with a time-varying field(1). They are ubiquitous in physics with applications in different areas such as photonics(2), nano-electronics(3), electron microscopy(4) and quantum information(5). While the theory developed by Rabi was intended for fermions in gyrating magnetic fields, Autler and Townes realized that it could also be used to describe coherent light-matter interactions within the rotating-wave approximation(6). Although intense nanometre-wavelength light sources have been available for more than a decade(7-9), Rabi dynamics at such short wavelengths has not been directly observed. Here we show that femtosecond extreme-ultraviolet pulses from a seeded free-electron laser(10) can drive Rabi dynamics between the ground state and an excited state in helium atoms. The measured photoelectron signal reveals an Autler-Townes doublet and an avoided crossing, phenomena that are both fundamental to coherent atom-field interactions(11). Using an analytical model derived from perturbation theory on top of the Rabi model, we find that the ultrafast build-up of the doublet structure carries the signature of a quantum interference effect between resonant and non-resonant photoionization pathways. Given the recent availability of intense attosecond(12) and few-femtosecond(13) extreme-ultraviolet pulses, our results unfold opportunities to carry out ultrafast manipulation of coherent processes at short wavelengths using free-electron lasers.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Olofsson, EdvinLund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ed3338ol (author)
  • Bertolino, MattiasLund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ma7212be (author)
  • Carlström, StefanosLund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-scm (author)
  • Zapata, FelipeLund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fe4032za (author)
  • Busto, DavidLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)da4401bu (author)
  • Callegari, C.Elettra Sincrotrone Trieste (author)
  • Di Fraia, M.Elettra Sincrotrone Trieste,European XFEL GmbH (author)
  • Eng-Johnsson, PerLund University,Lunds universitet,Lunds lasercentrum, LLC,Annan verksamhet, LTH,Lunds Tekniska Högskola,Atomfysik,Fysiska institutionen,Institutioner vid LTH,LTH profilområde: Avancerade ljuskällor,LTH profilområden,Lund Laser Centre, LLC,Other operations, LTH,Faculty of Engineering, LTH,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,LTH Profile areas,Faculty of Engineering, LTH(Swepub:lu)fysi-pj0 (author)
  • Feifel, RaimundUniversity of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xfeira (author)
  • Gallician, G.University of Paris-Saclay (author)
  • Gisselbrecht, MathieuLund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)maxl-mgi (author)
  • Maclot, Sylvain,1986University of Gothenburg,Lund University,Lunds universitet,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-sam (author)
  • Neoričić, LanaLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)la0243ne (author)
  • Peschel, JasperLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ja8782pe (author)
  • Plekan, O.Elettra Sincrotrone Trieste (author)
  • Prince, K. C. (author)
  • Squibb, Richard J.University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xsquri (author)
  • Zhong, ShiyangLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)sh6571zh (author)
  • Demekhin, P. V.University of Kassel (author)
  • Meyer, M. (author)
  • Miron, C.University of Paris-Saclay (author)
  • Badano, L.Elettra Sincrotrone Trieste (author)
  • Danailov, M. B.Elettra Sincrotrone Trieste (author)
  • Giannessi, L.Elettra Sincrotrone Trieste (author)
  • Manfredda, M. (author)
  • Sottocorona, F.Elettra Sincrotrone Trieste (author)
  • Zangrando, M.Elettra Sincrotrone Trieste (author)
  • Dahlström, Jan MarcusLund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ma0303da (author)
  • University of LyonMatematisk fysik (creator_code:org_t)

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