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@INPROCEEDINGS{Rossi:607075,
      author       = {Rossi, Giulio Maria and Scheiba, Fabian and Silva Toledo,
                      Miguel Angel and Mainz, Roland E. and Kubullek, Maximilian
                      and rafael, garcia and Kärtner, Franz},
      title        = {{C}ut-{O}ff {E}xtension of {H}igh-{H}armonic {G}eneration
                      in {N}eon by {N}on-{S}inusoidal {S}ub-{C}ycle {O}ptical
                      {W}aveforms},
      reportid     = {PUBDB-2024-01773},
      pages        = {1},
      year         = {2024},
      abstract     = {Extending the spectrum of attosecond pulses obtained via
                      high-harmonic generation toward higher photon-energies is an
                      important goal for attosecond spectroscopy.An extension of
                      the cut-off photon energy of the high-harmonic spectrum is
                      observed when the process is driven by non-sinusoidal
                      waveforms with durations down to belowa single optical
                      cycle. Specifically, while the phase-matched high-harmonic
                      spectra generated in Neon by a "sinusoidal" pulse, with a
                      wavelength of 1.6 μm and durationof 1.5 optical cycles,
                      extends up to ~350 eV, the spectra driven by a
                      non-sinusoidal pulse, with a central wavelength of 1.4 μm
                      and duration down to 0.5 optical cycles,extends up to ~400
                      eV.This shows experimentally how non-sinusoidal sub-cycle
                      waveforms violate the well known proportionality of the
                      cut-off photon energy with the square of the central
                      wavelength.},
      month         = {Feb},
      date          = {2024-02-28},
      organization  = {Final AttoChem Workshop, La Laguna
                       (Spain), 28 Feb 2024 - 1 Mar 2024},
      cin          = {FS-CFEL-2},
      cid          = {I:(DE-H253)FS-CFEL-2-20120731},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631)},
      pid          = {G:(DE-HGF)POF4-631},
      experiment   = {EXP:(DE-H253)CFEL-Exp-20150101},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://bib-pubdb1.desy.de/record/607075},
}