Attoscience and ultrafast optics

Recent Submissions

  • Transient Attosecond Soft-X-Ray Spectroscopy in Layered Semi-Metals 

    Sidiropolous, T. P.H.; Di Palo, N.; Rivas, D. E.; Severino, S.; Reduzzi, M.; Buades, B.; Leon, I.; Cousin, S. L.; Hemmer, M.; Cocchi, C.; Pellegrin, E.; Herrero Martin, J.; Mañas-Valero, S.; Coronado, E.; Danz, T.; Draxi, C.; Uemoto, M.; Yabana, K.; Schultze8, M.; Wall, S.; Picon, A.; Biegert, J. (SPIE, 2020)
    Conference lecture
    Open Access
    X-ray absorption fine-structure (XAFS) spectroscopy is a well-established technique capable of extracting information about a material’s electronic and lattice structure with atomic resolution. While the near-edge region ...

  • Role of high ponderomotive energy in laser-induced nonsequential double ionization 

    Shaaran, T.; Camus, N.; Dura, J.; Fechner, L.; Thai, A.; Britz, A.; Baudisch, M.; Steinle, T.; Senftleben, A.; Schröter, C. D.; Ullrich, J.; Pfeifer, T.; Keitel, C. H.; Biegert, J.; Hatsagortsyan, K. Z.; Moshammer, R. (APS, 2019-02-19)
    Article
    Open Access
    The laser-induced nonsequential double ionization (NSDI) of rare gas atoms in the near and mid-IR laser fields is studied experimentally and theoretically. We investigate electron-electron correlation at high recollision ...

  • Symphony on strong field approximation 

    Amini, Kasra; Biegert, Jens; Calegari, Francesca; Chacón, Alexis; Ciappina, Marcelo F.; Dauphin, Alexandre; Efimov, Dmitry K.; Figueira de Morisson Faria, Carla; Giergiel, Krzysztof; Gniewek, Piotr; Landsman, Alexandra S.; Lesiuk, Michał; Mandrysz, Michał; Maxwell, Andrew S.; Moszynski, Robert; Ortmann, Lisa; Pérez-Hernández, Jose Antonio; Picón, Antonio; Pisanty, Emilio; Prauzner-Bechcicki, Jakub; Sacha, Krzysztof; Suárez, Noslen; Zaïr, Amelle; Zakrzewski, Jakub; Lewenstein, Maciej (IOP, 2019-10-14)
    Article
    Open Access
    This paper has been prepared by the Symphony collaboration (University of Warsaw, Uniwersytet Jagielloński, DESY/CNR and ICFO) on the occasion of the 25th anniversary of the ‘simple man’s models’ which underlie most of ...

  • Ultrafast nonlinear optical response of Dirac fermions in graphene 

    Baudisch, Matthias; Marini, Andrea; Cox, Joel D.; Zhu, Tony; Silva, Francisco; Teichmann, Stephan; Massicotte, Mathieu; Koppens, Frank; Levitov, Leonid S.; García de Abajo, F. Javier; Biegert, Jens (Nature, 2018-03-09)
    Article
    Open Access
    The speed of solid-state electronic devices, determined by the temporal dynamics of charge carriers, could potentially reach unprecedented petahertz frequencies through direct manipulation by optical fields, consisting ...

  • Next Generation Driver for Attosecond and Laser-plasma Physics 

    Rivas, D. E.; Borot, A.; Cardenas, D. E.; Marcus, G.; Gu, X.; Herrmann, D.; Xu, J.; Tan, J.; Kormin, D.; Ma, G.; Dallari, W.; Tsakiris, G. D.; Földes, I. B.; Chou, S.-w.; Weidman, M.; Bergues, B.; Wittmann, T.; Schröder, H.; Tzallas, P.; Charalambidis, D.; Razskazovskaya, O.; Pervak, V.; Krausz, F.; Veisz, L. (Nature, 2017-07-12)
    Article
    Open Access
    The observation and manipulation of electron dynamics in matter call for attosecond light pulses, routinely available from high-order harmonic generation driven by few-femtosecond lasers. However, the energy limitation of ...

  • Ultrafast electron diffraction imaging of bond breaking in di-ionized acetylene 

    Wolter, B.; Pullen, M. G.; Le, A.-T.; Baudisch, M.; Doblhoff-Dier, K.; Senftleben, A.; Hemmer, M.; Schröter, C. D.; Ullrich, J.; Pfeifer, T.; Moshammer, R.; Gräfe, S.; Vendrell, O.; Lin, C. D.; Biegert, Jens (Science, 2016-10-16)
    Article
    Open Access
    Visualizing chemical reactions as they occur requires atomic spatial and femtosecond temporal resolution. Here, we report imaging of the molecular structure of acetylene (C2H2) 9 femtoseconds after ionization. Using ...

  • Ultrashort pulse generation in the mid-IR 

    Pires, H.; Baudisch, M.; Sanchez, D.; Hemmer, M.; Biegert, Jens (Elsevier, 2015-09-01)
    Article
    Open Access
    Recent developments in laser sources operating in the mid-IR (3–8μm) have been motivated by the numerous possibilities for both fundamental and applied research. One example is the ability to unambiguously detect pollutants ...

  • Three-wave mixing mediated femtosecond pulse compression in BBO 

    Grün, A.; Austin, Dane R.; Cousin, Seth L.; Biegert, Jens (OSA, 2015-10-15)
    Article
    Open Access
    Nonlinear pulse compression mediated by three-wave mixing is demonstrated for ultrashort Ti:sapphire pulses in a type II phase-matched 𝛽�β-barium borate (BBO) crystal using noncollinear geometry. 170 μJ pulses at 800 nm ...

  • Kinematically complete measurements of strong eld ionisation with mid-IR pulses 

    Pullen, Michael G.; Dura, Judith; Wolter, Benjamin; Baudisch, Matthias; Hemmer, Michael; Camus, Nicolas; Senftleben, Arne; Schroeter, Claus Dieter; Moshammer, Robert; Ullrich, Joachim; Biegert, Jens (IOP, 2014-10-08)
    Article
    Open Access
    Recent observations of three unique peaks near 1 eV, 100 meV and 1 meV in the electron spectra generated by ionization using intense mid-IR pulses have challenged the current understanding of strong-field (SF) ionization. ...

  • Broadband mid-IR frequency comb with CSP and AGS from a Er,Tm:Ho fiber laser 

    Sánchez, D.; Hemmer, M.; Baudisch, M.; Zawilski, K.; Schunemann, P.; Hoogland, H.; Holzwarth, R.; Biegert, Jens (OSA, 2014-12-15)
    Article
    Open Access
    We report on the generation of a 2500 nm bandwidth frequency comb at 6.5 μm central wavelength based on critically phase-matched parametric down-conversion in the nonlinear crystal CdSiP 2 CdSiP2 (CSP), driven by a ...

  • High flux table-top soft X-ray source driven by sub-2-cycle, CEP stable, 1.85 μm 1 kHz pulses for carbon K-edge spectroscopy 

    Cousin, S. L.; Silva, F.; Teichmann, S.; Hemmer, M.; Buades, B.; Biegert, Jens (OSA, 2014-09-15)
    Article
    Open Access
    We report on the first table-top high flux source of coherent soft X-ray radiation up to 400 eV, operating at 1 kHz. This source covers the carbon K-edge with a beam brilliance of (4.3 ± 1.2) × 1015 photons/s/mm2/strad/10% ...

  • Performance of MgO:PPLN, KTA, and KNbO3 for mid-wave infrared broadband parametric amplification at high average power 

    Baudisch, M.; Hemmer, M.; Pires, H.; Biegert, Jens (OSA, 2014-10-15)
    Article
    Open Access
    The performance of KNbO3, MgO:PPLN and KTA were experimentally compared for broadband mid-wave infrared parametric amplification at high repetition rate. The seed pulses with an energy of 6.5 μJ were amplified using 410 ...

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