Journal Article

PUBDB-2021-03641

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Strong-field coherent control of isolated attosecond pulse generation

Yang, Y.CFEL*Extern*DESY* ; Mainz, R. E.CFEL*Extern* ; Rossi, G. M.CFEL*Extern*DESY* ; Scheiba, F.CFEL*DESY* ; Silva Toledo, M. A.CFEL*Extern* ; Keathley, P. D. ; Cirmi, G.CFEL*DESY* ; Kärtner, F. (Corresponding author)CFEL*XFEL.EU*DESY*

2021
Nature Publishing Group UK London

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Please use a persistent id in citations: doi:10.1038/s41467-021-26772-0  doi:10.3204/PUBDB-2021-03641

Abstract: Attosecond science promises to reveal the most fundamental electronic dynamics occurring in matter and it can develop further by meeting two linked technological goals related to high-order harmonic sources: improved spectral tunability (allowing selectivity in addressing electronic transitions) and higher photon flux (permitting to measure low cross-section processes). New developments come through parametric waveform synthesis, which provides control over the shape of field transients, enabling the creation of highly-tunable isolated attosecond pulses via high-harmonic generation. Here we demonstrate that the first goal is fulfilled since central energy, spectral bandwidth/shape and temporal duration of isolated attosecond pulses can be controlled by shaping the laser waveform via two key parameters: the relative-phase between two halves of the multi-octave spanning spectrum, and the overall carrier-envelope phase. These results not only promise to expand the experimental possibilities in attosecond science, but also demonstrate coherent strong-field control of free-electron trajectories using tailored optical waveforms.

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Contributing Institute(s):

1. Ultrafast Lasers & X-rays Division (FS-CFEL-2)

Research Program(s):

1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)
2. DFG project 194651731 - EXC 1074: Hamburger Zentrum für ultraschnelle Beobachtung (CUI): Struktur, Dynamik und Kontrolle von Materie auf atomarer Skala (194651731) (194651731)
3. DFG project 390715994 - EXC 2056: CUI: Advanced Imaging of Matter (390715994) (390715994)
4. DFG project 255652344 - SPP 1840: Quantum Dynamics in Tailored Intense Fields (QUTIF) (255652344) (255652344)

Experiment(s):

1. Experiments at CFEL

Appears in the scientific report 2021

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