http://www.cnr.it/ontology/cnr/individuo/prodotto/ID933
Controlling attosecond electron dynamics by phase-stabilized polarization gating (Articolo in rivista)
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- Label
- Controlling attosecond electron dynamics by phase-stabilized polarization gating (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1038/nphys281 (literal)
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- I.J. Sola; E. Mevel; L. Elouga; E. Constant; V. Strelkov; L. Poletto; P. Villoresi; E. Benedetti; J.P. Caumes; S. Stagira; C. Vozzi; G. Sansone; M. Nisoli (literal)
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- ISI Web of Science (WOS) (literal)
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- 1-4 : Centre Lasers Intenses et Applications, Université Bordeaux I, UMR 5107 (CNRS, Bordeaux 1, CEA), 351 Cours de la Liberation, 33405 Talence Cédex, France
5 : General Physics Institute, Russian Academy of Sciences, 38 Vavilova st., Moscow 119991, Russian Federation
6-7 : Department of Information Engineering, Laboratory of Ultraviolet and X-ray Optical Research, University of Padova, Via Gradenigo, 6, 35131 Padova, Italy
8-13 : Department of Physics, National Laboratory for Ultrafast and Ultraintense Optical Science, Politecnico of Milan, Piazza L. da Vinci 32, 20133 Milano, Italy (literal)
- Titolo
- Controlling attosecond electron dynamics by phase-stabilized polarization gating (literal)
- Abstract
- Attosecond electron wavepackets are produced when an intense laser field ionizes an atom or a molecule(1). When the laser field drives the wavepackets back to the parent ion, they interfere with the bound wavefunction, producing coherent subfemtosecond extreme-ultraviolet light bursts. When only a single return is possible(2,3), an isolated attosecond pulse is generated. Here we demonstrate that by modulating the polarization of a carrier-envelope phase-stabilized short laser pulse(4), we can finely control the electron-wavepacket dynamics. We use high-order harmonic generation to probe these dynamics. Under optimized conditions, we observe the signature of a single return of the electron wavepacket over a large range of energies. This temporally confines the extreme-ultraviolet emission to an isolated attosecond pulse with a broad and tunable bandwidth. Our approach is very general, and extends the bandwidth of attosecond isolated pulses in such a way that pulses of a few attoseconds seem achievable. Similar temporal resolution could also be achieved by directly using the broadband electron wavepacket. This opens up a new regime for time-resolved tomography of atomic or molecular wavefunctions(5,6) and ultrafast dynamics. (literal)
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