Journal
Article title
Title variants
Languages of publication
Abstracts
The high harmonics produced by focusing an intense femtosecond laser in a gas are theoretically shown to be locked in phase. The physics of this locking is discussed and a new method based on quantum interference in two-photon, two-color ionization allowing to retrieve the relative phase of harmonic pairs is described. The main result is that the 5 harmonics of orders 11-19 produced in argon generate a train of subfemtosecond pulses with a period of 1.35 fs and a duration of 250 attoseconds.
Discipline
- 42.65.Re: Ultrafast processes; optical pulse generation and pulse compression(for ultrafast spectroscopy, see 78.47.J-; for ultrafast magnetization dynamics, see 75.78.Jp)
- 32.80.Rm: Multiphoton ionization and excitation to highly excited states
- 42.65.Ky: Frequency conversion; harmonic generation, including higher-order harmonic generation(see also 42.79.Nv Optical frequency converters)
Journal
Year
Volume
Issue
Pages
313-324
Physical description
Dates
published
2002-03
received
2001-06-20
Contributors
author
- Commissariatá l'Energie Atomique, Centre d'Etudes de Saclay, 91191 Gif sur Yvette, France
author
- Commissariatá l'Energie Atomique, Centre d'Etudes de Saclay, 91191 Gif sur Yvette, France
author
- Commissariatá l'Energie Atomique, Centre d'Etudes de Saclay, 91191 Gif sur Yvette, France
author
- FOM AMOLF, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
author
- FOM AMOLF, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
author
- Laboratoire d'Optique Appliquée, ENSTA, Ecole Polytechnique, CNRS UMR, 7639 91761 Palaiseau Cedex, France
author
- Laboratoire d'Optique Appliquée, ENSTA, Ecole Polytechnique, CNRS UMR, 7639 91761 Palaiseau Cedex, France
author
- Laboratoire d'Optique Appliquée, ENSTA, Ecole Polytechnique, CNRS UMR, 7639 91761 Palaiseau Cedex, France
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv101n301kz