Fractional high-harmonic combs by attosecond-precision split-spectrum pulse control

Philipp Raith, Christian Ott, Christopher P. Anderson, Andreas Kaldun, Kristina Meyer, Martin Laux, Yizhu Zhang, Thomas Pfeifer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Few-cycle laser fields enable pulse-shaping control of high-order harmonic generation by time delaying variable broadband spectral sections. We report the experimental generation of fractional (noninteger) high-harmonic combs by the controlled interference of two attosecond pulse trains. Additionally the energy of the high harmonics is strongly tuned with the relative time delay. We quantify the tuning to directly result from the controlled variation of the instantaneous laser frequency at the shaped driver pulse intensity maximum.

Original languageEnglish (US)
Title of host publication18th International Conference on Ultrafast Phenomena, UP 2012
DOIs
StatePublished - 2013
Externally publishedYes
Event18th International Conference on Ultrafast Phenomena, UP 2012 - Lausanne, Switzerland
Duration: Jul 8 2012Jul 13 2012

Publication series

NameEPJ Web of Conferences
Volume41
ISSN (Print)2101-6275
ISSN (Electronic)2100-014X

Other

Other18th International Conference on Ultrafast Phenomena, UP 2012
Country/TerritorySwitzerland
CityLausanne
Period7/8/127/13/12

ASJC Scopus subject areas

  • General Physics and Astronomy

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