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  Fractional high-order harmonic combs and energy tuning by attosecond-precision split-spectrum pulse control

Raith, P., Ott, C. R., Anderson, C. P., Kaldun, A., Meyer, K., Laux, M., et al. (2012). Fractional high-order harmonic combs and energy tuning by attosecond-precision split-spectrum pulse control. Applied Physics Letters, 100(12): 121104, pp. 1-5. doi:http://link.aip.org/link/doi/10.1063/1.3693615.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000E-8B2F-4 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000E-8B30-F
Genre: Journal Article

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http://link.aip.org/link/doi/10.1063/1.3693615 (Publisher version)
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 Creators:
Raith, Philipp1, Author           
Ott, Christian Reinhold1, Author           
Anderson, Christopher P., Author
Kaldun, Andreas1, Author           
Meyer, Kristina, Author
Laux, Martin1, Author           
Zhang, Yizhu, Author
Pfeifer, Thomas1, Author           
Affiliations:
1Thomas Pfeifer - Independent Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907555              

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 Abstract: We experimentally control high-order harmonic generation by applying a versatile few-cycle pulse-shape control method: splitting up a single broadband continuous laser spectrum into two sections and applying sub-femtosecond relative time delays. For certain time delays, fractional high-harmonic combs (noninteger harmonics) are generated which we find to result from the controlled interference of two attosecond pulse trains. We also observe time-delay-dependent energy-tunability of the high-order harmonics for an asymmetrically split spectrum consisting of a strong and a weak component. The tuning mechanism is quantitatively understood by the controlled modulation of the instantaneous driver frequency at the peak of the shaped laser pulse.

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Language(s): eng - English
 Dates: 2012-03-19
 Publication Status: Published online
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: http://link.aip.org/link/doi/10.1063/1.3693615
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Title: Applied Physics Letters
Source Genre: Journal
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Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 100 (12) Sequence Number: 121104 Start / End Page: 1 - 5 Identifier: ISSN: 0003-6951
CoNE: https://pure.mpg.de/cone/journals/resource/954922836223