Isolated attosecond pulses using a detuned second-harmonic field | Zendy

H. Merdji | Zendy; T. Auguste | Zendy; Willem Boutu | Zendy; Jean-Pascal Caumes | Zendy; B. Carré | Zendy; Thomas Pfeifer | Zendy; Aurélie Jullien | Zendy; Daniel M. Neumark | Zendy; Stephen R. Leone | Zendy

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Isolated attosecond pulses using a detuned second-harmonic field

Author(s) -

H. Merdji,

T. Auguste,

Willem Boutu,

Jean-Pascal Caumes,

B. Carré,

Thomas Pfeifer,

Aurélie Jullien,

Daniel M. Neumark,

Stephen R. Leone

Publication year - 2007

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.32.003134

Subject(s) - attosecond , physics , optics , electric field , pulse (music) , wave packet , high harmonic generation , field (mathematics) , harmonic , electron , atomic physics , ultrashort pulse , laser , quantum mechanics , mathematics , detector , pure mathematics

Calculations are presented for the generation of an isolated attosecond pulse in a multicycle two-color strong-field regime. We show that the recollision of the electron wave packet can be confined to half an optical cycle using pulses of up to 40 fs in duration. The scheme is proven to be efficient using two intense beams, one producing a strong field at omega and the other a strong field detuned from 2omega. The slight detuning deltaomega of the second harmonic is used to break the symmetry of the electric field over many optical cycles and provides a coherent control for the formation of an isolated attosecond pulse.

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