Isolated attosecond pulses using a detuned second=hairmonic field

被引：79

作者：

Merdji, Hamed

Auguste, Thierry

Boutu, Willem

Caumes, J. -Pascal

Carre, Bertrand

Pfeifer, Thomas

Jullien, Aurelie

Neumark, Daniel M.

Leone, Stephen R.

机构：

[1] Ctr Etud Saclay, Commissariat Energie Atom, Serv Photons Atomes & Mol, F-91191 Gif Sur Yvette, France

[2] SLAC, Stanford PULSE Ctr, Menlo Pk, CA 94025 USA

[3] Univ Calif Berkeley, Dept Chem & Phys, Berkeley, CA 94720 USA

[4] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA

来源：

OPTICS LETTERS | 2007年 / 32卷 / 21期

关键词：

D O I：

10.1364/OL.32.003134

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 2 omega. The slight detuning delta omega 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. (D 2007 Optical Society of America

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页码：3134 / 3136

页数：3

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