Interference effects in two-color high-order harmonic generation

Xinkui He; Marcus Dahlström; Rafal Rakowski; C. M. Heyl; Anders Persson; Johan Mauritsson; Anne L'Huillier

doi:10.1103/PhysRevA.82.033410

Interference effects in two-color high-order harmonic generation

Xinkui He, Marcus Dahlström, Rafal Rakowski, C. M. Heyl, Anders Persson, Johan Mauritsson, Anne L'Huillier

Atomic Physics

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Abstract

We study high-order harmonic generation in argon driven by an intense 800 nm laser field and a small fraction of its second harmonic. The intensity and divergence of the emitted even and odd harmonics are strongly modulated as a function of the relative delay between the two fields. We provide a detailed analysis of the underlying interference effects. The interference changes drastically when approaching the cutoff region due to a switch of the dominant trajectory responsible for harmonic generation.

Original language	English
Journal	Physical Review A (Atomic, Molecular and Optical Physics)
Volume	82
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.82.033410
Publication status	Published - 2010

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Atom and Molecular Physics and Optics

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10.1103/PhysRevA.82.033410

xinkui2010

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title = "Interference effects in two-color high-order harmonic generation",

abstract = "We study high-order harmonic generation in argon driven by an intense 800 nm laser field and a small fraction of its second harmonic. The intensity and divergence of the emitted even and odd harmonics are strongly modulated as a function of the relative delay between the two fields. We provide a detailed analysis of the underlying interference effects. The interference changes drastically when approaching the cutoff region due to a switch of the dominant trajectory responsible for harmonic generation.",

author = "Xinkui He and Marcus Dahlstr{\"o}m and Rafal Rakowski and Heyl, {C. M.} and Anders Persson and Johan Mauritsson and Anne L'Huillier",

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AU - He, Xinkui

AU - Dahlström, Marcus

AU - Rakowski, Rafal

AU - Heyl, C. M.

AU - Persson, Anders

AU - Mauritsson, Johan

AU - L'Huillier, Anne

PY - 2010

Y1 - 2010

N2 - We study high-order harmonic generation in argon driven by an intense 800 nm laser field and a small fraction of its second harmonic. The intensity and divergence of the emitted even and odd harmonics are strongly modulated as a function of the relative delay between the two fields. We provide a detailed analysis of the underlying interference effects. The interference changes drastically when approaching the cutoff region due to a switch of the dominant trajectory responsible for harmonic generation.

AB - We study high-order harmonic generation in argon driven by an intense 800 nm laser field and a small fraction of its second harmonic. The intensity and divergence of the emitted even and odd harmonics are strongly modulated as a function of the relative delay between the two fields. We provide a detailed analysis of the underlying interference effects. The interference changes drastically when approaching the cutoff region due to a switch of the dominant trajectory responsible for harmonic generation.

U2 - 10.1103/PhysRevA.82.033410

DO - 10.1103/PhysRevA.82.033410

M3 - Article

SN - 1050-2947

VL - 82

JO - Physical Review A (Atomic, Molecular and Optical Physics)

JF - Physical Review A (Atomic, Molecular and Optical Physics)

IS - 3

ER -

Interference effects in two-color high-order harmonic generation

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