Unified microscopic-macroscopic formulation of high-order difference-frequency mixing in plasmas

Oren Cohen; Tenio Popmintchev; David M. Gaudiosi; Margaret M. Murnane; Henry C. Kapteyn

doi:10.1103/PhysRevLett.98.043903

Unified microscopic-macroscopic formulation of high-order difference-frequency mixing in plasmas

Oren Cohen^*, Tenio Popmintchev, David M. Gaudiosi, Margaret M. Murnane, Henry C. Kapteyn

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We investigate high-order difference-frequency mixing in plasmas, taking into account the microscopic rescattering physics and propagation effects for the first time. We show that phase matching can occur over a broad frequency range, up to very high photon energies, and that it is confined to specific temporal and spatial windows. This gated phase matching mechanism is driven by the continuous phase slip between two driving fields and can be employed for manipulating the temporal, spatial, and spectral properties of high harmonic emission.

Original language	English
Article number	043903
Journal	Physical Review Letters
Volume	98
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.98.043903
State	Published - 2007
Externally published	Yes

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10.1103/PhysRevLett.98.043903

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abstract = "We investigate high-order difference-frequency mixing in plasmas, taking into account the microscopic rescattering physics and propagation effects for the first time. We show that phase matching can occur over a broad frequency range, up to very high photon energies, and that it is confined to specific temporal and spatial windows. This gated phase matching mechanism is driven by the continuous phase slip between two driving fields and can be employed for manipulating the temporal, spatial, and spectral properties of high harmonic emission.",

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AU - Kapteyn, Henry C.

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AB - We investigate high-order difference-frequency mixing in plasmas, taking into account the microscopic rescattering physics and propagation effects for the first time. We show that phase matching can occur over a broad frequency range, up to very high photon energies, and that it is confined to specific temporal and spatial windows. This gated phase matching mechanism is driven by the continuous phase slip between two driving fields and can be employed for manipulating the temporal, spatial, and spectral properties of high harmonic emission.

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Unified microscopic-macroscopic formulation of high-order difference-frequency mixing in plasmas

Abstract

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