Degenerate four-wave mixing mediated by ponderomotive-force-driven plasma gratings

K. H. Lee, C. H. Pai, M. W. Lin, L. C. Ha, J. Y. Lin, J. Wang, S. Y. Chen

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Degenerate four-wave mixing mediated by ponderomotive-force-driven plasma gratings is demonstrated in the near-infrared regime. The quadratic dependence of the reflectivity of the probe pulse on plasma density indicates that the mixing is caused by the quasineutral plasma grating driven by the laser ponderomotive force. The experiment verifies that ponderomotive force is an effective means to produce a large-amplitude short-period plasma grating, which has many important applications in ultrahigh-intensity optics. In particular, such a grating is a crucial element for the development of plasma phase-conjugate mirrors that can be used to restore the wave-front distortion that is ubiquitous in nonlinear propagation.

Original languageEnglish
Article number036403
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume75
Issue number3
DOIs
StatePublished - 26 Mar 2007

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