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DOE OSTI · 1908337

Super-resonant four-photon collinear laser frequency multiplication in plasma

Malkin, V. M.·Fisch, N. J.
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Abstract

Resonant four-photon scattering could nearly double frequencies of intense laser pulses in plasma. However, transverse slippage between pulses presents a technological challenge, while collinear four-photon scattering is forbidden for classical light dispersion in plasma. Nonlinear renormalization of intense laser pulses can enable collinear four-photon resonance. However, such a very intensity-sensitive resonance is difficult to maintain for evolving pulses. Remarkably, there is a lower-dimensionality submanifold of the resonant four-photon manifold where the evolving pulses stay in resonance. Furthermore this could enable an all-optical frequency doubling of mildly relativistic-intense laser pulses in collinear geometry, advantageously free of the transverse slippage challenges.

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70 PLASMA PHYSICS AND FUSION TECHNOLOGYCoupled oscillatorsElectromagnetic waves & oscillationsLaser-plasma interactionsNonlinear phenomena in plasmasPlasma wavesWave-wave, wave-particle interactions

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BibTeXRIS

Malkin, V. M., Fisch, N. J.. 2022-04-18. Super-resonant four-photon collinear laser frequency multiplication in plasma. https://doi.org/10.1103/physreve.105.045207

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