Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering
arXiv:1603.02930 · doi:10.1038/ncomms10371
Abstract
Twisted Laguerre-Gaussian lasers, with orbital angular momentum and characterised by doughnut shaped intensity profiles, provide a transformative set of tools and research directions in a growing range of fields and applications, from super-resolution microcopy and ultra-fast optical communications to quantum computing and astrophysics. The impact of twisted light is widening as recent numerical calculations provided solutions to long-standing challenges in plasma-based acceleration by allowing for high gradient positron acceleration. The production of ultrahigh intensity twisted laser pulses could then also have a broad influence on relativistic laser-matter interactions. Here we show theoretically and with ab-initio three-dimensional particle-in-cell simulations, that stimulated Raman backscattering can generate and amplify twisted lasers to Petawatt intensities in plasmas. This work may open new research directions in non-linear optics and high energy density science, compact plasma based accelerators and light sources.
18 pages, 4 figures, 1 table
References in corpus (9)
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- Twisting of light around rotating black holes
- Nonlinear laser driven donut wakefields for positron and electron acceleration
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- Nonlinear Transformation of Orbital Angular Momentum through Quasi-phase Matching
- Production of picosecond, kilojoule, petawatt laser pulses via Raman amplification of nanosecond pulses
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Cited by in corpus (32)
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- Harmonics Effect on Ion-Bulk Waves in CH Plasmas
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- Spin-orbit interaction in a high-power laser irradiated micro-scale plasma waveguide
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- Laser-Plasma Interactions Enabled by Emerging Technologies