Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering

J Vieira, R. M. G. M. Trines, E. P. Alves, R.A. Fonseca, J. T. Mendonça, R. Bingham, P. Norreys, L.O. Silva

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Twisted Laguerre–Gaussian lasers, with orbital angular momentum and characterized 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 ultra-high-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 nonlinear optics and high–energy-density science, compact plasma-based accelerators and light sources.
LanguageEnglish
Number of pages7
JournalNature Communications
Volume7
DOIs
Publication statusPublished - 28 Jan 2016

Fingerprint

Stimulated Raman scattering
Raman Spectrum Analysis
Amplification
Laser pulses
Lasers
Raman spectra
Plasmas
pulses
lasers
Astrophysics
Nonlinear optics
Angular momentum
Positrons
Backscattering
Optical communication
Light
Particle accelerators
Light sources
nonlinear optics
quantum computation

Keywords

  • Laguerre–Gaussian lasers
  • twisted light
  • plasma-based acceleration
  • high-gradient positron acceleration
  • Raman backscattering
  • petawatt itensities

Cite this

Vieira, J ; Trines, R. M. G. M. ; Alves, E. P. ; Fonseca, R.A. ; Mendonça, J. T. ; Bingham, R. ; Norreys, P. ; Silva, L.O. / Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering. In: Nature Communications. 2016 ; Vol. 7.
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Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering. / Vieira, J; Trines, R. M. G. M.; Alves, E. P.; Fonseca, R.A.; Mendonça, J. T.; Bingham, R.; Norreys, P.; Silva, L.O.

In: Nature Communications, Vol. 7, 28.01.2016.

Research output: Contribution to journalArticle

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AU - Trines, R. M. G. M.

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AU - Mendonça, J. T.

AU - Bingham, R.

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