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

Author

Listed:
  • J. Vieira

    (GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa)

  • R. M. G. M. Trines

    (Central Laser Facility, STFC Rutherford Appleton Laboratory)

  • E. P. Alves

    (GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa)

  • R. A. Fonseca

    (GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa
    DCTI/ISCTE Lisbon University Institute)

  • J. T. Mendonça

    (GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa)

  • R. Bingham

    (Central Laser Facility, STFC Rutherford Appleton Laboratory
    107 Rottenrow East)

  • P. Norreys

    (Central Laser Facility, STFC Rutherford Appleton Laboratory
    University of Oxford)

  • L. O. Silva

    (GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa)

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.

Suggested Citation

  • J. Vieira & R. M. G. M. Trines & E. P. Alves & R. A. Fonseca & J. T. Mendonça & R. Bingham & P. Norreys & L. O. Silva, 2016. "Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10371
    DOI: 10.1038/ncomms10371
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