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Subcycle surface electron emission driven by strong-field terahertz waveforms

Author

Listed:
  • Shaoxian Li

    (University of Pécs
    Tianjin University)

  • Ashutosh Sharma

    (ELI-ALPS Research Institute, ELI-HU Non-Profit Ltd.)

  • Zsuzsanna Márton

    (ELI-ALPS Research Institute, ELI-HU Non-Profit Ltd.
    University of Pécs)

  • Priyo S. Nugraha

    (University of Pécs
    HUN-REN-PTE High-Field Terahertz Research Group)

  • Csaba Lombosi

    (University of Pécs)

  • Zoltán Ollmann

    (University of Pécs
    University of Pécs)

  • István Márton

    (Wigner Research Centre for Physics
    Institute for Nuclear Research (Atomki))

  • Péter Dombi

    (ELI-ALPS Research Institute, ELI-HU Non-Profit Ltd.
    Wigner Research Centre for Physics)

  • János Hebling

    (University of Pécs
    University of Pécs
    HUN-REN-PTE High-Field Terahertz Research Group)

  • József A. Fülöp

    (University of Pécs
    ELI-ALPS Research Institute, ELI-HU Non-Profit Ltd.)

Abstract

The advent of intense terahertz (THz) sources opened a new era when the demonstration of the acceleration and manipulation of free electrons by THz pulses became within reach. THz-field-driven electron emission was predicted to be confined to a single burst due to the single-cycle waveform. Here we demonstrate the confinement of single-cycle THz-waveform-driven electron emission to one of the two half cycles from a solid surface emitter. Either the leading or the trailing half cycle was active, controlled by reversing the field polarity. THz-driven single-burst surface electron emission sources, which do not rely on field-enhancement structures, will impact the development of THz-powered electron acceleration and manipulation devices, all-THz compact electron sources, THz waveguides and telecommunication, THz-field-based measurement techniques and solid-state devices.

Suggested Citation

  • Shaoxian Li & Ashutosh Sharma & Zsuzsanna Márton & Priyo S. Nugraha & Csaba Lombosi & Zoltán Ollmann & István Márton & Péter Dombi & János Hebling & József A. Fülöp, 2023. "Subcycle surface electron emission driven by strong-field terahertz waveforms," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42316-0
    DOI: 10.1038/s41467-023-42316-0
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    References listed on IDEAS

    as
    1. G. G. Paulus & F. Grasbon & H. Walther & P. Villoresi & M. Nisoli & S. Stagira & E. Priori & S. De Silvestri, 2001. "Absolute-phase phenomena in photoionization with few-cycle laser pulses," Nature, Nature, vol. 414(6860), pages 182-184, November.
    2. Sha Li & R. R. Jones, 2016. "High-energy electron emission from metallic nano-tips driven by intense single-cycle terahertz pulses," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
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