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Peer-reviewedCC BY-NC-NDOptics Communications

Self-compression of 5- μ m pulses in hollow waveguides

  • Martin Bock
  • Usman Sapaev
  • Ji Eun Bae
  • Anton Husakou
  • Joachim Herrmann
  • Tamas Nagy
  • Uwe Griebner
Open at sourceDOICite

Abstract

We experimentally and numerically investigate self-compression of pulses around 5 μ m wavelength in a noble-gas-filled hollow waveguides. We demonstrate spectral broadening of multi-mJ pulses at 4 . 9 μ m and associated pulse compression from 85 fs to 47 fs in the solitonic pulse compression regime. The self-compression resulted in sub-three-cycle pulses with 17 GW peak power in the 1-kHz pulse train. A numerical model is established and benchmarked against the experimental results. It allows further insights into the pulse compression process, such as scaling of the compression as a function of gas pressure and waveguide radius, and predicts pulse compression in sub-cycle regime for realistic input parameters.

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Cite

BibTeXRIS
BibTeX
@article{bock2026selfcompression,
  title = {{Self-compression of 5- μ m pulses in hollow waveguides}},
  author = {Martin Bock and Usman Sapaev and Ji Eun Bae and Anton Husakou and Joachim Herrmann and Tamas Nagy and Uwe Griebner},
  journal = {Optics Communications},
  year = {2026},
  month = oct,
  doi = {10.1016/j.optcom.2025.131584},
  url = {https://hal.science/hal-05786245v1},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Self-compression of 5- μ m pulses in hollow waveguides
AU  - Martin Bock
AU  - Usman Sapaev
AU  - Ji Eun Bae
AU  - Anton Husakou
AU  - Joachim Herrmann
AU  - Tamas Nagy
AU  - Uwe Griebner
PY  - 2026
DA  - 2026/10/08
JO  - Optics Communications
DO  - 10.1016/j.optcom.2025.131584
UR  - https://hal.science/hal-05786245v1
AB  - We experimentally and numerically investigate self-compression of pulses around 5 μ m wavelength in a noble-gas-filled hollow waveguides. We demonstrate spectral broadening of multi-mJ pulses at 4 . 9 μ m and associated pulse compression from 85 fs to 47 fs in the solitonic pulse compression regime. The self-compression resulted in sub-three-cycle pulses with 17 GW peak power in the 1-kHz pulse train. A numerical model is established and benchmarked against the experimental results. It allows further insights into the pulse compression process, such as scaling of the compression as a function of gas pressure and waveguide radius, and predicts pulse compression in sub-cycle regime for realistic input parameters.
SN  - 0030-4018
SN  - 1873-0310
ER  -