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Peer-reviewedCC BY 4.0Optics Letters

Radiating multimode dispersive shock waves

  • Salvatore Nolasco
  • Matteo Conforti
  • Stefano Trillo
Open at sourcePDFDOICite

Abstract

We predict that dispersive shock waves can be observed in multimode fibers with a parabolic index profile despite competing with geometric parametric instability. Spatial self-imaging forces these shock waves to radiate at multiple resonant frequencies even in the absence of relevant higher-order dispersion. A simple phase-matching rule derived from a reduced model accurately describes such resonances in agreement with a full 1 + 3D model. This allows to interpret spectral reshaping of intense pulses occurring in the normal dispersion regime.

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Cite

BibTeXRIS
BibTeX
@article{nolasco2026radiating,
  title = {{Radiating multimode dispersive shock waves}},
  author = {Salvatore Nolasco and Matteo Conforti and Stefano Trillo},
  journal = {Optics Letters},
  year = {2026},
  month = nov,
  doi = {10.1364/ol.599654},
  url = {https://hal.science/hal-05850382v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Radiating multimode dispersive shock waves
AU  - Salvatore Nolasco
AU  - Matteo Conforti
AU  - Stefano Trillo
PY  - 2026
DA  - 2026/11/03
JO  - Optics Letters
DO  - 10.1364/ol.599654
UR  - https://hal.science/hal-05850382v1
AB  - We predict that dispersive shock waves can be observed in multimode fibers with a parabolic index profile despite competing with geometric parametric instability. Spatial self-imaging forces these shock waves to radiate at multiple resonant frequencies even in the absence of relevant higher-order dispersion. A simple phase-matching rule derived from a reduced model accurately describes such resonances in agreement with a full 1 + 3D model. This allows to interpret spectral reshaping of intense pulses occurring in the normal dispersion regime.
SN  - 0146-9592
SN  - 1539-4794
ER  -