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PreprintarXiv licencearXiv

Shot-to-shot statistical fluctuations during beam self-cleaning in multimode fibers

  • Alessia Cirimele
  • Lucas Zanaglia
  • Nelson Manuel Mora Fernandez
  • Alfredo Mazzulla
  • Pasquale Pagliusi
  • Bertrand Kibler
  • Guy Millot
  • Gabriella Cipparrone
  • Mario Ferraro
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Abstract

Beam self-cleaning in multimode optical fibers has recently been interpreted within a thermodynamic framework, in which nonlinear propagation drives the optical field towards a statistical equilibrium state. While this interpretation has been supported by measurements of modal populations and entropy, the role of shot-to-shot spatial fluctuations of the output beam has so far remained unexplored. Here, we experimentally show that the transverse output beam profile becomes progressively more reproducible from shot to shot as beam self-cleaning develops. This behavior is consistent with the thermodynamic expectation that relative fluctuations become increasingly small as the system approaches equilibrium.

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Cite

BibTeXRIS
BibTeX
@misc{cirimele2026shottoshot,
  title = {{Shot-to-shot statistical fluctuations during beam self-cleaning in multimode fibers}},
  author = {Alessia Cirimele and Lucas Zanaglia and Nelson Manuel Mora Fernandez and Alfredo Mazzulla and Pasquale Pagliusi and Bertrand Kibler and Guy Millot and Gabriella Cipparrone and Mario Ferraro},
  howpublished = {arXiv},
  year = {2026},
  month = nov,
  doi = {10.48550/arxiv.2611.03004},
  eprint = {2611.03004},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2611.03004},
}
RIS
TY  - UNPB
TI  - Shot-to-shot statistical fluctuations during beam self-cleaning in multimode fibers
AU  - Alessia Cirimele
AU  - Lucas Zanaglia
AU  - Nelson Manuel Mora Fernandez
AU  - Alfredo Mazzulla
AU  - Pasquale Pagliusi
AU  - Bertrand Kibler
AU  - Guy Millot
AU  - Gabriella Cipparrone
AU  - Mario Ferraro
PY  - 2026
DA  - 2026/11/02
PB  - arXiv
DO  - 10.48550/arxiv.2611.03004
UR  - https://arxiv.org/abs/2611.03004
AB  - Beam self-cleaning in multimode optical fibers has recently been interpreted within a thermodynamic framework, in which nonlinear propagation drives the optical field towards a statistical equilibrium state. While this interpretation has been supported by measurements of modal populations and entropy, the role of shot-to-shot spatial fluctuations of the output beam has so far remained unexplored. Here, we experimentally show that the transverse output beam profile becomes progressively more reproducible from shot to shot as beam self-cleaning develops. This behavior is consistent with the thermodynamic expectation that relative fluctuations become increasingly small as the system approaches equilibrium.
ER  -