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PreprintCC BY 4.0arXiv

Nonlocal wavefront shaping through complex media

  • Yanis Trouyet
  • Neelan Gounden
  • Pedro Ornelas
  • Patrick Cameron
  • Andrew Forbes
  • Hugo Defienne
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Abstract

Wavefront shaping is a key technique for mitigating scattering in complex media, enabling advanced imaging and optical communication. Yet existing approaches are inherently local, requiring active correction elements - such as spatial light modulators or deformable mirrors - to lie directly in the optical path of the scattered light, which limits their integration into compact imaging systems. Here, we experimentally demonstrate nonlocal wavefront shaping using spatially entangled photon pairs. By applying a phase correction to a photon that never interacts with the scattering medium, we compensate for the distortions experienced by its entangled partner and restore their initial spatial correlations. Our approach physically decouples the wavefront correction from the scattering medium, paving the way for imaging through complex media in compact and otherwise inaccessible systems.

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Cite

BibTeXRIS
BibTeX
@misc{trouyet2026nonlocal,
  title = {{Nonlocal wavefront shaping through complex media}},
  author = {Yanis Trouyet and Neelan Gounden and Pedro Ornelas and Patrick Cameron and Andrew Forbes and Hugo Defienne},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.01017},
  eprint = {2609.01017},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.01017},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Nonlocal wavefront shaping through complex media
AU  - Yanis Trouyet
AU  - Neelan Gounden
AU  - Pedro Ornelas
AU  - Patrick Cameron
AU  - Andrew Forbes
AU  - Hugo Defienne
PY  - 2026
DA  - 2026/09/01
PB  - arXiv
DO  - 10.48550/arxiv.2609.01017
UR  - https://arxiv.org/abs/2609.01017
AB  - Wavefront shaping is a key technique for mitigating scattering in complex media, enabling advanced imaging and optical communication. Yet existing approaches are inherently local, requiring active correction elements - such as spatial light modulators or deformable mirrors - to lie directly in the optical path of the scattered light, which limits their integration into compact imaging systems. Here, we experimentally demonstrate nonlocal wavefront shaping using spatially entangled photon pairs. By applying a phase correction to a photon that never interacts with the scattering medium, we compensate for the distortions experienced by its entangled partner and restore their initial spatial correlations. Our approach physically decouples the wavefront correction from the scattering medium, paving the way for imaging through complex media in compact and otherwise inaccessible systems.
ER  -