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CNRS
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Postdoctoral Researcher in Metasurfaces and Multicore Fibers for Optical Computing by Extreme Learning Machine CNRS in France
Degree Level
Postdoc
Field of study
Computer Science
Funding
Available
Deadline
Dec 2, 2026
Country
France
University
CNRS
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About this position
The CRHEA Metasurface team at CNRS is recruiting a postdoctoral researcher for a six-month project within the ANR MetaCoupler programme, in collaboration with the PhLAM laboratory. The research focuses on combining optical metasurfaces with multicore fibres to advance lensless endoscopy and photonic computing.
The postdoctoral project centres on the design, optimisation, fabrication, and validation of passive dielectric metasurfaces that implement complex optical weights at the output of multicore fibres. A major part of the work is to compare two metasurface design routes: propagation-phase architectures and Pancharatnam–Berry geometric-phase architectures, with attention to polarisation constraints and optical efficiency.
The researcher will translate numerically trained weights into fabricable optical masks, while assessing the effects of quantisation, phase and amplitude errors, and technological tolerances. The work also includes contributing to the first passive metasurface demonstrator and preparing its integration and testing on the PhLAM ELM experimental bench.
The position is embedded in a collaborative research environment bringing together metasurface specialists, engineers, cleanroom staff, and partners working on photonic extreme learning machines and multicore fibres. The work spans electromagnetic modelling, numerical optimisation, dielectric meta-atom design, nanofabrication, and structural and optical characterisation, with a focus on comparing simulations and measurements and moving toward system-level validation.
Funding details
Available
How to apply
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