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INRIA recrutement

Internship Deep Neural Networks For The Design Of Nanophotonic Devices H/F INRIA

Nice - 06
Stage
Résumé de l'offre
  • Bac +3, Bac +4
  • Bac +5
  • Service public des collectivités territoriales

Les missions du poste

Internship : Deep Neural Networks for the design of nanophotonic devices
Le descriptif de l'offre ci-dessous est en Anglais
Type de contrat : Convention de stage

Niveau de diplôme exigé : Bac +5 ou équivalent

Autre diplôme apprécié : Master in applied mathematics or scientific computing

Fonction : Stagiaire de la recherche

A propos du centre ou de la direction fonctionnelle

The Inria centre at Université Côte d'Azur includes 37 research teams and 8 support services. The centre's staff (about 500 people) is made up of scientists of dierent nationalities, engineers, technicians and administrative staff. The teams are mainly located on the university campuses of Sophia Antipolis and Nice as well as Montpellier, in close collaboration with research and higher education laboratories and establishments (Université Côte d'Azur, CNRS, INRAE, INSERM...), but also with the regiona economic players.

With a presence in the fields of computational neuroscience and biology, data science and modeling, software engineering and certification, as well as collaborative robotics, the Inria Centre at Université Côte d'Azur is a major player in terms of scientific excellence through its results and collaborations at both European and international levels.

Contexte et atouts du poste

Nanophotonics is the science that studies the interactions between light and matter at the nanoscale. Light is an electromagnetic wave whose wavelength is in the visible spectrum, i.e., between approximately 400 nm to 800 nm. In this context, one refers to as sub-wavelength structuring of matter. The structuring of matter at these scales allows these interactions to BE shaped for a variety of technological and societal applications. Numerical modeling is extensively used for understanding the physical phenomena underlying light-matter interactions, but also for tailoring or harnessing these interactions guided by specific performance objectives. The first objective requires to numerically solve the system of time-domain or frequency-domain Maxwell equations coupled to differential equations modeling the behavior of propagation media at optical frequencies while the seond goal is addressed by leveraghing a numerical optimization algorithm in the framework of an inverse design workflow. For both objectives, the Atlantis team from the Inria Center at Université Côte d'Azur is developing the DIOGENeS [https://diogenes.inria.fr/] software suite, which is dedicated to the numerical studyof multiscale problems relevant tonanophotonics and nanoplasmonics. DIOGENeS implements several Discontinuous Galerkin (DG) type methods for which the team has developed a long-term expertise [1-3].IT also includes a includes an inverse design component, which relies on statistical learning-based global optimization methods for single-objectove, multi-objevctive and robust optimization [4-6]. Beside the above-mentioned high-fidelity DG-based electromagnetic solvers, since 2022 the team is also actively studying alternative modeling and design approaches leveraging Deep Neural Networks (DNNs) [7].

[1] J. Viquerat. Simulation of electromagnetic waves propagation in nano-optics with a high-order discontinuous Galerkin time-domain method. Ph.D. thesis, University of Nice-Sophia Antipolis, Dec 2015.

[2] S. Lanteri, C. Scheid and J. Viquerat. Analysis of a generalized dispersive model coupled to a DGTD method with application to nanophotonics. SIAM J. Sci. Comp., Vol. 39, No. 3, pp. A831-A859 (2017)

[3] E. Agullo, L. Giraud, A. Gobé, M. Kuhn, S. Lanteri and L. Moya. High order HDG method and domain decomposition solvers for frequencydomain electromagnetics. Int. J. Numer. Model. Electr. Netw. Dev. Fields, Vol. 33, No. 2 (2019)

[4] M.M.R. Elsawy, S. Lanteri, R. Duvigneau, G. Brière, M.S. Mohamed and P. Genevet. Global optimization of metasurface designs using statistical learning methods.Scientific Reports, Vol. 9, No. 17918 (2019)

[5] M.M.R. Elsawy, A. Gourdin, M. Binois, R. Duvigneau, D. Felbacq, S. Khadir, P. Genevet and S. Lanteri. Multiobjective statistical learning optimization of RGB metalens. ACS Photonics, Vol. 8, No. 8, pp. 2498-2508 (2021)

[6] M.M.R. Elsawy, M. Binois, R. Duvigneau, S. Lanteri and P. Genevet. Optimization of metasurfaces under geometrical uncertainty using statistical learning. Optics Express, Vol. 29, pp. 29887-29898 (2021)

[7] A. Clini de Souza, S. Lanteri, H.E. Hernandez-Figueroa, M. Abbarchi, D. Grosso, B. Kerzabi and M. Elsawy. Back-propagation optimization and multi-valued artificial neural networks for highly vivid structural color filter metasurfaces. Scientific Reports, Vol. 13, No. 1, pp. 21352 (2023)

Mission confiée

This internship project is expected to BE a first step toward a PhD project that will BE concerned with the development of novel DNN-based approaches for the design of complex nanophotonic devices such as metasurfaces. The objective of the internship will BE to propose, develop and assess different building block approaches relying on DNNs for designing a nanophotonic device. For this, the following steps will BE considered : (1) Review of state-of-the art approaches in the bibliography on AI-based modeling for nanophotonics; (2) Formulation and coding of a few selected approaches; (3) Critical assessment and proposition of research directions for methods beyond the state-of-the art and taking into account the modeling challenges of complex nanophotonic devices; (4) Synthesis end publication of results.

Compétences

Technical skills and level required :
- Master or engineering degreein numerical mathematics or scientific computing or data sciences
- Sound knowledge of numerical analysis for PDEs
- Basic knowledge of physiscs of electromagnetic wave propagation

Software development skills : Python and PyTorch

Relational skills : team worker (verbal communication, active listening, motivation and commitment)

Other valued appreciated :good level of spoken and written english

Bienvenue chez INRIA

A propos d'Inria

Inria est l'institut national de recherche dédié aux sciences et technologies du numérique. Il emploie 2600 personnes. Ses 215 équipes-projets agiles, en général communes avec des partenaires académiques, impliquent plus de 3900 scientifiques pour relever les défis du numérique, souvent à l'interface d'autres disciplines. L'institut fait appel à de nombreux talents dans plus d'une quarantaine de métiers différents. 900 personnels d'appui à la recherche et à l'innovation contribuent à faire émerger et grandir des projets scientifiques ou entrepreneuriaux qui impactent le monde. Inria travaille avec de nombreuses entreprises et a accompagné la création de plus de 200 start-up. L'institut s'eorce ainsi de répondre aux enjeux de la transformation numérique de la science, de la société et de l'économie.

Internship Deep Neural Networks For The Design Of Nanophotonic Devices H/F
INRIA
  • Nice - 06
  • Stage
Publiée le 12/03/2025 - Réf : db7ffaf4ae9c20207595aa4524fa002a

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