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Portail > Offres > Offre UMR8520-YANPEN-002 - Chercheur CDD : Cristaux phoXoniques (phononiques / photoniques) topologiques (H/F)

Topological phoXonic (phononic / photonic) crystals (H/F)

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Français - Anglais

Date Limite Candidature : lundi 7 février 2022

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General information

Reference : UMR8520-YANPEN-002
Workplace : VILLENEUVE D ASCQ
Date of publication : Monday, December 6, 2021
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 April 2022
Proportion of work : Full time
Remuneration : From 2690 euros gross salary per month
Desired level of education : PhD
Experience required : Indifferent

Missions

Project Description: Topological insulation, originally observed in Quantum Mechanics, has been recently transposed into classical physics, opening up new avenues in unprecedented wave control possibilities, namely in photonic and phononic crystals. Remarkable one-way propagating edge states were observed in nontrivial bandgaps when systems with topologically different phases were coupled. A fascinating property of these edge states is their high robustness to various types of disorders and imperfections leading to wave steering in absence of backscattering.

Activities

The objective of this post-doc position is to propose and develop numerically a dual phononic and photonic (phoXonic) topologic insulator for optomechanical applications on a single Si-based platform. This approach is expected to allow (i) to generate MHz and GHz mechanical waves optically, and (ii) to transport the acoustic and optical information through a single topological waveguide.

Skills

Required qualifications: Candidates are required to hold a PhD in physics or in electrical/telecommunication engineering with advanced experience in simulation methods (FEM, FDTD, …) in periodic and composite structures. A solid background in phononic/photonic crystals and wave propagation in periodic media is also required.

Work Context

Main tasks and responsibilities: The candidate will join the ERC project LEIT (“Lossless information for emerging information technologies”) coordinated by Prof. C. Sotomayor Torres. The candidate will be co-supervised by Dr. Marco Miniaci and Prof. Yan Pennec. He/she will work on the modeling and simulation of phononic, photonic and optomechanical properties in collaboration with groups specialized in the fabrication and material characterization. The candidate is also expected to contribute on the analysis and interpretation of data, manuscript preparation and dissemination of the results in the context of national and international conferences/meetings. The theoretical work will be conducted in close relation with the fabrication and characterization of relevant samples at ICN2 (Spain).

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