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MSCA Postdoctoral Fellowship: Apply with IMT Atlantique and join us!

Thinking about your next career step and willing to boost your career? Looking to experience intersectoral, interdisciplinary and international research? Wishing to carry out your research in a place addressing industrial, environmental, societal and digital transitions as a priority challenge?

Then apply for a Marie Sklodowska-Curie (MSCA) Postdoctoral Fellowship with IMT Atlantique as your host institution!

The MSCA Postdoctoral Fellowships (PF) provide funding to promising postdoctoral researchers with a view to develop their academic and transferable skills and enhance their career prospects by moving and working abroad.

By applying with IMT Atlantique you give yourself a chance to join a technological university ranked among the top 500 universities in the world according to the Times Higher Education (THE) World University's 2026 ranking (top 301-400 for Computer Science, top 201-250 for Engineering, top 301-400 for Physical sciences, and the 124th in the 2026 THE Interdisciplinary Science ranking, and top 51-100 for Data Science and Artificial Intelligence in the 2025 Shangaï ranking. IMT Atlantique is also awarded with the “Bienvenue en France” label, a recognition delivered by Campus France for our capacity to welcome and host international researchers in the best working conditions.

Topic open:

Nitrogen-vacancy (NV) centers in diamond are an established platform for quantum magnetometry at room temperature (RT), combining microwave spin control with optical initialization and readout. While this approach enables highly sensitive magnetic-field detection, the interaction between NV spin ensembles and microwave fields remains intrinsically weak and only moderately tunable, limiting control over spectral response and system-level integration.

This project proposes to investigate a hybrid microwave–magnon–spin architecture in which a low-loss ferrimagnetic material (YIG) is incorporated as an intermediary. Collective magnon modes in YIG couple strongly to microwave fields and are magnetically tunable, producing localized oscillating magnetic fields that can interact with NV ensembles. The central question is whether such collective excitations can mediate enhanced or novel couplings to NV spins, either directly or indirectly, and whether coherent effects can be observed at room temperature.

At a fundamental level, the project targets the exploration of hybrid quantum dynamics in a solid-state system under ambient conditions, including: (i) coherent interactions between photons, magnons, and spin ensembles; (ii) the possibility of generating geometric or topological phases in magnon–spin systems; and (iii) investigation of how collective excitations can modify decoherence and spectral response in ensembles of NV centers.

While direct applications in sensing remain incremental, this platform opens a versatile playground for studying RT quantum phenomena that bridge condensed-matter physics, cavity quantum electrodynamics, and spin-based quantum technologies.

Supervisor: Prof. Vincent CASTEL (Google Scholar page)

Keywords: Cavity magnonics; Nitrogen-vacancy (NV) centers; Hybrid quantum systems