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Romain GENEAUX

Laboratoire Interactions, Dynamiques et Lasers

Group: Dynamique et Interactions en phase COndensée (Dynamics and Interactions in Condensed Phase)

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Research topics

  • Time-dependent electronic, structural and spin properties of materials
  • Attosecond spectroscopy of condensed matter
  • Transient absorption, reflectivity and diffraction spectroscopy in the extreme ultraviolet
  • Attosecond magnetic XUV Magnetic Circular Dichroism (XMCD)

See a review of my research field I authored with Hugo Marroux and a one-hour tutorial I gave on the subject.

Funding

20222027    ERC Starting Grant SPINFIELD

Project SPINFIELD: "Controlling spin angular momentum with the field of light"

How do light fields couple with electronic spins in materials? Are there direct and coherent "light-spin" interactions? We aim to answer these questions through the use of attosecond spectroscopy. See announcement by the ERC and short summary on the LIDYL website.

20202022    Junior Chair of the Labex PALM (Laboratoire d'excellence Physique Atome Lumière Matière: website here)

Project MARMOTT: "Measuring Attosecond-resolved dynamics in MOTT insulators".

Some materials present unusually strong electronic correlations, which play a major role in their properties. Because electron-electron interactions typically manifest in only a few femtoseconds, we want to study these materials with attosecond spectroscopy and understand how electronic correlations manifests in their time-domain response.

Positions

2020 – Present    Researcher at CEA Saclay. Université Paris-Saclay, CEA, CNRS, LIDYL. France

2017 – 2020    Postdoctoral fellow. University of California, Berkeley, United States

Groups of S. R. Leone and D. M. Neumark. Attosecond transient absorption spectroscopy in condensed matter.

Development of attosecond transient absorption and  reflectivity, time-resolved grazing diffraction and attosecond X-ray magnetic circular dichroism experiments.       Compression and manipulation of sub-4 fs laser pulses. Study of semiconductors (Si, Ge), ionic solids (MgO), transition metal dichalcogenides (MoS2, WS2), ferromagnetic multilayers (Co/Pt).

Education

2016    PhD Thesis: « The angular momentum of light in high harmonic generation »

Université Paris-Saclay, CEA, CNRS, LIDYL. France

Attophysics group, CEA Saclay, France.           Supervisors: Dr. Thierry Ruchon and Dr. Bertrand Carré

2013    Master in fundamental physics: Light-matter interactions

École Polytechnique / Université Paris-Sud, Palaiseau, France

2013    Engineering degree: Numerical simulation and modelling of physical systems

École Nationale Supérieure de Techniques Avancées (ENSTA), Paris, France

Publications:

Google scholar profile
ORCID iD

Referee activity:

Publons profile

 

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