Laboratoire Charles Coulomb UMR 5221 CNRS/UM2 (L2C)


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Exciton, Photon and Spin Physics Axis

Coordinators : Brahim GUIZAL and Guillaume CASSABOIS
Secretary : Tél. : +33 (0) 4 67 14 37 87 - Fax : +33 (0) 4 67 14 37 60

Research fields

The PEPS division is composed of experimentalists and theorists, having a common interest in radiation-matter interaction, considered either as an object or as a tool for our studies. It gathers three research teams:

- The "Theory of Light-Matter and Quantum Phenomena (RMPQ)" team, developing its activity around 6 main topics:

Non-equilibrium quantum dynamics Casimir-Lifshitz interactions Heat transfer Complex quantum systems Many-body physics Nanophotonics and plasmonics

- Two teams gathering mainly experimentalists (The "Optics of collective states and Spin (OECS)"team and the "Quantum Nanostructures Optical Properties (NQPO)" team) developing their activity around 6 main topics:

Spin Physics Collective Quantum States Wide bandgap materials and UV photonics
2D Materials Nanophotonics and metamaterials Solid-state Quantum Technologies

Experimental Plateforms

The experimental activities rely on advanced facilities including:

Spectroscopy down to the UV spectral range Magneto-optics

Join us

The division offers many opportunities for internship, at all level and duration. It also offers PhD or postdoctoral positions. These offers include:

- Internship : Thermal sensing at nanoscale with a single spin qubit
- Internship : Imaging magnetism at nanoscale with a quantum magnetometer
- Internship : Identifying spin qubit defects in wide bandgap materials
- Internship : Optical thermotronics
- Internship, Thesis : Polariton collective states and solitons in a polaritonic waveguide
- Internship (Master, 1st year) : Blue and UV-emitting microdisk lasers for integrated photonics
- Internship/PhD (Master, rather 2nd year, or PhD) : Polariton condensates in polariton waveguides: quantum fluids of light for integrated photonics
- Internship/PhD (Master, rather 2nd year, or PhD): Identification and detection of many-body correlations of nuclear spins->doc1107]
- Master Internship/PhD: Optical spectroscopy of quantum fluids of indirect excitons

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Latest publications

+ Electric and antiferromagnetic chiral textures at multiferroic domain walls doi link

Author(s): Chauleau J.-Y., Chirac T., Fusil S., Garcia V., Akhtar W., Tranchida J., Thibaudeau P., Gross I., Blouzon C., Finco A., Bibes M., Dkhil B., Khalyavin D., Manuel P., Jacques V., Jaouen N., Viret Michel

(Article) Published: Nature Materials, vol. p. (2019)


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+ Demonstration of critical coupling in an active III-nitride microdisk photonic circuit on silicon doi link

Author(s): Tabataba-vakili Farsane, Doyennette L., Brimont C., Guillet T., Rennesson Stephanie, Damilano Benjamin, Frayssinet Eric, Duboz Jean-Yves, Checoury Xavier, Sauvage Sébastien, El Kurdi Moustafa, Semond Fabrice, Gayral Bruno, Boucaud Philippe

(Article) Published: Scientific Reports, vol. 9 p.18095 (2019)

+ Probing the electric field across thylakoid membranes in cyanobacteria doi link

Author(s): Viola Stefania, Bailleul Benjamin, Yu Jianfeng, Nixon Peter, Selles J., Joliot Pierre, Wollman Francis-André

(Article) Published: Proceedings Of The National Academy Of Sciences Of The United States Of America, vol. 116 p.21900-21906 (2019)