News
April 2023: Towards a tunable laser in the terahertz range.
Researchers have succeeded in generating an intense emission of photons, tunable across the entire terahertz frequency range, using both the magnetic field and the electron density present in the material studied. This discovery paves the way for the development of a compact laser source with a constant magnetic field that can be tuned across the entire terahertz spectrum by simply adjusting the gate voltage. More details.
Caption: Cyclotron emission lines from Dirac fermions in an HgTe/CdHgTe quantum well, as a function of magnetic field. The different curves refer to different photon energies, corresponding to frequencies ranging from 250 GHz to 3.1 THz. This family of curves indirectly shows that the energy of the emitted photons varies continuously with the applied magnetic field. © Charles Coulomb Laboratory
January 2023: Nature Photonics: Terahertz cyclotron emission of two-dimensional Dirac fermions.
Landau emission from Dirac fermions in graphene-like HgTe quantum wells is experimentally demonstrated. The emission is shown to be tunable by both the magnetic field and the carrier concentration. These results represent an advance in the realization of terahertz Landau lasers tunable by a magnetic field and gate voltage. More details.
February 28, 2022: Article in Physics World: Experimental evidence found for long-distance intermolecular forces
Experimental evidence of long-range attractive forces between cellular proteins has been obtained by researchers in France more than 50 years after the idea was first proposed. The forces are mediated by electromagnetic radiation, and they could explain how molecules find their targets inside the crowded interiors of living cells. More details.
May 16-19, 2022: French German TéraHertz Conference
The conference brings together French and German scientists and students working in all fields of THz science and technology. It will take place by the sea, near Montpellier, in La Grande Motte, France, from May 16 to 19. More details.
February 16, 2022: Article in Science Advances
Experimental evidence for long-distance electrodynamic intermolecular forces Science Advances 8, eabl5855 (2022).
November 2020: The multilayer structure of sunflower leaves revealed by terahertz waves
A new method for analyzing the multilayer structure of leaves, which is contactless and non-invasive, based on pulsed terahertz spectroscopy, has been developed. More details
10/28/2020: The European LINkS project
The LINkS (Long-range electrodynamic INteractions between proteinS) project was selected from among 877 proposals submitted to the Horizon 2020 program's FET-Open "Challenging Current Thinking" call for projects. The project, led by Jérémie Torres of the IES, aims to structure scientific activity around biophysics and protein dynamics, in our local environment and beyond. More details
August 28, 2020: PRIME@MUSE funding
With the support of the Occitanie Region and MUSE, the TOP platform has received PRIME funding to implement the tools needed to study drought mitigation.More details
10/07/2019: Article in Nature Photonics
Suppressed Auger scattering and tunable light emission of Landau-quantized massless Kane electrons Nature Photonics (2019).
June 27, 2019: Platform Award at BioEM conference to Yoann
This prize was awarded on Friday, June 28, 2019, to Yoann Meriguet, a second-year doctoral student funded by the Occitanie Region, for his presentation on " Collective oscillations of proteins proven by terahertz spectroscopy in aqueous media , during the prestigious Bio-EM conferenceheld from June 23 to 28, 2019, in Montpellier.
April 11, 2019. Phys. Rev. B: Massless Dirac fermions in III-V semiconductor quantum wells
Massless Dirac fermions in III-V semiconductor quantum wells, Phys. Rev. B 99, 121405 (R) (2019)
October 23, 2018. Physical Review X:
Out-of-equilibrium collective oscillation as phonon condensation in a model protein analog, Phys. Rev. X, 2018
02/07/2018. Editor's highlight in Phys. Rev. Lett.: Topological phase transition in HgTe quantum wells
Temperature-induced topological phase transition in HgTe quantum wells, Physical Review Letters
11/08/2017. Detecting THz waves at room temperature with graphene
Terahertz Detection and Imaging Using Graphene Ballistic Rectifiers, Nano Letters, 17(11), pp. 7015–7020, 2017
