Making nanodevices energy-autonomous
How can we power ever-smaller devices—such as miniaturized sensors or medical implants—without relying on an external energy source? To meet this challenge, researchers are exploring …
Making nanodevices energy-autonomous
How can we power ever-smaller devices—such as miniaturized sensors or medical implants—without relying on an external energy source? To meet this challenge, researchers are exploring …
Photovoltaics in France : Stéphane Collin, CNRS researcher at C2N, discusses its challenges in the Chaleur humaine podcast by Le Monde
Solar energy plays a key role in the energy transition, but it raises questions: what are its real environmental impacts? Can we rely on it …
What place for photovoltaics in France ? Analysis in the CNRS Journal
As photovoltaics are set to play a key role in France’s energy transition, their development raises major scientific, industrial, and societal challenges. In an article …
Développement Durable et Recherche Soutenable : le bilan 2025 du C2N pour mesurer et réduire son empreinte carbone
Bilan carbone - du calcul aux actions
En 2025, le C2N a franchi une nouvelle étape avec le calcul de son bilan carbone global, et …
Photovoltaics explained in a comic
To make science accessible to everyone, this comic explains how solar panels work and the challenges of photovoltaics through a clear, colorful, and playful narrative. …
Spectroscopies des états électroniques et des états de spin excités dans les semi-conducteurs de van der Waals
Cette thèse étudie les propriétés électroniques et de spin des semi-conducteurs bidimensionnels de van der Waals, en combinant la résonance de spin électronique (ESR) et la microscopie à effet tunnel...
Développements technologiques de VeCSEL-GaAs pour l’émission monomode de forte puissance
Les technologies de l’information et de la communication ont révolutionné notre monde et ont remodelé nos industries. Les futurs défis de ce secteur comprennent le traitement massif de données, le calcul haute perf...
Hybrid silicon photonics based on magneto-optical materials
Jury members: Mme Giovanna CALÒ - Rapportrice M. Xavier LETARTRE - Rapporteur M. Olivier GAUTHIER-LAFAYE - Examinateur M. François ROYER - Examinateur Mme Nathalie BARDOU – Examinatrice Directeurs de thèse : Mm...
Self-pulsing synchronization and optomechanical spiking with integrated nanocavities for analog computing
This thesis explores two topics at the intersection of nanophotonics, nonlinear dynamics, and neuromorphic engineering using integrated photonic and optomechanical crystal cavities. In the first part, we investigate the synchronization of two self-puls...
C2N carbon footprint: from footprint assessment to actions for its reduction.
Abstract: The C2N carbon footprint, consolidated on the basis of 2022 data and anticipated from 2023 and 2024 data, was established between March and July 2025. This work provided an opportunity to extract the carbon footprint of the C2N technology cen...