July 22, 2025
July 22, 2025
June 17, 2025
C2N hosts the Renatech+ 2025 Lithography and Etching Days
The 2025 Renatech+ Lithography and Etching Days were held at C2N from June 17 to 19, bringing together over 60 participants from 21 technology centers …
July 17, 2025
A study reveals the effectiveness of a new technology for monitoring cancer progression
An article published in Science Advances presents the results of a multi-year collaboration between Sensome, École Polytechnique, and the Center for Nanoscience and Nanotechnology (CNRS …
Oct. 5, 2025
July 17, 2025
Critical coupling in plasmonic chain for efficient energy trapping
Plasmonic nanoparticles can concentrate electromagnetic energy on the nanometer scale, offering promising applications in diverse fields such as miniaturized photonic circuits or lab-on-chip. An essential …
June 26, 2025
The C2N 2024 activity report has just been published: another year of scientific, technological impact and innovation for the laboratory
In 2024, C2N continued its commitment to pursuing excellence in both fundamental and applied research, driven by a spirit of responsible innovation. Our work, at …
July 1, 2025
Integrated TE optical isolator based on magneto-optical perturbation in coupled waveguides
An article published in Scientific Report presents a new concept for a compact, high-performance integrated optical isolator.
Photonic integrated circuits (PICs) feature an increasing …
July 11, 2025
A decade of scientific collaboration in molecular electronics
The C2N is currently contributing to a long-standing international collaboration through the theoretical modeling expertise of Dr. Yannick Dappe, who recently joined the laboratory.
For …
Sept. 25, 2025
A new AI memory capable of learning and deciding on-chip
A French team led by CEA-Leti, with participation from C2N and several other laboratories*, has developed a hybrid memory technology that allows artificial neural networks …
June 26, 2025
Solar photovoltaics in France (3rd edition) : reality, potential, and challenges
Research
The centre develops research in the fields of material science, nanophotonics, nanoelectronics, nanobiotechnologies and microsystems, as well as in nanotechnologies. Its research activites cover all the range from fondamental to applied science.
The scientific project revolves around 10 major scientific challenges which are common to the 4 departments and federate research within the laboratory.
Jobs
Each year, researchers, engineers and technicians from around the world apply for CNRS or Paris-Saclay University positions to carry out their activity at C2N.
A number of internship, PhD position and Post-doc opportunities are also open at C2N.
Facility
The C2N gathers 3 plateforms into the Technology Facility and 3 platforms of expertise in instrumentation and characterization (optical and multiphysics).
The C2N Technology Facility belongs to the national nanofabrication network (Renatech network).
June 27, 2025 - 10 a.m.
(in french) La pollution plastique, des sols aux océans : sources, impacts environnementaux et sanitaires, et efforts internationaux pour l'éliminer.
Abstract
Alors que les volumes de production de plastiques ne cessent de croître (460 Mt en 2019, double tous les 20 ans), les fuites vers …
July 18, 2025 - 10 a.m.
Design of All-dielectric Magneto-optical Metasurfaces Exhibiting Giant Faraday Rotation with High Light Transmittance
Magneto-optical (MO) effects are essential for the development of nonreciprocal optical devices,
such as isolators and circulators. However, the inherently weak MO response of transparent …
Sept. 12, 2025 - 10 a.m.
(in french) Groupe Eco-innovation : Actions énergie et procédés au sein du groupe pour limiter l’impact environnemental au CEA-LETI
L'impact environnemental des technologies numériques n'est plus soutenable. Ressources en eau et en minéraux, réchauffement climatique, acidification des océans et des terres, recyclage des déchets …
Oct. 2, 2025 - 11 a.m.
[Quantum-Saclay seminar] Quantum Materials at Rice University
Abstract
I will begin by introducing the research activities in the Rice Center for Quantum Materials (RCQM) and outlining potential opportunities for collaboration between RCQM …
Oct. 6, 2025 - 10 a.m.
(in french) Et si, la Terre était ailleurs ?
La science-fiction explore le champ des possibles grâce à des expériences de pensée. Par jeu, demandons-nous avec elle ce que serait devenu l'humanité sur une …
Oct. 17, 2025 - 10 a.m.
(in french) De l’intention à l’action - mobilisation d'un collectif pour la réduction de son empreinte environnementale : retour d'expérience des laboratoires de l'Institut Pierre-Simon Laplace (IPSL)
Mini-cycle séminaires Developpement Durable – 2025
Presentation en Français
Résumé :
Dans ce séminaire, je partagerai un retour d'expérience de l'IPSL en matière de transition environnementale, …
Sept. 30, 2025 - 2 p.m.
Machine Learning-Driven First-Principles Modeling of Far-Infrared Materials
Abstract
This thesis focuses on the modeling of narrow-gap far-infrared semiconductors, ternary alloys, and heterovalent heterostructures. To overcome the limitations of conventional Density Functional Theory …
Oct. 2, 2025 - 2 p.m.
Shaping tungsten dichalcogenides properties by chemical vapor deposition of alloys and polytypes
Two-dimensional (2D) transition metal dichalcogenides (TMDs) present varied optical and electronic properties associated with their different crystal structures. We optimize here the chemical vapor deposition …
Oct. 30, 2025 - 2 p.m.
Wigner functions of Quantum Light emitted by Quantum Dot Sources
Semiconductor quantum dots have emerged as excellent single-photon sources for optical quantum technologies. When inserted in an optical cavity, they have been shown to deterministically …
June 3, 2025 - 2:15 p.m.
(in french) Modèles multiphysiques non-linéaires de résonateurs à haut facteur de qualité : Applications à l’optimisation d’oscillateurs, de capteurs et de récupérateurs d’énergie
Les systèmes embarqués, en particulier dans le contexte de l’internet des objets (IoT), requièrent l’utilisation massive de résonateurs pour nombre de leurs fonctions internes: capteurs …
Oct. 24, 2025 - 2 p.m.
Nanosecond laser ultra-doping : towards an all-silicon superconducting electronics
Nanosecond laser annealing is a powerful technique to achieve extremely high doping levels in box-like, monocrystalline, epitaxial layers, with excellent activation levels and few crystalline …