Nov. 8, 2025

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Nov. 18, 2025

Electric-field-assisted phase switching for crystal phase quantum dot fabrication in GaAs nanowires

Researchers at C2N and the National University of Singapore have demonstrated a new way to control the crystal structure of semiconductor nanowires using an electric …

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Nov. 13, 2025

The French team of the "UltiMatePV" project, notably including Stéphane Collin and Amaury Delamarre for C2N, Jean-François Guillemoles and Daniel Suchet for the UMR IPVF, …

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Nov. 11, 2025

Second quantum revolution : inaugural lecture by Pascale Senellart at the Collège de France

Pascale Senellart, Research Director at CNRS at C2N, is the guest of the Liliane Bettencourt Chair of Technological Innovation at the Collège de France for …

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Oct. 30, 2025

Bayesian continual learning and forgetting in neural networks.

Biological synapses effortlessly balance memory retention and flexibility, yet artificial neural networks still struggle with the extremes of catastrophic forgetting and catastrophic remembering. Here, we …

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Nov. 13, 2025

Optics in the City of Light: C2N proud to host tomorrow’s scientific talents

The C2N is very proud to have been one of the host laboratories for the program Optics in the City of Light – Research Experience …

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Oct. 23, 2025

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. …

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Nov. 3, 2025

Towards a complete photonic integrated platform for mid-IR spectroscopy

The development of compact systems operating in the mid-infrared wavelength range is of high interest for spectroscopic and sensing applications. Interestingly, graded index Silicon Germanium …

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Nov. 20, 2025

C2N and the University of Chile in Santiago collaborate within the international Poseidon project.

The C2N and the University of Chile in Santiago are working together through an International collaboration called Poseidon, an International Emerging Action project (IEA – …

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Oct. 15, 2025

When nanospheres organize, sound reshapes

Researchers from C2N and the Instituto de Ciencia de Materiales de Madrid have developed a cost-effective approach to block sound waves oscillating at billions of …

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More C2N News

Research

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.

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Jobs

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.

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Facility

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).

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    Seminars

    Dec. 12, 2025 - 10 a.m.

    (in french) Empreinte carbone du C2N : du calcul à l’action

    By Référents Developpement Durable et équipe BEGES(*) 2025 du C2N. [(*) Bilan Emission Gaz à Effet de Serre]

    Le bilan carbone du C2N consolidé sur les données 2022, et provisoire pour les données 2023, et 2024 a été établi entre mars et juillet …

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    PhD defense

    Dec. 5, 2025 - 2 p.m.

    Strain engineering in freestanding ferroelectric membranes

    By Alban Degezelle

    Jury Members

    Mme Céline LICHTENSTIGER    UNIVERSITÉ DE GENÈVE, Rapporteure
    M. Guillaume NATAF  Université de Tours  Rapporteur
    M. Jean François DAYEN Université de Strasbourg Examinateur …

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    Dec. 9, 2025 - 2 p.m.

    Mid-infrared SiGe photonics: electro-optical frequency-combs and supercontinuum generation

    By Victor Turpaud

    Jury Members
    Loïc Bodiou (Université de Rennes)
    Victor Torres-Company (Chalmers University of Technology)
    Giuseppe Leo (Université Paris-Cité)
    Goran Mashanovich (Southampton University)

    The on-chip integration of …

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    HdR defense

    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

    By Alexis Brenes

    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 …

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    Oct. 24, 2025 - 2 p.m.

    Nanosecond laser ultra-doping : towards an all-silicon superconducting electronics

    By Francesca Chiodi

    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 …

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