The French president, Emmanuel Macron, visited our lab, January, 21st


Oct. 29, 2021

A strategy for ultra-low power saturable absorbers in the mid-infrared

Saturation of the light-matter interaction is an inherent characteristic of the absorption of electromagnetic waves by atoms, semiconductors, and matter in general. In the solid …

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Nov. 23, 2021

Metamaterial engineered silicon photonic coupler for whispering gallery mode microsphere and disk resonators

Optical microresonators with high quality factors are key in photonic circuits requiring fine spectral filtering or resonant storage of optical power. Silicon (Si) photonics provides …

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Nov. 9, 2021

De l’électron au photon, le silicium fait sa (seconde) révolution

Laurent VIVIEN, Deputy Director of C2N and head of the Photonics Department, discusses the challenges of using silicon, a reference material in electronics, in an …

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Oct. 6, 2021

Nicola Carlon Zambon, recipient of the C'NANO IDF 2020 Thesis Prize - EDOM Thesis Prize

Nicola (Titta) Carlon Zambon obtained his bachelor's and master's degrees in physics at the University of Padova, Italy. For his final master project, he joined …

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Jan. 26, 2022

Room temperature GeSn laser

A C2N team, in collaboration with CEA Grenoble (LETI and IRIG) and STMicroelectronics, presents the first room temperature laser with GeSn, a group IV semiconductor …

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Nov. 30, 2021

Silicon phase and intensity modulators for flat frequency comb generation


Optical frequency combs are an essential tool in many fields. To generate them, it is possible to exploit silicon photonics phase and amplitude modulators. …

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Oct. 25, 2021

A mechanical frequency comb with an atomically thin material

By efficiently coupling nanoresonators, made up of suspended 2D semiconductor membranes, with an optomechanical platform, physicists from the Center for Nanosciences and Nanotechnologies (C2N, Université …

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Oct. 7, 2021

Laëtitia Baringthon awarded the "L'Oréal-UNESCO Jeunes Talents France 2021" Prize for Women in Science

Laëtitia Baringthon, a doctoral student on the CASSIOPÉE light line, in collaboration with Synchrotron Soleil and the CNRS/THALÈS joint physics unit, was awarded the Prix …

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Oct. 12, 2021

Jacqueline Bloch, CNRS research director at C2N, CNRS silver medal, elected member of the Académie des sciences, physics section

Jacqueline Bloch is an experimental physicist and expert in quantum and nonlinear optics. She is interested in the coupling between light and matter in connection …

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Jan. 18, 2022

C2N best wishes

Our teams wish you a very happy new year

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More C2N News



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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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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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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    Afficher plus de Seminars

    27/Oct/2021 - 3 p.m.

    Quantum imaging with entangled photons

    By Hugo DEFIENNE

    Quantum imaging harnesses quantum properties of light and their interaction with the environment to go beyond the limits of classical imaging or to implement unique …

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    10/Nov/2021 - 10 a.m.

    High peak power pulses and solitons in quantum cascade laser combs

    By Jérôme FAIST

    Thanks to progress in Quantum cascade laser combs, mid-infrared dual comb spectroscopy has recently achieved very short time resolution (10s) and very high accuracy (1m …

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    24/Nov/2021 - 11 a.m.

    THz spin currents for magnetic manipulation

    By Jon GORCHON

    Reducing energy dissipation while increasing speed in computation and memory is a long-standing challenge for spintronics research [1]. In the last 20 years, femtosecond lasers …

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    01/Dec/2021 - 11 a.m.

    Quantum networks with neutral atoms in optical cavities.

    By Stephan WELTE

    Cavity QED systems constitute an ideal interface to connect flying and stationary qubits in a quantum network. The stationary qubits can be realized with trapped …

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    10/Dec/2021 - 10 a.m.

    D and H cannot exist: Axion bombs, Black holes and breaking global charge conservation.

    By Jonathan GRATUS/ Paul KINSLER

    Charge conservation is a fundamental, and experimentally verified rule of electrodynamics. It turns out that only local charge conservation is needed and attested. Going from …

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    14/Dec/2021 - 2 p.m.

    Quantum hardware for the generation, manipulation and detection of light at the single photon level

    By Val ZWILLER

    We develop single photon sources based on semiconductor quantum dots to generate single photons as well as entangled photon pairs at telecom wavelengths to enable …

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    PhD defense
    Afficher plus de PhD defense

    26/Jan/2022 - 2 p.m.

    (in french) Vers une caractérisation sans contact de l'évolution des tissus organiques par des capteurs RF multifréquences

    By Alexiane PASQUIER

    Jury members :

    Katia Grenier, Directrice de recherche-HDR, CNRS-LAAS Toulouse : Rapportrice

    Jacques Felblinger, Professeur des Universités - Praticien Hospitalier, Université de Lorraine : Rapporteur

    Hamid Kokabi, Professeur des …

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    HdR defense
    Afficher plus de HdR defense

    14/Apr/2021 - 9:30 a.m.

    (in french) De la croissance des nanofils III-Nitrures à la fabrication de générateurs piézoélectriques architecturés aux échelles nanométriques


    Jury memebers:

    Morral Anna, Professeur à l’EPFL, Suisse

    Leprince-Wang Yamin, Professeur à l’Université Gustave Eiffel, laboratoire ESYCOM, France

    Legrand Bernard, Directeur de Recherche CNRS, LAAS, France

    Monroy Eva, …

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    09/Jul/2021 - 2 p.m.

    (in french) Contribution aux systèmes électromécaniques d’actionnement et de mesure

    By Emile Martincic

    Résumé des travaux

    Si des solutions à des problèmes pratiques ont été imaginées depuis des centaines, voire des milliers d’années, les micro-nano-technologies ont offert plus …

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