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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
21
Documents
Identifiants chercheurs

Présentation

### **Research projects** \*2023-2027: PEPR Hydrogène décarboné - France 2030: “Robust, cost efficient aNd AUTonomous PhotoelectrochemIcaL cells with III-V thin films on Si for practical hydrogen prodUction. (NAUTILUS)”: coordinator. \*2022-2026: PEPR Electronique - France 2030: “Optical Frequency Combs On a Chip (OFCOC)”: contributor, growth. \*2021-2025: EU COST action: “European Network for Innovative and Advanced Epitaxy (OPERA)”: secondary proposer, Management committee member. \*2021-2025: ANR PRC project “collaborative”: “PhysIcAl properties of hybrid semimetal/semicoNductor III-V/Si maTerials (PIANIST)”: coordinator, growth, simulation, optoelectronic properties. \*2021-2025: ANR PRC project “collaborative”: “Nucleation and growth of III-V on Si explored in situ (NUAGES)”: local coordinator, growth, simulation. \*2021-2025: PIA project Equipex NanoFutur: FOTON local scientific coordinator. \*2021-2024: ANR PRC project “collaborative”: “Light COnveRsioN by photoinduced‐electrochemiluminescence (LICORN)”: contributor, growth. \*2020-2023: ANR PRCE project “collaborative with a company”: “High-Efficiency Epitaxial CIGS-Silicon Tandem Solar Cell (EPCIS)”: contributor, growth. \*2019-2022: ANR PRC project “collaborative”: “Improvement of photovoltaic Conversion Efficiency by acting on thermalization MecANisms (ICEMAN)”: contributor, growth. \*2018-2021: ANR young researcher grant (projet jeune chercheur ANR): “secOnd oRder oPtical pHenomEna in galliUm phosphide microdisks on Silicon (ORPHEUS)”: contributor, growth and simulation. \*2015-2018: ANR PRC project “collaborative”: “Advanced aNalysis of III-V/Si nucleaTIon for highly integrated PhOtonic Devices (ANTIPODE)”: coordinator, growth and simulation. \*2014-2017: Labex Cominlabs project: “3D optical manycores”: contributor. \*2012-2015: ANR “blanc” project: “Epitaxial integration of III-V optoelectronic devices on silicon (OPTOSI)”: project co-writer, contributor. \*2012-2014: ANR young researcher grant (projet jeune chercheur ANR): “Silicon photonics with diluted nitride coherent integration (SINPHONIC)”: project main writer, coordinator, WP leader, contributor. \*2011-2014: National (3) and international (1) beam time allocation at European Synchrotron Radiation Facility (ESRF) on CRG lines D2AM and BM-32. \*2011-2014: ANR PROGELEC project: “Monolithic integration of high efficiency III-V solar cells on silicon (MENHIRS)”: project co-writer, contributor and member of the administrative and financial staff. \*2011-2012: C’nano NANOTRANS project (C’nano Nord-ouest): “dilute nitride quantum dots: relationship between morphology, electronic structure and optical properties”: project co-writer, joint coordinator, contributor. \*2004-2009: FP6 European network of excellence on Self-Assembled semiconductor Nanostructures for new Devices in photonics and Electronics (SANDiE): contributor. \*2004-2008: FP6 European Network of Excellence on Photonic Integrated Components and Circuits (EPIXNET): contributor. ### **Awards** \*Vebleo Fellow (2021). \* Innovation award of the “pôle de compétitivité Images et Réseaux”, for the SINPHONIC ANR project (2013). \* Young researcher award of “Région Bretagne” (2007) \* Best Ph. D. prize of the SANDiE European network of excellence (2006) ### **Short CV** - 2020-present: INSA, Rennes, France Position : Professor at INSA Rennes, Institut FOTON (CNRS), head of the “[Optoelectronics, Heteroepitaxy and Materials (OHM) research group](http://foton.cnrs.fr/v2016/spip.php?rubrique33)”. Personal Research field: Growth, structural, electronic and optical properties of III-V/Si-based light emitters/absorbers on silicon for photonics and energy materials applications. Solar hydrogen production with photo-electrochemical cells. - 2007-2020: INSA, Rennes, France Position : “Maître de Conférences” (Ass. Prof., HDR), at FOTON CNRS Laboratory. Co-head of the “photonics on silicon” research program. Since 2017, head of the “[Optoelectronics, Heteroepitaxy and Materials (OHM) research group](http://foton.cnrs.fr/v2016/spip.php?rubrique33)”. Personal Research field: Growth, structural, electronic and optical properties of GaP-based light emitters/absorbers on silicon for photonics and energy materials applications. - 2006–2007: INSA Rennes, France Position: Post-doctoral fellow with teaching activities at FOTON CNRS Laboratory. Research topic: Growth and characterization of InAs/GaP quantum dots. - 2003–2006: INSA, Rennes (France), TU Berlin (Germany) and KU Leuven (Belgium) Position: Physics PhD Thesis on “electronic, optical and dynamic properties of self-organized and coupled quantum dots on InP substrate” at INSA-Rennes (France) in collaboration with TU Berlin, KU Leuven and TU Eindhoven within European network of excellence SANDIE.PhD Thesis supervised by Pr. J. Even. Research topic: Electronic, optical and dynamic properties of self-organized and coupled quantum dots on InP substrate. - 2003: “Diplôme d’Etudes Approfondies” (DEA = MSc2 degree) of Physics: light and matter interaction, at University of Rennes 1,France. Highest distinction, ranked first. Position: Master 2 training period at LENS laboratory (“Laboratoire d’Etude des Nanostructures à Semiconducteurs”). Research topic: Absorption measurements and simulations of InAs/InP (113)B quantum dots. - 2001-2002: “Agrégation de Physique” passed at Ecole Normale Supérieure (ENS – Paris, France). - 2001: Center for Quantum Electronics, Hanoi (Vietnam) Position: Master 1 training period at CQE laboratory. Research topic: Time-resolved spectroscopy of tunable dye lasers - …-2000: Paris-Sud University, Orsay (France) “Licence”, “Maîtrise” and “Magistère” (BSc and MSc1 degrees) of fundamental physics at Paris-Sud University (Université Paris XI – Orsay, France) Position: BSc training period at “Laboratory of the linear accelerator” (particle physics). Research topic: Analysis of DIRC performances in the frame of the Babar experiment ### **Teaching Activities** \* Energetics and environment: from nuclear to renewable energies. \* Applied quantum mechanics (quantum mechanic for beginners). \* Thermodynamics.

Compétences

-Materials for Photonics and Energy / Photovoltaics and Solar Hydrogen -III-V semiconductors and Silicon -Physics of semiconductors: modeling of nanostructures, bandstructures, bandlineups -Optical and structural properties of semiconductors compounds and devices -Epitaxy and Ultra-High Vacuum crystal growth techniques -Atomic Force Microscopy (AFM) and related near-field techniques -Surface and volume diffraction (RHEED, XRD)

Publications

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High-Quality Factor Zinc-Blende III-V Microdisks on Silicon for Nonlinear Photonics

Rasool S Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Velly-Pareige
Compound Semiconductor Week 2021 (CSW 2021), May 2021, Stockholm, France
Communication dans un congrès hal-03285528v1

Optical losses in GaP microdisks on Si with controlled random polarity

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Velly-Pareige
17è Journées de la Matière Condensée (JMC 17), Aug 2021, Rennes (virtual), France
Communication dans un congrès hal-03402730v1

Crystal-polarity engineered gallium phosphide microdisks grown on silicon

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Pareige
IOP conference- PHOTON2020, Sep 2020, virtual, United Kingdom
Communication dans un congrès hal-03032794v1

GaPSb/Si tandem material with APBs for efficient overall water splitting

Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon , Julie Le Pouliquen
Journées Nanomatériaux de Rennes, Jan 2020, Rennes, France
Communication dans un congrès hal-03032905v1

III-V/Si photoelectrodes: a new route for solar hydrogen production

Charles Cornet , Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon
11è Journées Scientifiques de Porquerolles (JSP2019), C'Nano-PACA, Sep 2019, Porquerolles, France
Communication dans un congrès hal-02305423v1

GaPSb/Si photoelectrode for Solar Fuel Production

Lipin Chen , Christophe Levallois , Antoine Létoublon , Julie Le Pouliquen , Rozenn Piron
European COST multsicaleSolar Final meeting, Apr 2019, Sofia, Bulgaria
Communication dans un congrès hal-03102622v1

Impact of crystal antiphase boundaries on second harmonic generation in GaP microdisks

Pierre Guillemé , Julie Le Pouliquen , Tony Rohel , Maxime Vallet , Julien Stodolna
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France
Communication dans un congrès hal-01497145v1

Tailoring second-order harmonic generation with crystal antiphase domains in GaP/Si

Pierre Guillemé , Charles Cornet , Maxime Vallet , Mounib Bahri , Ludovic Largeau
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Communication dans un congrès hal-01496763v1

Investigation des propriétés optiques des micro-disques de GaP pour l’intégration de fonctions optiques sur silicium

Pierre Guillemé , Julie Le Pouliquen , Tony Rohel , Philippe Rochard , Antoine Létoublon
Optique Bretagne 2015 - 35ème Journées Nationales d'Optique Guidée (JNOG'35), Jul 2015, Rennes, France. pp.133-135
Communication dans un congrès hal-01497234v1

Investigation of the optical properties of GaP microdisks for optical functions integrated on silicon

Pierre Guillemé , Mounib Bahri , Julie Le Pouliquen , D. Gachet , Tony Rohel
Compound Semiconductor Week 2015 (CSW 2015), Jun 2015, Santa-Barbara, United States
Communication dans un congrès hal-01147496v1

Electron-phonon interactions around antiphase boundaries in InGaP/SiGe/Si : structural and optical characterizations

Lipin Chen , Rozenn Piron , Oliver Skibitzki , Yoan Léger , Christophe Levallois
International Symposium : 20th Anniversary of LPQM, Apr 2019, Cachan, France
Poster de conférence hal-02882424v1

Antiphase boundaries in InGaP/SiGe/Si : structural and optical properties

Lipin Chen , Oliver Skibitzki , Rozenn Piron , Julie Stervinou , Antoine Létoublon
European Materials Research Society - Spring Meeting 2018 (E-MRS 2018 Spring Meeting), Jun 2018, Strasbourg, France. 2018
Poster de conférence hal-01864388v1
Image document

Photoluminescence of 2D-vertical In-rich APBs embedded in InGaP/SiGe/Si

Lipin Chen , Oliver Skibitzki , Yoan Léger , Christophe Levallois , Rozenn Piron
20th International Conference on Molecular-Beam Epitaxy (ICMBE 2018), Sep 2018, Shanghai, China. 2018
Poster de conférence hal-01909074v2

Excitons bounded around In-rich antiphase boundaries

Lipin Chen , Oliver Skibitzki , Yoan Léger , Christophe Levallois , Rozenn Piron
34th International Conference on the Physics of Semiconductors (ICPS 2018), Jul 2018, Montpellier, France. 2018
Poster de conférence hal-01864401v1

Impact of Antiphase Boundaries on Non-linear Frequency Conversion in GaP/Si Microdisks

Pierre Guillemé , Charles Cornet , Antoine Létoublon , Julien Stodolna , Yannick Dumeige
Compound Semiconductor Week 2016 (CSW 2016), Jun 2016, Toyama, Japan
Poster de conférence hal-01496739v1

Electrical injection in GaP-based laser waveguides and active areas

Jean-Philippe Gauthier , Cédric Robert Robert , Samy Almosni , Charles Cornet , Yoan Léger
26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), May 2014, Montpellier, France. IEEE, 26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), pp.P23, 2014, ⟨10.1109/ICIPRM.2014.6880545⟩
Poster de conférence hal-01114889v1