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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
28
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

35077

Optical properties of GaP/Si active microdisks containing InGaAs/GaP quantum dots

Ronan Tremblay , Tony Rohel , Alain Le Corre , Rozenn Bernard , Nicolas Bertru
Nanophotonics and Micro/Nano Optics International Conference 2017 (NANOP 2017), Prem C, Sep 2017, Barcelona, Spain
Communication dans un congrès hal-01707877v1

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

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

Electroluminescence of InGaAs/GaP quantum dots and band engineering of AlGaP/GaP laser injection layers

Ronan Tremblay , Yong Huang , Jean-Philippe Gauthier , Rozenn Piron , Alexandre Beck
Compound Semiconductor Week 2015 (CSW 2015), Jun 2015, Santa-Barbara, United States
Communication dans un congrès hal-01147506v1

Structural, electronic properties and carrier dynamics in InGaAs(N)/GaP quantum dots

Charles Cornet , Jean-Philippe Gauthier , Cédric Robert Robert , Samy Almosni , Yoan Léger
18th European Molecular Beam Epitaxy Workshop (Euro-MBE 2015), Mar 2015, Canazei, Italy
Communication dans un congrès hal-01147481v1

MBE-grown GaP/Si micro-disks

Pierre Guillemé , Yannick Dumeige , Julie Le Pouliquen , D. Gachet , Tony Rohel
18th European Molecular Beam Epitaxy Workshop (Euro-MBE 2015), Mar 2015, Canazei, Italy
Communication dans un congrès hal-01147473v1

(In)GaP integration on Si for photonics and energy

Charles Cornet , O. Skibitzki , M. Bahri , Yanping Wang , Pierre Guillemé
European Materials Research Society - Fall Meeting 2015 (E-MRS 2015 Fall Meeting), Sep 2015, Warsaw, Poland
Communication dans un congrès hal-01497184v1

Intégration pseudomorphique dans la filière GaP/Si pour les applications lasers sur puce

Charles Cornet , Pierre Guillemé , Jean-Philippe Gauthier , Cédric Robert Robert , Julien Stodolna
journées thématiques du GDR Ondes GT2, Nov 2014, Orsay, France
Communication dans un congrès hal-01114901v1

Composition dependent nature of the fundamental optical transition in (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , M. Nestoklon , Katiane Pereira da Silva
26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), May 2014, Montpellier, France. pp.Th-B1-2, ⟨10.1109/ICIPRM.2014.6880555⟩
Communication dans un congrès hal-01114877v1

Thorough structural and optical analyses of GaP-based heterostructures monolithically grown on silicon substrates for photonics on Si applications: toward the laser on silicon and high efficiency photovoltaics on silicon

Olivier Durand , Yanping Wang , Samy Almosni , Mounib Bahri , Julien Stodolna
6th International Workshop on "Advanced optical and X-ray characterization techniques of multifunctional materials for information and communication technologies, health and renewable energy applications", Sep 2014, Bucharest, Romania
Communication dans un congrès hal-01114912v1

Using high pressure to unravel the nature of optical transitions in (In,Ga)As/GaP quantum dots

Alejandro R. Goñi , Cédric Robert Robert , Katiane Pereira da Silva , M. O. Nestoklon , Laurent Pedesseau
16th High Pressure in Semiconductor Physics conference (HPSP-16), Aug 2014, Mexico, Mexico
Communication dans un congrès hal-01114998v1

Abrupt heterointerface and low defect density in GaP/Si nanolayers

Yanping Wang , Julien Stodolna , Thanh Tra Nguyen , Antoine Létoublon , Jithesh Kuyyalil
Compound Semiconductor Week 2014, May 2014, Montpellier, France
Communication dans un congrès hal-01115278v1

Indium content impact on structural and optical properties of (In,Ga)As/GaP quantum dots

Ronan Tremblay , Tony Rohel , Yoan Léger , Alain Le Corre , Rozenn Bernard
31è colloque Journées Surfaces et Interfaces (JSI 2017), Jan 2017, Rennes, France
Poster de conférence hal-01707905v1

Thermal management of monolithic and heterogeneous integrated lasers

Ida Lucci , Charles Cornet , Mounib Bahri , Yoan Léger
Compound Semiconductor Week 2016 (CSW 2016), Jun 2016, Toyama, Japan
Poster de conférence hal-01497141v1

AlGaP-growth and doping by MBE

Ronan Tremblay , Jean-Philippe Burin , Tony Rohel , Jean-Philippe Gauthier , Samy Almosni
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01497057v1

Structural and optical properties investigation of (In,Ga)As/GaP quantum dots for direct bandgap emission

Ronan Tremblay , Tony Rohel , Yoan Léger , Alain Le Corre , Rozenn Bernard
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01497049v1

Optical and magneto-optical properties of GaAsPN/GaPN quantum wells

Felipe Covre , Miguel Angel Gonzalez Balanta , P. B. Alves de Oliveira , Fernando Iikawa , Mohamed Henini
XV Brazil-Materials Research Society Annual Meeting (B-MRS 2016), Sep 2016, Campinas, São Paulo, Brazil. , O.P1.23
Poster de conférence hal-01496913v1

Carrier injection in GaP-based laser waveguides and dilute nitrides gain medium

Jean-Philippe Gauthier , Cédric Robert Robert , Samy Almosni , Charles Cornet , Yoan Léger
18th European Molecular Beam Epitaxy Workshop (Euro-MBE 2015), Mar 2015, Canazei, Italy. 2015
Poster de conférence hal-01147468v1

Carrier capture and relaxation in GaAsPN/GaP quantum wells

Cédric Robert Robert , Mathieu Perrin , Laurent Pedesseau , Yoan Léger , Philippe Barate
32nd International Conference on the Physics of Semiconductors (ICPS 2014), Aug 2014, Austin, United States. 2014
Poster de conférence hal-01115282v1

Strain-induced fundamental optical transition in (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Katiane Pereira da Silva , Alejandro R. Goñi , M. Nestoklon , Laurent Pedesseau
32nd International Conference on the Physics of Semiconductors (ICPS 2014), Aug 2014, Austin, United States. 2014
Poster de conférence hal-01115307v1

GaAsPN alloys for optoelectronics on Silicon

Hélène Carrère , Andrea Balocchi , Thierry Amand , Cédric Robert Robert , Mathieu Perrin
Compound Semiconductor Week 2014, May 2014, Montpellier, France. 2014
Poster de conférence hal-01115268v1

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