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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
34
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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"alain-le-corre"

Low threshold 1550 nm emitting QD optically pumped VCSEL

Cyril Paranthoen , Christophe Levallois , Gaëlle Brevalle , Mathieu Perrin , Alain Le Corre
IEEE Photonics Technology Letters, 2021, 33 (2), pp.69-72. ⟨10.1109/LPT.2020.3044457⟩
Article dans une revue hal-03101472v1
Image document

Monolithic Integration of Diluted-Nitride III–V-N Compounds on Silicon Substrates: Toward the III–V/Si Concentrated Photovoltaics

Olivier Durand , Samy Almosni , Yanping Wang , C. Cornet , A. Létoublon
Energy Harvesting and Systems, 2014, 1 (3-4), pp.147-156. ⟨10.1515/ehs-2014-0008⟩
Article dans une revue hal-01166477v1
Image document

Structural and optical properties of (In,Ga)As/GaP quantum dots and (GaAsPN/GaPN) diluted-nitride nanolayers coherently grown onto GaP and Si substrates for photonics and photovoltaics applications

Olivier Durand , Cédric Robert Robert , Thanh Tra Nguyen , Samy Almosni , Thomas Quinci
Proceedings of SPIE, the International Society for Optical Engineering, 2013, Quantum sensing and nanophotonic devices X, 8631, pp.863126. ⟨10.1117/12.2012670⟩
Article dans une revue hal-00842763v1

Evaluation of InGaPN and GaAsPN materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Antoine Létoublon
Journal of Applied Physics, 2013, 113 (12), pp.123509. ⟨10.1063/1.4798363⟩
Article dans une revue hal-00918663v1

Structural and optical properties of AlGaP confinement layers and InGaAs quantum dot light emitters onto GaP substrate: Towards photonics on silicon applications

Cédric Robert Robert , Thanh Tra Nguyen , Antoine Létoublon , Mathieu Perrin , C. Cornet
Thin Solid Films, 2013, 541, pp.87-91
Article dans une revue hal-02050606v1

Sputtered hydrogenated amorphous silicon thin films for distributed Bragg reflectors and long wavelength vertical cavity surface emitting lasers applications

Ahmad Shuaib , Christophe Levallois , Jean-Philippe Gauthier , Cyril Paranthoen , Olivier Durand
Thin Solid Films, 2011, 519 (18), pp.6178-6182. ⟨10.1016/j.tsf.2011.04.111⟩
Article dans une revue hal-00600697v1

Time-resolved pump probe of 1.55 µm InAs/InP quantum dots under high resonant excitation

Charles Cornet , Christophe Labbé , Hervé Folliot , Philippe Caroff , Christophe Levallois
Applied Physics Letters, 2006, 88, pp.171502. ⟨10.1063/1.2199454⟩
Article dans une revue hal-00491485v1

Impact of the capping layers on lateral confinement in InAs/InP quantum dots for 1.55 µm laser applications studied by magnetophotoluminescence

Charles Cornet , Christophe Levallois , Philippe Caroff , Hervé Folliot , Christophe Labbé
Applied Physics Letters, 2005, 87, pp.233111. ⟨10.1063/1.2132527⟩
Article dans une revue hal-00504390v1

First stage results on III-V/Si tandem cells using GaAsPN dilute-nitride

Mickael da Silva , Charles Cornet , Antoine Létoublon , Christophe Levallois , Alain Rolland
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France
Communication dans un congrès hal-01496924v1

Towards the III-V/Si CPV on Si substrates

Olivier Durand , Samy Almosni , Mickael da Silva , Pierre Rale , Alain Le Corre
European Materials Research Society - Spring Meeting 2015 (E-MRS 2015 Spring Meeting), May 2015, Lille, France
Communication dans un congrès hal-01403375v1

Monolithic integration of GaAsPN dilute-nitride compounds on silicon substrates: toward the III-V/Si tandem solar cell

Olivier Durand , Samy Almosni , Yanping Wang , Charles Cornet , Antoine Létoublon
SPIE Photonics West - OPTO 2015, Feb 2015, San Francisco, United States
Communication dans un congrès hal-01497194v1

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

Epitaxie cohérente de composés GaP et GaAsPN à azote dilué sur substrats de Si pour l’élaboration de cellules PV tandem III-V/Si

Olivier Durand , Samy Almosni , Yanping Wang , Charles Cornet , Antoine Létoublon
Matériaux 2014, Nov 2014, Montpellier, France
Communication dans un congrès hal-01115312v1

Optimisation des propriétés structurale de l'interface GaP/Si et des propriétés électroniques de cellules solaires GaAsPN/GaP pour la fabrication de cellule tandem

Samy Almosni , Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Yanping Wang
Journées nationales du Photovoltaïque JNPV 2013, Dec 2013, Dourdan, France
Communication dans un congrès hal-00918758v1

UHVCVD-MBE growth for tandem solar cells

Samy Almosni , Charles Cornet , Thomas Quinci , Thanh Tra Nguyen , Jithesh Kuyyalil
4th PhotoVoltaic Technical Conference (PVTC 2013), May 2013, Aix-en-Provence, France
Communication dans un congrès hal-00918732v1

UHVCVD-MBE growth cluster for III-N-V/Si solar cells

Samy Almosni , Charles Cornet , Thomas Quinci , Thanh Tra Nguyen , Jithesh Kuyyalil
Compound semiconductors week, ISCS, 2013, May 2013, Kobe, Japan
Communication dans un congrès hal-00918735v1

Monolithic integration of diluted-nitride III-V-N compounds on silicon substrates : toward the III-V/Si Concentrated Photovoltaics

Olivier Durand , Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Yanping Wang
International Symposium on Inorganic and Environmental Materials, Oct 2013, Rennes, France
Communication dans un congrès hal-00918754v1

Evaluation of InGaP(N) and GaAsP(N) materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Cédric Robert Robert , Thomas Quinci , Thanh Tra Nguyen , Charles Cornet
international conference on MBE, 2012, Japan
Communication dans un congrès hal-00726772v1

Monolithic growth of III-V-N diluted nitride devices on Si substrate for solar cells

Olivier Durand , Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet
Journées nationales du photovoltaïque JNPV2012, 2012, Chantilly, France
Communication dans un congrès hal-00788544v1

Evaluation of InGaPN and GaAsPN materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Pierre Râle , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet
Journées nationales du photovoltaïque (JNPV 2012), 2012, Chantilly, France
Communication dans un congrès hal-00788478v1

Potentiality of GaAsPN and InGaPN for photovoltaic applications

Samy Almosni , Cédric Robert Robert , Charles Cornet , Christophe Levallois , Thomas Quinci
3rd PhotoVoltaic Technical Conference (PVTC 2012), Jun 2012, Aix-en-Provence, France
Communication dans un congrès hal-00726855v1

Dilute nitride GaNAsP for photonic applications on silicon

Cédric Robert Robert , Thanh Tra Nguyen , Samy Almosni , Thomas Quinci , Mathieu Perrin
International Symposium on nitrides (ISNT), 2012, saint-Malo, France
Communication dans un congrès hal-00726885v1

InGaPN and GaAsPN layers for tandem solar cells on silicon

Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Antoine Létoublon
European materials research society international conference (EMRS), 2012, Strasbourg, France
Communication dans un congrès hal-00726850v1

caractérisation de semi-conducteurs III-V nanostructurés par microscopie à force atomique

Charles Cornet , Antoine Létoublon , Julien Lapeyre , Cyril Paranthoen , Christophe Levallois
Journées de la microscopie champ proche Bretagne, Jun 2010, Rennes, France. pp.1
Communication dans un congrès hal-00504500v1

Self-organized growth of InAs quantum dots on InP substrate emitting at 1.55-μm

Georges Elias , Charles Cornet , Philippe Caroff , Christophe Levallois , Antoine Létoublon
Second French Research Organizations - Tohoku University Joint Workshop on Frontier Materials, Nov 2009, Sendai, Japan. p-23
Communication dans un congrès hal-00491459v1

Exciton and biexciton lifetimes in InAs/InP quantum dots emitting at 1.55 µm wavelength under high resonant excitation

Christophe Labbé , Charles Cornet , Hervé Folliot , Philippe Caroff , Christophe Levallois
ICSSN (International Conference on SuperLattices, Nano-structures and Nano-Devices), Jul 2006, Istanbul, Turkey. pp.454, ⟨10.1002/pssc.200673214⟩
Communication dans un congrès hal-00491873v1

Optical characterisation of InAs/InP self-assembled quantum dots for optimisation of lasing properties

Charles Cornet , Christophe Levallois , Philippe Caroff , Laurent Joulaud , Hervé Folliot
Sandie Optics Task Force meeting, Technische Universitat Berlin, January 12-13 (2006), Jan 2006, Berlin, Germany. pp.1
Communication dans un congrès hal-00504470v1

Carrier relaxation dynamics of 1.55 µm InAs/InP quantum dots under high resonant excitation

Christophe Labbé , Charles Cornet , Hervé Folliot , Jacky Even , Philippe Caroff
28th International Conference on the Physics of Semiconductors - ICPS 2006, Jul 2006, Vienne, Austria. pp.991, ⟨10.1063/1.2730228⟩
Communication dans un congrès hal-00491468v1

Dynamics spectroscopy in 1.55 µm InAs/InP quantum dots under high resonant excitation

Christophe Labbé , Charles Cornet , Hervé Folliot , Philippe Caroff , Christophe Levallois
IWSQDA (International Workshop on Semiconductor quantum dot based devices and applications), Mar 2006, Paris, France. pp.1
Communication dans un congrès hal-00491870v1
Image document

Towards III-V on silicon solar cells

Mickael da Silva , S. Boyer-Richard , C. Cornet , Antoine Létoublon , Christophe Levallois
7è Journées Nationales du PhotoVoltaïque (JNPV 2017), Dec 2017, Dourdan, France. 107, pp.191603 - 191603, 2015
Poster de conférence hal-01660154v1

GaAsPN Single and Tandem Solar Cells on Silicon

Mickael da Silva , Charles Cornet , Antoine Létoublon , Christophe Levallois , Alain Rolland
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01496922v1

Lattice-matched GaAsPN/GaP single junction solar cell for high-efficiency tandem solar cells on silicon

Samy Almosni , Charles Cornet , Antoine Létoublon , Nicolas Bertru , Alain Le Corre
Euro-MBE 2015, Mar 2015, Canazei, Italy. 2015
Poster de conférence hal-01147439v1

Vers les cellules solaires à haut rendement à base de composés III-V sur substrats bas-couts de silicium

Mickael da Silva , Samy Almosni , Charles Cornet , Antoine Létoublon , Christophe Levallois
Optique Bretagne 2015 - Horizons de l'Optique, Jul 2015, Rennes, France
Poster de conférence hal-01497238v1

Development of GaAsPN alloy for its integration in III-V/Si tandem solar cell

Samy Almosni , Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Yanping Wang
Workshop on above 25% efficiency solar cells via low cost approaches, Jul 2014, Palaiseau, France
Poster de conférence hal-01115014v1