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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
44
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

mathieu-perrin

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
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Strong Electron–Phonon Interaction in 2D Vertical Homovalent III–V Singularities

Lipin Chen , Oliver Skibitzki , Laurent Pedesseau , Antoine Létoublon , Julie Stervinou
ACS Nano, 2020, 14 (10), pp.13127-13136. ⟨10.1021/acsnano.0c04702⟩
Article dans une revue hal-03032030v1

Correlations between electrical and optical properties in lattice-matched GaAsPN/GaP solar cells

Samy Almosni , P. Rale , C. Cornet , Mathieu Perrin , L. Lombez
Solar Energy Materials and Solar Cells, 2016, 147, pp.53-60. ⟨10.1016/j.solmat.2015.11.036⟩
Article dans une revue hal-01272057v1
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Optical absorption and thermal conductivity of GaAsPN absorbers grown on GaP in view of their use in multijunction solar cells

S. Ilahi , Samy Almosni , Fares Chouchane , Mathieu Perrin , K. Zelazna
Solar Energy Materials and Solar Cells, 2015, 141, pp.291-298. ⟨10.1016/j.solmat.2015.06.003⟩
Article dans une revue hal-01166475v1
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Effect of the nitrogen incorporation and fast carrier dynamics in (In,Ga)AsN/GaP self-assembled quantum dots

Jean-Philippe Gauthier , Cédric Robert Robert , Samy Almosni , Yoan Léger , Mathieu Perrin
Applied Physics Letters, 2014, 105 (24), pp.243111. ⟨10.1063/1.4904939⟩
Article dans une revue hal-01114385v1

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

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
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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
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Atomistic calculations of Ga(NAsP)/GaP(N) quantum wells on silicon substrate: Band structure and optical gain

Cédric Robert Robert , Mathieu Perrin , Charles Cornet , Jacky Even , Jean-Marc Jancu
Applied Physics Letters, 2012, 100 (11), pp.111901. ⟨10.1063/1.3694028⟩
Article dans une revue hal-00725676v1
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Structural and optical analyses of GaP/Si and (GaAsPN/GaPN)/GaP/Si nanolayers for integrated photonics on silicon

Thanh Tra Nguyen , Cédric Robert Robert , Weiming Guo , Antoine Létoublon , Charles Cornet
Journal of Applied Physics, 2012, 112 (5), pp.053521. ⟨10.1063/1.4751024⟩
Article dans une revue hal-00726722v1

Electronic, optical and structural properties of (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Charles Cornet , Pascal Turban , Thanh Tra Nguyen , Mikhail O. Nestoklon
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 86, pp.205316. ⟨10.1103/PhysRevB.86.205316⟩
Article dans une revue hal-00726726v1

Room temperature photoluminescence of high density (In,Ga)As/GaP quantum dots

Thanh Tra Nguyen , Cédric Robert Robert , Charles Cornet , Mathieu Perrin , Jean-Marc Jancu
Applied Physics Letters, 2011, 99, pp.143123. ⟨10.1063/1.3646911⟩
Article dans une revue hal-00654296v1

Room temperature operation of GaAsP(N)/GaP(N) quantum well based light-emitting diodes: Effect of the incorporation of nitrogen

Cédric Robert Robert , Alexandre Bondi , Thanh Tra Nguyen , Jacky Even , Charles Cornet
Applied Physics Letters, 2011, 98, pp.251110. ⟨10.1063/1.3601857⟩
Article dans une revue hal-00654272v1

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

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

Boîtes quantiques semi-conductrices : relation entre morphologie, structure électronique et propriétés optiques

Charles Cornet , Pascal Turban , Cédric Robert Robert , Sylvain Tricot , Mathieu Perrin
Journées Nanosciences et Nanotechnologies du Nord Ouest 2013 (J2NO 2013), Nov 2013, Rennes, France
Communication dans un congrès hal-00918787v1

gamma-X competition for the optical transition of (In,Ga)As(N)/GaP quantum dots (QDs)

Cédric Robert Robert , Charles Cornet , Olivier Durand , K. Pereira da Silva , Pascal Turban
European Materials research society meeting EMRS 2013, May 2013, Strasbourg, France
Communication dans un congrès hal-00918730v1

Intégration optique par croissance directe de nanostructures III-V sur silicium

Charles Cornet , Cédric Robert Robert , Thanh Tra Nguyen , Yanping Wang , Samy Almosni
14èmes Journées Nano, Micro et Optoélectronique (JNMO), May 2013, Evian, France
Communication dans un congrès hal-00918745v1

GaAsPN compounds for Si photonics

Charles Cornet , Cédric Robert Robert , Samy Almosni , Thanh Tra Nguyen , Thomas Quinci
International Workshop "Silicon & Photonics", Jun 2013, Rennes, France
Communication dans un congrès hal-00918743v1

Carrier lifetime and relaxation dynamics in (In)GaAs/GaP quantum dots

Cédric Robert Robert , Mathieu Perrin , Charles Cornet , Philippe Barate , Andrea Balocchi
International Symposium on Physics and Applications of Laser Dynamics IS-PALD, Oct 2013, Paris, France
Communication dans un congrès hal-00918752v1

Nature of the optical transition in (In,Ga)As(N)/GaP quantum dots (QDs): effect of QD size, indium composition and nitrogen incorporation

Cédric Robert Robert , Charles Cornet , K. Pereira da Silva , Pascal Turban , S. Mauger
Compound semiconductors week, IPRM, 2013, May 2013, Kobe, Japan
Communication dans un congrès hal-00918734v1

Γ-X competition in (In,Ga)As/GaP quantum dots (QDs) : effect of QD size and Indium composition

Cédric Robert Robert , Charles Cornet , Pascal Turban , S. Mauger , Thanh Tra Nguyen
euro-MBE conference, Mar 2013, Levi, Finland
Communication dans un congrès hal-00918669v1

(In,Ga)As/GaP quantum dots for monolithic integration on silicon

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Pascal Turban , Mathieu Perrin
31st International Conference on the Physics of Semiconductors (ICPS 2012), Jul 2012, Zurich, Switzerland
Communication dans un congrès hal-00726878v1

Quantitative study of microtwins in GaP/Si thin film and GaAsPN quantum wells grown on silicon substrates

Thanh Tra Nguyen , Cédric Robert Robert , Emmanuel Giudicelli , Antoine Létoublon , Charles Cornet
17th International Conference on Molecular Beam Epitaxy (MBE 2012), Sep 2012, Nara, Japan. pp.25-28, ⟨10.1016/j.jcrysgro.2012.11.046⟩
Communication dans un congrès hal-00788399v1

atomistic modelling of GaNAsP/GaPN type I quantum well heterostructures

Cédric Robert Robert , Mathieu Perrin , Charles Cornet , Jacky Even , Olivier Durand
31st International Conference on the Physics of Semiconductors (ICPS 2012), Jul 2012, Zurich, Switzerland
Communication dans un congrès hal-00726874v1

Optical and structural properties of (In,Ga)As/GaP quantum dots : C2 to C2v symmetry transition during the ripening process

Cédric Robert Robert , Charles Cornet , Pascal Turban , Thanh Tra Nguyen , Sylvain Tricot
international conference on MBE, 2012, Nara, Japan
Communication dans un congrès hal-00726776v1

tight-binding calculations of Ga(NAsP)/GaP(N) quantum wells for photonic integration on silicon

Cédric Robert Robert , Mathieu Perrin , Charles Cornet , Jacky Even , Olivier Durand
international conference on superlattice, nanostructures and nanodevices, 2012, Dresden, Germany
Communication dans un congrès hal-00726868v1
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Theoretical and experimental study of (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Pascal Turban , Mathieu Perrin
International Conference on Superlattices, Nanostructures, and Nanodevices (ICSNN 2012), Jul 2012, Dresden, Germany. pp.643, ⟨10.1186/1556-276X-7-643⟩
Communication dans un congrès hal-00726861v1

coherent integration of photonics on silicon through the growth of GaP/Si

Thanh Tra Nguyen , Cédric Robert , Charles Cornet , Weiming Guo , Antoine Létoublon
Technical Meeting of Sandie European Network of Excellence, 2012, Berlin, Germany
Communication dans un congrès hal-00788526v1

Développement d'un laser sur silicium dans l'approche pseudomorphique

Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Mathieu Perrin , Antoine Létoublon
Journées nationales de l'optique guidée, 2012, Lyon, France
Communication dans un congrès hal-00788434v1

Coherent integration of photonics on silicon through the growth of nanostructures on GaP/Si

Thanh Tra Nguyen , Cédric Robert Robert , Charles Cornet , Weiming Guo , Antoine Létoublon
Photonics west 2012, Jan 2012, San Fransisco, United States. pp.82681H, ⟨10.1117/12.910279⟩
Communication dans un congrès hal-00654337v1

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

Structural and optical properties of AlGaP confinement layers and InGaAs quantum dots light emitters onto GaP substrate: towards photonics on silicon application

Cédric Robert Robert , Thanh Tra Nguyen , Mathieu Perrin , Charles Cornet , Antoine Létoublon
European Materials Research Society Spring Meeting 2012 (E-MRS Spring 2012), May 2012, Strasbourg, France. pp.87-91, ⟨10.1016/j.tsf.2012.10.134⟩
Communication dans un congrès hal-00918657v1

Carrier injection in GaAsP(N)/GaPN Quantum Wells on Silicon

Charles Cornet , Cédric Robert Robert , Thanh Tra Nguyen , Weiming Guo , Alexandre Bondi
Compound Semiconductor Week 2011 - 23rd International Conference on Indium Phosphide and Related Materials (IPRM 2011), May 2011, Berlin, Germany. pp.1
Communication dans un congrès hal-00654285v1

Structural characterisation of GaP/Si nanolayers

Weiming Guo , Thanh Tra Nguyen , Antoine Létoublon , Georges Elias , Charles Cornet
European Materials Research Society 2011, May 2011, Strasbourg, France
Communication dans un congrès hal-00654330v1

MBE growth of (GaAsPN/GaPN)/GaP quantum wells light emitting diode

Alexandre Bondi , Charles Cornet , Weiming Guo , Olivier Dehaese , Nicolas Chevalier
euro-MBE 2011, Mar 2011, Alpe d'Huez, France
Communication dans un congrès hal-00654313v1
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Croissance hétérogène de semi-conducteurs III-V sur silicium : vers l'optoélectronique sur silicium

Charles Cornet , Antoine Létoublon , Weiming Guo , Alexandre Bondi , Soline Richard
Séminaire PONANT 2010, Jul 2010, Rennes, France. pp.9-11
Communication dans un congrès hal-00504506v1

RTA effects on optical absorption and thermal conductivity of GaAsPN grown on GaP for tandem solar cell applications

Soufiene Ilahi , Samy Almosni , Fares Chouchane , Mathieu Perrin , K. Zelazna
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France. 2016
Poster de conférence hal-01496900v1

GaAsPN Absorbers Grown on GaP for Multijunction Solar Cells: Optical Absorption and Thermal Conductivity Properties

Mickael da Silva , Soufiene Ilahi , Samy Almosni , Fares Chouchane , Mathieu Perrin
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France. 2016
Poster de conférence hal-01496917v1

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

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

Nature of the optical transition in (In,Ga)As(N)/GaP quantum dots (QDs): effect of QD size, indium composition and nitrogen incorporation

Cédric Robert Robert , Charles Cornet , K. Pereira da Silva , Pascal Turban , S. Mauger
25th International Conference on Indium Phosphide and Related Materials (IPRM2013), May 2013, Kobe, Japan. IEEE (ISSN: 1092-8669 ; e-ISBN: 978-1-4673-6131-6 ; Print ISBN: 978-1-4673-6130-9), IEEE Xplore Digital Library, pp.1-2, 2013, International Conference on Indium Phosphide and Related Materials (IPRM), 2013. ⟨10.1109/ICIPRM.2013.6562587⟩
Poster de conférence hal-00918662v1