Onglets principaux
Contact
Bibliographie & travail en cours
Enseignantchercheur au département de physique et à l'Institut du Photovoltaïque d'Ile de France (IPVF).
Avant ça, ingénieur de l'Ecole polytechnique (X2008), Master Physique Quantique de l'Ecole Normale Supérieure de Paris, Thèse au Laboratoire Kastler Brossel, JSPS Fellowship au RCAST (Université de Tokyo), postdoc ANR Industrial Chair au Laboratoire de Physique des Interfaces et des Couches Minces (Ecole polytechnique).
Membre du comité éxécutif du Tournoi International des Physiciens (IPT), éditeur en chef du journal pédagogique Emergent Scientist, membre de la commission Jeune de la Société Française de Physique.
Médiation scientifique : conférences grand public ("Comment parler de Science avec de la Fiction ?", "Energie et société"), Ambassadeur de la Fête de la Science pour la région Île de France (2018)
PHY 205 Intoduction to quantum mechanics
PHY 208 Atoms and Lasers
PHY 530 Refresher in Physics (a 16h update on basic quantum mechanics and semiconductor physics for photovoltaics)
PHY 558B Photovoltaics
PSC : International Physicists' Tournament, Quantum mechanics
Programme ATHENS : introduction au photovoltaique
Caractérisation optique de matériaux photovoltaïques
Nouveaux concepts pour la conversion d'énergie
Publications et Liens
 An electronic ratchet is required in nanostructured intermediate band solar cells
A. Delamarre, D. Suchet, N. Cavassilas, Y. Okada, M. Sugiyama and J.F. Guillemoles
Published in IEE JPV (2018)
 Beneficial impact of tunneling on electronic collection in intermediateband solar cell
N. Cavassilas, D. Suchet, A. Delamarre, F. Michelini, M. Bescond, Y.Okada, M. Sugiyama and J.F. Guillemoles
Published in EPJ PV (2018)
 Voltage preservation in ratchet band solar cells
D. Suchet, A. Delamarre, N Cavassilas, Z. Jehl, Y.Okada, M. Sugiyama and J.F. Guillemoles
Published Progress in Photovoltaics (2018)
 Influence of HotCarrier Extraction from a Photovoltaic Absorber: An Evaporative Approach
D. Suchet, Z. Jehl, J.F. Guillemoles, Y. Okada
Phys. Rev. Applied 8, 034030 (2017)
 Material Challenges for Solar Cells in the XXIst century
J.F. Guillemoles, D. Suchet et al.
Accepté dans Science and Technology of Advanced Materials (DOI 10.1080/14686996.2018.1433439)
 Towards an intrinsic definition of intermittency, the case study of electricity in France
D. Suchet, A. Jeantet, T. Elghozi and Z. Jehl
Soumis à Energy Policy
 Chemical engineering of quantum dots: A multiscale physicochemical study
D. Aureau, M. Bouttemy, M. Frégnaux, A. Etcheberry, Y. Shoji, Z. Jehl, D. Suchet, J.F. Guillemoles and Y. Okada
En préparation
 Longrangemediated interactions in a mixed dimensional system
D. Suchet, Z. Wu, F. Chevy and G. Bruun
Phys. Rev. A 95, 043643 (2017)
 Analog simulation of Weyl particles with cold atoms
D. Suchet, M. Rabinovic, T. Reimann, N. Kretschmar, F. Sievers, C. Salomon, J. Lau, O. Goulko, C. Lobo and F. Chevy
EuroPhysics Letters, Volume 114, Number 2, April 2016
 QuasiThermalisation of Fermions in a Quadrupole Trap
J. Lau, D. Suchet, O. Goulko, T. Reimann, C. Enesa, C. Salomon, F. Chevy and C. Lobo
En préparation.
 Simultaneous subDoppler laser cooling of fermionic Li6 and K40 on the D1 line: Theory and experiment
Franz Sievers, Norman Kretzschmar, Diogo Rio Fernandes, Daniel Suchet, Michael Rabinovic, Saijun Wu, Colin V. Parker, Lev Khaykovich, Christophe Salomon, and Frédéric Chevy
Phys. Rev. A 91, 023426 (2015)
 The second release of the Large Quasar Astrometric Catalog (LQAC2),
Souchay, J.; Andrei, A. H.; Barache, C.; Bouquillon, S.; Suchet, D.; Taris, F.; Peralta, R.;
Astronomy & Astrophysics 537, A99 (2012)
 The construction of the large quasar astrometric catalogue (LQAC),
J. Souchay, A. H. Andrei, C. Barache, S. Bouquillon, A.M. Gontier, S.B. Lambert, C. Le PoncinLafitte, F. Taris, E. F. Arias, D. Suchet, and M. Baudin,
Astronomy & Astrophysics 494, 799–815 (2009)
Hal
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Cours :
PHY/MEC471  MODAL  Tournoi international de Physique (IPT) (20182019)
PHY558B  Photovoltaics: Solar Energy (20182019)
Course outline :
 General introduction : Photovoltaic energy (PV) in the worldwide energetic context. Evolution of the PV market.
 Introduction to the physics of crystalline semiconductors : band structure, optical absorption, recombination, intrinsic and extrinsic semiconductors.
 Transport phenomena in semiconductors. The pn junction. Photovoltaic effect.
 Asymetrical devices. Metal/semiconductor contacts. Heterojunctions
 Solar cell operation. Solar cells and modules.
 Crystalline silicon (cSi) solar cells and IIIV compounds
 Amorphous and nanocrystalline semiconducors (structure, doping)
 Silicon thin film solar cells. Comparison with cSi. Silicon heterojunctions
 Cost of PV electricity. Environmental and social impact. Gridintegration challenges.
Niveau requis :
Recommended courses for Ecole polytechnique's students :
PHY430  Advanced Quantum Physics and PHY433  Statistical Physics
Langue du cours : English
Credits ECTS : 5
Course outline :
 General introduction : Photovoltaic energy (PV) in the worldwide energetic context. Evolution of the PV market.
 Introduction to the physics of crystalline semiconductors : band structure, optical absorption, recombination, intrinsic and extrinsic semiconductors.
 Transport phenomena in semiconductors. The pn junction. Photovoltaic effect.
 Asymetrical devices. Metal/semiconductor contacts. Heterojunctions
 Solar cell operation. Solar cells and modules.
 Crystalline silicon (cSi) solar cells and IIIV compounds
 Amorphous and nanocrystalline semiconducors (structure, doping)
 Silicon thin film solar cells. Comparison with cSi. Silicon heterojunctions
 Cost of PV electricity. Environmental and social impact. Gridintegration challenges.
Niveau requis :
Recommended courses for Ecole polytechnique's students :
PHY430  Advanced Quantum Physics and PHY433  Statistical Physics
Langue du cours : English
Credits ECTS : 5
PHY579  Physics of Direct Energy Conversion and Storage (20182019)
PHY579 Direct Energy Conversion and Storage
A  Summary
Production and energy management systems are presently undergoing profound changes. While many options are still under discussion, all share a few constraints (and opportunities?), limits, set by the laws of nature and in particular those of physics.
The conversion, transport and storage of energy are the three main processes at work within the energy systems. Note that the conversion of energy is also a determining element to the end use of energy services, and thus a key factor for energy efficiency. In most traditional systems, nondirect thermal/ mechanical/ electrical conversion is obtained through a thermodynamic cycle between a hot and a cold source. Direct conversion systems are based on the gradient of characteristic intensive magnitude (pressure, temperature, mechanical potential, chemical potential, …) or on the flow of an extensive quantity (heat, matter, radiation, ...) which is converted into electrical potential gradient that is easily convertible into other useful forms of energy. The course will focus on systems in which the coupling between gradients does not involve mobile mechanical part. This is relevant for the energy transition, where large quantities of energy have to be converted and stored efficiently, as well as for the information society (Internet of Things) where quantities of microsources have to be deployed.
The educational objective of the course is to make the link between fundamental, very general, physical constraints and practical applications in the energy sector. In its form, it will include a part course, to present the fundamental concepts, and a part of homework through (i) documents to be analyzed in group and (ii) personal work.
In the first part of this course, we will present general principles implemented within devices for direct conversion of energy, or rather power conversion from nonequilibrium thermodynamics. In a second part, we will study the physical principles governing the operation of different converters: thermoelectric, photovoltaic, thermionic, electrochemical,...
Physical factors limiting the efficiency of these systems will be studied in detail. With the development of nanosciences, some conventional approaches had to be reexamined, and therefore the way quantum behavior allowed to revisit some of the approaches of conversion will be also introduced.
Participants will explore one of these aspects through a personal work (individually or in pairs) on one or more scientific articles. This will be an opportunity for the student either to explore some physical limitations in conversion and storage, or look more in detail of specific conversion or storage systems. This work will be guided, and will include a short presentation to all students, and a longer discussion for the final examination.
The final exam will consist in an oral exam with question on the personnal work done on the selected topic.
B  Planning
N°  Course  Classes  When 
EA 1  Introduction, thermodynamics bases  Presentation of topics  18/09/2018 
EA 2  Non EquilibriumThermodynamics: fluxes, forces, coupled fluxes  Articles : Endoreversibles Systems  25/09/2018 
EA 3  Production of entropy, Dissipation, minima & maxima  Articles : Constructal approach  02/10/2018 
EA 4  Thermodynamics of light, thermal & electromagnetic conversion  Articles : Planck’s Law and generalisations, conversion of photons  16/10/2018 
EA 5  Thermoelectricity  Article : classical & mesoscopic approaches  23/10/2018

EA 6  Photovoltaics  Guided work on personnal topics  06/11/2018 
EA 7  Presentation (midterm) of personnal work  Presentation (midterm) of personnal work  13/11/2018 
EA 8  Electrochemistry : conversion & storage  Articles : chemical systems for direct conversion, osmosis, batteries  20/11/2018 
EA 9  Magnetohydrodynamics, Thermoionic and electrokinetic conversions  Article: limits to energy storage  27/11/2018 
10  Examinations 


C  Useful reading
 Physique de la conversion d’énergie, JeanMarcel Rax  EDP Sciences/CNRS Editions
 Physique statistique hors d’équilibre, Noëlle Pottier  EDP Sciences/CNRS Editions
 Thermodynamics of Solar Energy Conversion, Alexis De Vos  WileyVCH Sustainable Energy  without the hot air, David JC Mackay  http://www.withouthotair.com/
 Thermodynamics and an introduction to thermostatistics, H. Callen  John Wiley & Sons
Course language : English
Credits ECTS : 4
PHY208  Atoms and Lasers (20182019)
Light amplification by stimulated emission of radiation (laser) holds a unique place in the heart of physicists. Lasers are at the same time a spectacular manifestation of a quantum phenomenon, a powerful and versatile tool ranging from industrial applications (laser processing, telemetry...) to fundamental research (spectroscopy, cold atoms,...) and a remarkable workbench to acquire a better understanding of key concepts in physics.
PHY208 is an introduction to lightmatter interactions through the intricate relationship between atoms and lasers. Importantly, this course will build on experimental situations, and introduce models with increasing complexity to explain the observed results. As the basic component of a laser is a source of light, the course will start with basic spectroscopy, and several atomic models will be considered (Bohr model, Einstein coefficients, Schrodinger model, etc.). The emission of continuous laser light by such atoms will be described from both a classical (effective medium) and semiclassical (population inversion) perspective. The mirror will then be turned back on the atoms, and several applications of laser light revealing the behavior of atoms will be discussed (Light, Stark and Zeeman shift, Rabi oscillations etc.). Finally, some practical perspectives on advanced laser technologies and applications will be given.
This course will not add many new physical concepts, but rather show how results obtained in previous courses (especially in optics, classical and quantum mechanics) can be used. Upon completion of this course, students will have acquired key understandings concerning the bilateral interactions between laser devices and atoms. They will have understood the circumstances under which the emission of useful coherent light can be produced, and also the information that such light can provide when analyzing atomic systems. They will also be able to identify the relevance, necessity, and limitations that classical and quantum models display when analyzing problems in this field. They will also gain familiarity with some laser device technologies.
PHY205  Introduction to Quantum Physics (20182019)
Quantum physics is the theoretical framework for the description of nature at the atomic length scale and below. According to our present knowledge, it encompasses the most fundamental physical theory, and is the basis for everyday applications like semiconductor electrons, lasers, medical imaging to name only a few. In PHY 205, students discover quantum physics through the formalism of Schrödinger’s wave mechanics, and learn to describe simple, nonrelativistic quantum phenomena, mainly in one dimension, by applying mathematics of classical waves to which they have become familiar. Subsequently, they are introduced to the quantummechanical formalism of which the central notion is the quantum state. Students also become familiar with the underlying mathematical structures, Hilbert spaces and Hermitian operators, and discover the quantum description of known classical systems and concepts such as free motion, the harmonic oscillator and angular momentum. The course also allows students to explore purely quantum phenomena that have no classical counterpart, such as the electron spin, and a brief overview on quantum communication may be provided. Throughout the course, the abstract theory will be illustrated by historic experimental evidence and modern applications whenever appropriate.
Upon completion of this course, students will be able to explain the conceptual difference between classical and quantum behavior, and solve simple one or twodimensional problems of quantum mechanics in the framework of wave mechanics. Furthermore, they will be able to wield the abstract formalism of quantum states in Hilbert spaces, and to apply it on simple quantum systems.
PHY204  Classical Electrodynamics (20182019)
Classical electrodynamics is an important pillar of physics given that it led to numerous scientific and technological developments since the 19th century. PHY 204 aims to provide students with an introduction to the principles and behaviors of dynamical electric and magnetic systems, and a theoretical foundation in classical field theory. It builds upon the knowledge acquired in PHY104 and begins with reminders in electrostatics and magnetostatics, before moving on to a more formal presentation of Maxwell’s equations in magnetic and dielectric media including local and integral forms, conservation laws, potential formulations and Gauge transformations. Applications of the electromagnetic theory such as free or guided propagation, optical phenomena or the emission of radiation by moving charges are presented as key concepts illustrating the development of modern technology. The course concludes with an introduction to relativistic electrodynamics and its covariant formulation.
Upon completion of this course, students will master the fundamental principles in classical electrodynamics. They will be able to understand the origin of Maxwell's equations in magnetic and dielectric media and their essential consequences. Besides deriving and solving simple models illustrating the main concepts, they will also be able to understand the physical principles governing everyday life and modern technological systems, from wave propagation phenomena to optical fibers, to antennas and electrical engines.
Topics covered in this course include: electrostatics, potential problems in 3D, boundary value problems, Poisson’s equation, multipole expansion; conservation laws; diaparaferromagnetism, induction laws; field energy; displacement current; solution to Maxwell’s equations in vacuum, superconductivity (London theory); plane electromagnetic waves; waveguides and resonators; radiating systems; special theory of relativity; relativistic kinematics; Lorentz transforms of Fields; 4 vectors, covariant formulation of electromagnetism; radiation by moving charges; synchrotron radiation; Cherenkov radiation.
PHY205  Introduction to Quantum Physics (20192020)
Quantum physics is the theoretical framework for the description of nature at the atomic length scale and below. According to our present knowledge, it encompasses the most fundamental physical theory, and is the basis for everyday applications like semiconductor electrons, lasers, medical imaging to name only a few. In PHY 205, students discover quantum physics through the formalism of Schrödinger’s wave mechanics, and learn to describe simple, nonrelativistic quantum phenomena, mainly in one dimension, by applying mathematics of classical waves to which they have become familiar. Subsequently, they are introduced to the quantummechanical formalism of which the central notion is the quantum state. Students also become familiar with the underlying mathematical structures, Hilbert spaces and Hermitian operators, and discover the quantum description of known classical systems and concepts such as free motion, the harmonic oscillator and angular momentum. The course also allows students to explore purely quantum phenomena that have no classical counterpart, such as the electron spin, and a brief overview on quantum communication may be provided. Throughout the course, the abstract theory will be illustrated by historic experimental evidence and modern applications whenever appropriate.
Upon completion of this course, students will be able to explain the conceptual difference between classical and quantum behavior, and solve simple one or twodimensional problems of quantum mechanics in the framework of wave mechanics. Furthermore, they will be able to wield the abstract formalism of quantum states in Hilbert spaces, and to apply it on simple quantum systems.
PHY208  Atoms and Lasers (20192020)
Light amplification by stimulated emission of radiation (laser) holds a unique place in the heart of physicists. Lasers are at the same time a spectacular manifestation of a quantum phenomenon, a powerful and versatile tool ranging from industrial applications (laser processing, telemetry...) to fundamental research (spectroscopy, cold atoms,...) and a remarkable workbench to acquire a better understanding of key concepts in physics.
PHY208 is an introduction to lightmatter interactions through the intricate relationship between atoms and lasers. Importantly, this course will build on experimental situations, and introduce models with increasing complexity to explain the observed results. As the basic component of a laser is a source of light, the course will start with basic spectroscopy, and several atomic models will be considered (Bohr model, Einstein coefficients, Schrodinger model, etc.). The emission of continuous laser light by such atoms will be described from both a classical (effective medium) and semiclassical (population inversion) perspective. The mirror will then be turned back on the atoms, and several applications of laser light revealing the behavior of atoms will be discussed (Light, Stark and Zeeman shift, Rabi oscillations etc.). Finally, some practical perspectives on advanced laser technologies and applications will be given.
This course will not add many new physical concepts, but rather show how results obtained in previous courses (especially in optics, classical and quantum mechanics) can be used. Upon completion of this course, students will have acquired key understandings concerning the bilateral interactions between laser devices and atoms. They will have understood the circumstances under which the emission of useful coherent light can be produced, and also the information that such light can provide when analyzing atomic systems. They will also be able to identify the relevance, necessity, and limitations that classical and quantum models display when analyzing problems in this field. They will also gain familiarity with some laser device technologies.
PHY530  Refresher Course in Physics (20192020)
PHY630  Physics Refresher Course (20192020)
PHY/MEC471  MODAL  Tournoi international de Physique (IPT) (20192020)
Groupe de Travail Pédagogie
PHY657  Modeling the energy and climate transitions (20192020)
Modeling the energy and climate transitions
PHY 657
J.F. Guillemoles
& D. Suchet
A Summary
Production and energy management systems are presently undergoing profound changes. An ever larger number of decisions are based on models and simulations, and especially models with a physical basis. This is often seen in particular in the context of the energy and climate transitions: energy systems models help to improve design and get better performances, better and more competitive fabrication processes, longer lifetimes, better informed investment decisions (in terms of how much energy could ultimately be expected), climate models help understand complex interaction between human activity and environment, scenarios for social transitions help steer political decisions. The models are used to improve our understanding of energy systems by their description (simulation) or by providing tentative explanations, based on our knowledge of physical laws and of the dynamics of the system, they are also expected to deliver some level of prediction, on which decisions could be based. Unfortunately, while the output and conclusions of the models are often readily used and debated, the methodology and the validity of hypothesis and results are not often enough closely scrutinized.
All these models describe complex situations. They can also be illused, challenged, or even rebutted. In this context it is essential to understand how these models are built, and how reliable they are. Physics is the science that arguably gave the most accurate models available. It is very powerful in terms of analyzing the key components of an evolving system.
The educational objective of the course is to show how to use physicist’s tools of the trade to answer the upcoming challenges on energy and climate change: how to build a model in the energy and climate change contexts? How can the key elements be selected? How is it validated? How is its reliability explored? How are uncertainty and incomplete data dealt with?
This is not a course in applied mathematics: efficient programming is important, as is a careful choice of algorithms, but this comes after the general framework is chosen and the direction set. Nor is it a course on big data analysis. An efficient algorithm can produce irrelevant or wrong data, and using up to date data analysis tool will not help to produce sensible conclusions. This course will focus on reliable and relevant model production.
The first 3 lectures will provide general methodological basis. Following courses, that will include presentations by experts of the fields covered, will dig into prominent cases of application. Participants will complete their training through a case study that will be proposed to them. This work will be guided, and will include a report followed by a discussion for the final examination.
B Proposed Planning
N°  Course Content  Classes 
 when 
1  Principles of modeling, model classes, methodology  Exemples 


2  Analysis and model building, dimensional analysis, dimensional reduction  Building a model 


3  Model validation and sensitivity analysis, model calibration  Checking a model 


4  Modeling production processes, dissipation functions  Guided Case study 


5  Modeling materials for energy : simulations and materials by design, micro to macro.  Guided Case study 


6  Modeling energy output (productible)  Guided Case study 


7  Modeling flows on planet earth  Guided Case study 


8  Climate modeling and uncertainties  Guided Case study 


9  Scenario modeling and decision making  Guided Case study 


10  Examinations 



PHY555  Energy and Environment (20192020)
Bilingual Course
The general topic of energy, both at French and worldwide levels, represents some considerable challenge in this beginning of the twentyfirst century. We should take up in the next few years a significant number of challenges including the depletion of fossil resources or the consequences of global warming. Understanding concepts related to energy, its most fundamental aspects in its various forms and many uses, becomes essential in the formation of an engineer. The impact on the environment, climate change, the reasonable use of fossil fuels and alternative solutions must be at the heart of its concerns.
This course is largely a about physics and applications. However, it introduces and develops numerous multidisciplinary concepts related to energy such as economy or environment. It will represent an introductory course for students who are considering to study in Masters for careers related to the problems of energy and sustainable development. It will give to other students some comprehensive and rigorous overview of problems, essential to understand our society and its issues.
The course consists of approximately three parts
1. The energy and its use
Historical context and definitions. First and second principles.
Orders of magnitude and fundamental interactions.
The different forms of energy. Primary and secondary Energy. Efficiencies.
Resource depletions. The peak oil discoveries.
The French and worldwide context.
The climatic consequences. The mechanism of the greenhouse effect.
CO2 emissions and international agreements.
2.Renewable energy
Different solutions: hydro power, wind power, solar, biomass and others.
Comparison of different type of primary energy in the production of electricity.
Hydrogen as energy vector for the future. The general problem of transport.
The technical, environmental and economic issues.
The recent improvement for the use of fossil fuels.
CO2 storage and other research topics.
3. Nuclear Energy
Principle of current reactors. The future generation 4.
The fuel cycle and resource depletion.
Problems and solution of waste storage.
The prospects of fusion for the production of electricity
The Tchernobyl, Fukushima and Three Mile Island accidents.
Credits ECTS : 5
Bilingual Course
The general topic of energy, both at French and worldwide levels, represents some considerable challenge in this beginning of the twentyfirst century. We should take up in the next few years a significant number of challenges including the depletion of fossil resources or the consequences of global warming. Understanding concepts related to energy, its most fundamental aspects in its various forms and many uses, becomes essential in the formation of an engineer. The impact on the environment, climate change, the reasonable use of fossil fuels and alternative solutions must be at the heart of its concerns.
This course is largely a about physics and applications. However, it introduces and develops numerous multidisciplinary concepts related to energy such as economy or environment. It will represent an introductory course for students who are considering to study in Masters for careers related to the problems of energy and sustainable development. It will give to other students some comprehensive and rigorous overview of problems, essential to understand our society and its issues.
The course consists of approximately three parts
1. The energy and its use
Historical context and definitions. First and second principles.
Orders of magnitude and fundamental interactions.
The different forms of energy. Primary and secondary Energy. Efficiencies.
Resource depletions. The peak oil discoveries.
The French and worldwide context.
The climatic consequences. The mechanism of the greenhouse effect.
CO2 emissions and international agreements.
2.Renewable energy
Different solutions: hydro power, wind power, solar, biomass and others.
Comparison of different type of primary energy in the production of electricity.
Hydrogen as energy vector for the future. The general problem of transport.
The technical, environmental and economic issues.
The recent improvement for the use of fossil fuels.
CO2 storage and other research topics.
3. Nuclear Energy
Principle of current reactors. The future generation 4.
The fuel cycle and resource depletion.
Problems and solution of waste storage.
The prospects of fusion for the production of electricity
The Tchernobyl, Fukushima and Three Mile Island accidents.
Credits ECTS : 5