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Jonathan Graves

Expertise Research and Teaching in the field of Magnetic Fusion and Plasma physicsExternal international positions and roles:Chair of Magnetic Confinement Fusion Plasmas University of YorkEditor-in-Chief of Plasma Physics and Controlled FusionDirector of Varenna-Lausanne Theory Conference Jonathan Graves shares his time between the Swiss Plasma Center in EPFL where he is a Senior Scientist, and the University of York, where he is Professor of Physics and Chair in Magnetic Confinement Fusion Plasmas. He is also Editor-in-Chief of the journal Plasma Physics and Controlled Fusion. He achieved first class joint honours in Electronic Engineering and Mathematics from the University of Nottingham, UK in 1996. During his Ph.D. (Theoretical Mechanics, University of Nottingham 1999) he was based in at Culham Laboratory, United Kingdom Atomic Energy Authority, developing kinetic models of plasma instabilities, and participating in deuterium-tritium experimental analysis in the Joint European Torus. After a short time in industry he took a position at the Swiss Plasma Center at EPFL, becoming a Senior Scientist in 2014. In 2015 he became a member of the EUROfusion Scientific and Technical Advisory Committee (STAC) and a member of the EUROfusion DEMO Technical Advisory Group. He became Director of the Varenna-Lausanne International Workshop in Theory of Fusion Plasmas in 2020. In 2022 he became Chair in Magnetic Confinement Fusion Plasmas, Professor of the School of Physics, Engineering and Technology, University of York, UK. And he became Editor-in-Chief of Plasma Physics and Controlled Fusion in 2023.Research Interests Magnetohydrodynamic confinement and stability of tokamak plasmas, linear and non-linear resistive instabilities, long wavelength kinetic instabilities in tokamaks, kinetic theory, fast particle physics, 3D Alfvenic and Wave codes (LEMan code), guiding centre theory and codes (VENUS-LEVIS code), ion cyclotron resonance heating in 3D (SCENIC code), impurity transport in 3D rotating plasmas ResearchResearch Magnetohydrodynamic confinement and stability of tokamak plasmas, linear and non-linear resistive instabilities, long wavelength kinetic instabilities in tokamaks, kinetic theory, fast particle physics, 3D Alfvenic and Wave codes (LEMan code), guiding centre theory and codes (VENUS-LEVIS code), ion cyclotron resonance heating in 3D (SCENIC code), impurity transport in 3D rotating plasmas Teaching & PhD PhD Students Hugo Jean Elie Chkroun, Chizhou Wang, Guillaume Raphäel Hervé Van Parys, Joachim Jacques Koerfer, Lili Édes, Fabien Nicolas Jeanquartier, Erol Balkovic Past EPFL PhD Students Daniele Brunetti, Jonathan Marc Philippe Faustin, Madhusudan Raghunathan, Andreas Kleiner, Hamish William Patten, Samuel Lanthaler, Eduardo José Lascas Neto, Antoine Baillod, Guillermo Bustos Ramirez, Mike Machielsen, Margot Marion Yannick Coste-Sarguet Past EPFL PhD Students as codirector Martin Jucker, Mattia Albergante, David Pfefferlé Courses Magnetic confinement PHYS-731 To provide an overview of the fundamentals of magnetic confinement (MC) of plasmas for fusion.The different MC configurations are presented, with a description of their operating regimes.The basic elements of particle & energy transport, of plasma-wall interaction & of burning plasma are introduced. Plasma instabilities PHYS-736 To complete the theoretical knowledge acquired before the graduate studies.

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Duccio Testa

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Olivier J.F. Martin received the M.Sc. and Ph.D. degrees in physics in 1989 and 1994, respectively, from the Swiss Federal Institute of Technology, Lausanne (EPFL), Switzerland. In 1989, he joined IBM Zurich Research Laboratory, where he investigated thermal and optical properties of semiconductor laser diodes. Between 1994 and 1997 he was a research staff member at the Swiss Federal Institute of Technology, Zurich (ETHZ). In 1997 he received a Lecturer fellowship from the Swiss National Science Foundation (SNSF). During the period 1996-1999, he spent a year and a half in the U.S.A., as invited scientist at the University of California in San Diego (UCSD). In 2001 he received a Professorship grant from the SNSF and became Professor of Nano-Optics at the ETHZ. In 2003, he was appointed Professor of Nanophotonics and Optical Signal Processing at the Swiss Federal Institute of Technology, Lausanne (EPFL), where he is currently head of the Nanophotonics and Metrology Laboratory and Director of the Microengineering Section.

Olivier Schneider

After his thesis defense in particle physics in 1989 at University of Lausanne, Olivier Schneider joins LBL, the Lawrence Berkeley Laboratory (California), to work on the CDF experiment at the Tevatron in Fermilab (Illinois), first as a research fellow supported by the Swiss National Science Foundation, and later as a post-doc at LBL. He participates in the construction and commissioning of the first silicon vertex detector to operate successfully at a hadron collider; this detector enabled the discovery of the sixth quark, named "top". Since 1994, he comes back to Europe and participates in the ALEPH experiment at CERN's Large Electron-Positron Collider, as CERN fellow and then as CERN scientific staff. He specializes in heavy flavour physics. In 1998, he becomes associate professor at University of Lausanne, then extraordinary professor at the Swiss Institute of Technology Lausanne (EPFL) in 2003, and finally full professor at EPFL in 2010. Having worked since 1997 on the preparation of the LHCb experiment at CERN's Large Hadron Collider, which started operation in 2009, he is now analyzing the first data. He also contributes since 2001 to the exploitation of the data recorded at the Belle experiment (KEK laboratory, Tsukuba, Japan). These two experiments study mainly the decays of hadrons containing a b quark, as well CP violation, i.e. the non-invariance under the symmetry between matter and antimatter.

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Tobias J. Kippenberg is Full Professor of Physics at EPFL and leads the Laboratory of Photonics and Quantum Measurement. He obtained his BA at the RWTH Aachen, and MA and PhD at the California Institute of Technology (Caltech in Pasadena, USA). From 2005- 2009 he lead an Independent Research Group at the MPI of Quantum Optics, and is at EPFL since. His research interest are the Science and Applications of ultra high Q microcavities; in particular with his research group he discovered chip-scale Kerr frequency comb generation (Nature 2007, Science 2011) and observed radiation pressure backaction effects in microresonators that now developed into the field of cavity optomechanics (Science 2008). Tobias Kippenberg is alumni of the “Studienstiftung des Deutschen Volkes”. For his invention of “chip-scale frequency combs” he received he Helmholtz Price for Metrology (2009) and the EFTF Young Investigator Award (2010). For his research on cavity optomechanics, he received the EPS Fresnel Prize (2009). In addition he is recipient of the ICO Prize in Optics (2014), the Swiss National Latsis award (2015), the German Wilhelm Klung Award (2015) and ZEISS Research Award (2018). He is fellow of the APS and OSA, and listed since 2014 in the Thomas Reuters highlycited.com in the domain of Physics. EDUCATION 2009: Habilitation (Venia Legendi) in Physics, Ludwig-Maximilians-Universität München 2004: PhD, California Institute of Technology (Advisor Professor Kerry Vahala) 2000: Master of Science (Applied Physics), California Institute of Technology 1998: BA in Physics, Technical University of Aachen (RWTH), Germany 1998: BA in Electrical Engineering, Technical University of Aachen (RWTH), Germany ACADEMIC POSITIONS 2013 - present: Full Professor EPFL 2010 - 2012: Associate Professor EPFL 2008 - 2010: Tenure Track Assistant Professor, Ecole Polytechnique Federale de Lausanne 2007 - present: Marie Curie Excellent Grant Team Leader, Max Planck Institute of Quantum Optics (Division of Prof.T.W. Hänsch) 2005 - present: Leader of an Independent Junior Research Group, Max Planck Institute 2005- present: Habilitant (Prof. Hänsch) Ludwig-Maximilians-Universität (LMU) 2005-2006: Postdoctoral Scholar, Center for the Physics of Information, California Institute of Technology 2000-2004: Graduate Research Assistant, California Institute of Technology PRIZES AND HONORS: ZEISS Research Award 2018 Fellow of the APS 2016 Klung-Wilhelmy Prize 2015 Swiss Latsis Prize 2014 Selected Thomson Reuters Highly Cited Researcher in Physics, 2014/2015 ICO Prize, 2013 EFTF Young Scientist Award (for "invention of microresonator based frequency combs") 2010 Fresnel Prize of the European Physical Society (for contributions to Optomechanics) 2009 Helmholtz Prize for Metrology (for invention of the monolithic frequency comb) 2009 1st Prize winner of the EU Contest for Young Scientists, Helsinki, Finland. Sept. 1996 Jugend forscht 1st Physics Prize at the German National Science Contest May 1996 FELLOWSHIPS Fellow of the German National Merit Foundation ("Studienstiftung des Deutschen Volkes") 1998-2002 Member of the Daimler-Chysler-Fellowship-Organization 1998-2002 Dr. Ulderup Fellowship 1999-2000 RESEARCH INTERESTS Experimental and theoretical research in photonics, notably high Q optical microcavities and their use in cavity quantum optomechanics and frequency metrology PUBLICATIONS AND OFTEN CITED METRICS*: >70 Publications in peer reviewed journals Researcher Google Profile: http://scholar.google.ch/citations?user=PRCbG2kAAAAJ&hl=en h-Index 54 (Google scholar H: 64, >25,000 citations) Thomson Reuters/Claravite List of Highly Cited Researchers (2014,2015,2016,2017) careful in its use: https://www.aps.org/publications/apsnews/201411/backpage.cfm KEY PUBLICATIONS AND REVIEWS: A. Ghadimi, et al. Elastic strain engineering for ultra high Q nanomechanical oscillators Science, (2018) Trocha, et al. Ultrafast distance measurements using soliton microresonator frequency combs Science, Vol. 359 (2018) [joint work with C. Koos] Pablo-Marin et al. Microresonator-based solitons for massively parallel coherent optical communications Nature (2017) [joint work with C. Koos] V. Brasch, et al. Photonic chip-based optical frequency comb using soliton Cherenkov radiation. Science, vol. 351, num. 6271 (2015) Aspelmeyer, M., Kippenberg, T. J. & Marquardt, F. Cavity optomechanics. Reviews of Modern Physics 86, 1391-1452, (2014) Wilson, D. J. et al. Measurement and control of a mechanical oscillator at its thermal decoherence rate. Nature (2014). Verhagen, E., Deleglise, S., Weis, S., Schliesser, A. & Kippenberg, T. J. Quantum-coherent coupling of a mechanical oscillator to an optical cavity mode. Nature 482, 63-67 (2012). Kippenberg, T. J., Holzwarth, R. & Diddams, S. A. Microresonator-based optical frequency combs. Science 332, 555-559, (2011). Weis, S. et al. Optomechanically induced transparency. Science 330, 1520-1523 (2010). Kippenberg, T. J. & Vahala, K. J. Cavity optomechanics: back-action at the mesoscale. Science 321, 1172-1176, (2008). Del'Haye, P. et al. Optical frequency comb generation from a monolithic microresonator. Nature (2007) Schliesser, A., DelHaye, P., Nooshi, N., Vahala, K. & Kippenberg, T. Radiation Pressure Cooling of a Micromechanical Oscillator Using Dynamical Backaction. Physical Review Letters 97, (2006).

Guido Haefeli

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Jonathan Graves

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RF sheath modeling of experimentally observed plasma surface interactions with the JET ITER-Like Antenna

The effect of beryllium oxide on retention in JET ITER-like wall tiles

High-resolution tungsten spectroscopy relevant to the diagnostic of high-temperature tokamak plasmas