Curriculum Vitae

Biographical Sketch

Philippe Roux

ISterre

University Grenoble Alpes, France

A. EDUCATION

2001 - Professorial recognition (Habilitation), Paris University.
1998 - Postdoctoral Research, Scripps Institute of Oceanography, San Diego (USA).
1997 - PhD with Specialty in Liquid Physics, Paris University.
1994 - École Normale Supérieure (Paris), Specialty in Physics.

B. CURRENT POSITION(S)

since Jan. 2020 - Director of ISTerre, Grenoble (France).
2009 - Director of Research (DR1 since Jan. 2016), CNRS, ISTerre, Grenoble (France).

C. PREVIOUS POSITION(S)

2005 - Research Associate (CNRS), ISTerre Laboratory, Paris (France).
2004 - Research Associate (tenured position), Scripps Institute of Oceanography, San Diego (USA).
2002 - Visiting Scientist, Scripps Institute of Oceanography, San Diego (USA).
1999 - Research Associate (CNRS), Waves and Acoustics Laboratory, ESPCI, Paris (France).

D. FELLOWSHIPS AND AWARDS

2013 Medwin Prize in Acoustical Oceanography (Acoustical Society of America).
2012 Excellence in Refereeing for Journal of Geophysical Research - Solid Earth (JGR).
2010 -2014 Reward for Scientific Excellence, CNRS.
2009 Best Paper Award of the European Association of Geoscientists and Engineers (EAGE).
2005 Chair of Excellence Grant (ANR).
2004 Fellow of the Acoustical Society of America.

E. RESEARCH ACTIVITY

I am an experimental physicist with a solid background in the field of acousto-elastic wave propagation, both at the medical ultrasound scale (mm) and at the scale of underwater acoustics (km) or geophysics (100 km). My scientific career has been built through several geographical mutations which were as many thematic mutations.

During my thesis at the Laboratoire Ondes et Acoustique (under the supervision of Mathias Fink, 1994-1997), I worked with laboratory assistants on the concept of temporal reversal and its applications, on the one hand to the propagation in ultrasonic waveguides, and on the other hand to the interaction between an acoustic wave and a vorticity filament.

Afterwards, I pursued my young research career by two stays at the Scripps Institute of Oceanography (San Diego, California), from Sept. 1997 to Dec. 1998 as a post-doc and from Jan. 2002 to July 2005 during a secondment at the CNRS. During my first stay, I deepened my theoretical and numerical knowledge in underwater acoustics. Supervised by W.A. Kuperman, I was confronted for the first time to the analysis of oceanic data by participating to an experiment at sea. During the second stay, I created and developed the ultrasonic acoustics laboratory within the Scripps Inst. of Oceanography where I obtained a tenured position in Jan. 2004. My research was then oriented towards the spatio-temporal coherence of ambient noise in underwater acoustics and geophysics. Despite a great involvement in laboratory experiments, I spent more than three months at sea on three successive temporal reversal experiments in ocean waveguides (2003, 2004 and 2005) in collaboration with the NATO Undersea Saclant Center (La Spezia, Italy).

Between these two stays, freshly recruited at the CNRS (section 5 : Physics of condensed matter), I continued in Paris (LOA, now the Langevin Institute) my research on the coherence of the acoustic field with emphasis on wave propagation in strongly reverberant cavities (Jan. 1999-Dec. 2001). Funded by a young ACI researcher, I worked during this period on the concept of acoustic resonator by designing a "time reversal bazooka" capable of generating very high amplitude shock waves with a few transducers connected to low-power electronics.

Since July 2005, we moved back to France for good in Grenoble where I created the experimental acoustics team within the LGIT (now the Institute of Earth Sciences) thanks to an ANR Junior Chair of Excellence. Interactions remain strong with San Diego where I make one or two stays per year (one month in July 2013, for example). With Michel Campillo as a close collaborator, my research themes are naturally oriented towards seismology and geophysics. My work in geophysics is related to the use of ambient noise for imaging and monitoring of the earth’s surface envelopes over propagation distances ranging from ten meters to a thousand kilometers. Geological objects such as fault zones, volcanoes or glaciers are part of my daily study objects. In 2018, we performed a high-resolution imaging expriment on the Argentiere Glacier in the French Alps , the RESOLVE project (https://resolve.osug.fr/), where we used a dense seismic network of 100 new-generation seismic instruments to monitor a glacier with unrivalled spatio-temporal resolution.

However, apart from geophysics, I remain fundamentally attached to experimental physics and to the physics of waves in complex media as shown by my latest work on meta-materials. For example, I recently coordinated (1) the ANR METAFORET project (2016-2021, https://metaforet.osug.fr/) which raises the question of the behaviour of a dense forest on surface waves, with trees playing the surprising role of coupled resonators for seismic waves and (2) the ECHOFISH project (2018-2023, https://echofish.osug.fr/) which aims to study the multiple scattering of ultrasonic waves by dense schools of fish.

To end this summary with a few highlights, I was named "Fellow" of the Acoustical Society of America in November 2004. I was promoted Director of Research at the CNRS in October 2009 and DR1 in 2016. I benefited from the Scientific Excellence Award from 2010 to 2013. I was awarded the Medwin Prize in Acoustical Oceanography by the Acoustical Society of America (ASA) in June 2013. Between 2012 and 2017, I managed the Waves team at ISTerre (50 people including 17 permanent researchers and 7 engineers/technicians). I was a member of commission 18 of the CNRS national committee (2016-2021) after having been a member of the CGRA1 commission of the Institute for Research and Development (IRD) from 2010 to 2014. Finally, I am the new director of ISTerre ( 300 people including 150 permanent staff) for the next five years starting since January 2020 ...

F. TOP 10 PUBLICATIONS ACCORDING TO ISI WEB OF SCIENCE (citation number)

1) M. Fink, D. Cassereau, A. Derode, C. Prada, P. Roux, M. Tanter, J-L. Thomas and F. Wu, Time-reversed acoustics, Reports on Progress in Physics, Vol. 63, N. 12, pp. 1933-1995, 2000 (512).

2) K. G. Sabra, P. Gerstoft, P. Roux, W.A. Kuperman and M. Fehler, Extracting time domain Green’s function estimates from ambient seismic noise, Geophys. Res. Lett. 32, L03310, 2005 (429).

3) K.G. Sabra, P. Gerstoft, P. Roux, W.A. Kuperman and M. Fehler, Surface wave tomography from seismic ambient noise in Southern California, Geophys. Res. Lett., 32, L14311, 2005 (387).

4) P. Roux, K.G. Sabra, W.A. Kuperman and A. Roux, Ambient noise cross-correlation in free space : theoretical approach, J. Acoust. Soc. Am. 117(1), pp. 79-84, 2005 (332).

5) A. Derode, P. Roux and M. Fink, Robust acoustic time reversal with high–order multiple scattering, Phys. Rev. Lett, Vol.75, N.23, pp. 4206-4209, 1995 (322).

6) P. Roux and W.A. Kuperman, Extracting coherent wavefronts from acoustic ambient noise in the ocean, J. Acoust. Soc. Am., 116 (4), pp. 1995-2003, 2004 (252).

7) P. Roux, K. G. Sabra, P. Gerstoft and W.A. Kuperman, P-waves from cross-correlation of seismic ambient noise, Geophys. Res. Lett., 32, L19303, 2005 (238).

8) A. Colombi, D. Colquitt, P. Riux, S. Guenneau and R. V. Craster, A seismic metamaterial : the resonant metawedge, Scientific Reports 6, 27717, 2016 (225).

9) A. Colombi, P. Roux, S. Guenneau, P. Gueguen, and R. V. Craster, Forests as a natural seismic metamaterial : Rayleigh wave bandgaps induced by local resonances, Scientific Reports 6, 19238, 2016 (220).

10) C. Hadziioannou, E. Larose, O. Coutant, P. Roux, and M. Campillo, Stability of Monitoring Weak Changes in Multiply Scattering Media with Ambient Noise Correlation : Laboratory Experiments, J. Acoust. Soc. Am., 125(6), pp. 3688-3695, 2009 (187).

G. ORGANISATION OF SCIENTIFIC MEETINGS

May 2011, April 2013, May 2015 & June 2017 :
Co-Director of the series of workshops : “Passive Imaging and Monitoring in Wave Physics : from Seismology to Ultrasound”, one week, Cargese (Corsica), France (95 participants).

H. COMMISSIONS OF TRUST

– 2012-2015 : Member of National Recruiting Committee at Institute of Res. and Dev. (IRD, CGRA1).
– 2012-2017 : Leader of the team "Waves and Structures" at ISTerre (55 scientists, including 17 Faculty Staff and 7 Technicians/ Engineers).
– 2015-2018 : Board member of ITN Waves.
– 2016-2021 : Board member of GDR “METAmateriaux Acoustiques pour l’Ingénierie”.
– 2016-2021 : Member of National Recruiting Committee at CNRS (INSU, section 18).
– Since Oct. 2017 : Board member of Scientific Institute of Cargese.

I. PUBLICATIONS LIST AND BIBLIOMETRY
– 217 articles in peer-reviewed Journals (9 publications with more than 200 citations).
– 6 book chapters.
– 51 conference proceedings.
– 37 invited lectures in international meetings.
– 3 patents.

According to ISI Web of Science (August 2023)

J. SUPERVISION OF GRADUATE STUDENTS AND POSTDOCTORAL FELLOWS

Postdoctoral Fellows – with number of common papers :
E. Larose : March 2006-Oct 2006 – 6 ; A. Sukhovich : March 2008-Dec 2009 – 1 ; M. Corciuolo : June 2009-March 2012 – 2 ; L. Bonneau : Jan 2011-May 2012 – 1. F. Walter : Oct 2012-Oct 2014 – 1 ; A. Colombi : June 2013-Jan 2015 – 13 ; J. Riviere : Oct 2016-Oct 2018 ; M. Lott : Oct 2017-Oct. 2019 – 6 ; B. Tallon : Jan 2019-Dec. 2020 - 3 ;

PhD student supervision (year of defense)
Passed - with number of common papers
S. Conti (2005) - 9 ; S. Walker (2005) - 8 ; P. Gouedard (2008) - 5 ; I. Iturbe (2009) - 4 ; T. Gallot (2010) – 4 ; C. Marandet (2011) – 5 ; B. Froment (2011) – 2 ; E. Cros (2011) – 3 ; B. de Cacqueray (2012) - 3 ; F. Aulanier (2012) - 3 ; P. Boue (2013) - 3 ; E. Tudisco (2013) - 1 ; M. Rupin (2014) – 11 ; V. Clerc (2017) - 1 ; M. Chmiel (2017) - 3 ; M. A. Brossault (2017) – 2 ; J. Aichele (2019) – 1 ; C. Gradon (2019) - 2 ; T. Van Baarsel (2020) – 2

Current (with main research topic)
S. Ayaz (2023) – Seismic metamaterial

K. RESEARCH FOCUS
– Ocean acoustic tomography from vertical arrays of sources and receivers and experimental investigations at the laboratory scale : the sensitivity kernel approach.
– Experimental, numerical and theoretical study of spatio-temporal coherence of seismic ambient noise, with applications to high-resolution surface-wave imaging and monitoring.
– Advanced array processing on dense arrays to detect/localize microseismic events buried in noise (https://resolve.osug.fr/).
– Ultrafast imaging of transient deformation in 3D gels, with applications to high-resolution imaging of rupture dynamics of the friction surface.
– Metamaterial physics at the mesoscopic scale with laboratory & geophysics experiments (https://metaforet.osug.fr/).
– Ultrasonic experiments in fish schools in the multiple scattering regime : evaluation and monitoring of the biomass in lakes and aquaculture cages (https://echofish.osug.fr/).

L. ACTIVE COLLABORATIONS (number of co-authored papers)

W.A. Kuperman (Underwater acoustics), Scripps Inst. of Oceanography, San Diego (USA) – 47 papers.
M. Campillo (Geophysics), ISTerre, Grenoble (France) – 36 papers.
M. Fink (Complex wave physics), Institut Langevin, Paris (France) – 23 papers.
J. Mars (Signal processing), GIPSA-Lab, Grenoble (France) – 9 papers.
J. Virieux (Inversion), ISTerre, Grenoble (France) – 3 papers.
Y. Ben Zion (Fault zone), University of South California (USC), Los Angeles (USA) – 6 papers
P. Johnson (Rock physics), Los Alamos Laboratory, New Mexico (USA) - 2 papers

M. GRANTED PATENTS

– 1- July 2016 - Processing seismic data to remove noise, CGG Services S.A., US 20160209537A1, M.Chmiel, P. Roux, T. Bardainne.

– 2- Sept. 2013 - System and method for three-dimensional iterative filtering of scattered waves in cross-spread seismic system, CGG Services S.A., US 20140095079, B. de Cacqueray and P. Roux.

– 3- Oct. 2012 - Device and method for computing depth velocity variations, CGG Services S.A., CGG Services S.A., EP 2594964, US 20130131991, B. de Cacqueray, P. Roux, M. Campillo, S. Catheline, J. Meunier, T, Bianchi.

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Curriculum Vitae