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SUMMARY:IEM Seminar Series: Metamaterial devices for a new degree of wave 
 control
DTSTART:20230120T131500
DTEND:20230120T140000
DTSTAMP:20260427T224119Z
UID:8b63953f65f1aaf4ba0aadeb4661aa01e85dcd4a56ead2967ae53520
CATEGORIES:Conferences - Seminars
DESCRIPTION:Romain Fleury\nAbstract\nWaves\, such as light or sound\, are 
 used everywhere in current technologies\, from communication systems to im
 aging devices. Electromagnetic or mechanical waves can transport energy ov
 er long distances\, and be used to carry information through complex media
  or to process it in engineered systems.\n\nThe characteristic size of a w
 ave\, known as the wavelength\, plays a key role in the engineering of wav
 e devices capable of filtering\, routing\, or focusing wave energy. In par
 ticular\, controlling waves on scales smaller than the wavelength is extre
 mely challenging\, yet highly desirable especially when the wavelength is 
 macroscopic\, as in the case of audible sound or microwaves.\n\nIn this ta
 lk\, I will discuss how to solve this vexing challenge using metamaterials
 \, which are structured wave materials with tailored dispersive properties
 . In a first part\, I will explain how our laboratory has managed to creat
 e and transfer to the market a new generation of microwaves devices that a
 re orders of magnitude lighter that the ones currently used in satellites.
  In a second part\, I will demonstrate how it is possible to leverage topo
 logy as a tool to force waves to travel along a predefined path without ba
 ck-reflections\, thereby drastically squeezing the size of microwave netwo
 rks. Finally\, I will discuss how active metamaterials and metasurfaces ca
 n counteract the harmful effect of disorder in a complex medium\, allowing
  waves to be transmitted through multiple scattering media and arbitrarily
  move and rotate objects within them\, despite the presence of large dynam
 ic disorder.\n\nBiography\nRomain Fleury is currently Tenure-Track Assista
 nt Professor at EPFL\, where he leads the Laboratory of Wave Engineering. 
 He has obtained the Ph.D. degree in Electrical and Computer Engineering fr
 om the University of Texas at Austin in 2015\, working with Prof. Andrea A
 lù. In 2016\, he was a Marie-Curie Post-Doctoral Fellow at ESPCI Paris-Te
 ch and CNRS Langevin Institute\, in Paris\, working with Prof. Mathias Fin
 k. He started at EPFL in 2017\, in the Institute of Electrical and Micro E
 ngineering\, within the EPFL School of Engineering.\nHis research interest
 s include a wide variety of topics in the field of wave physics and engine
 ering\, including periodic structures\, nonreciprocal wave propagation\, c
 lassical topological insulators\, active and time-modulated metamaterials\
 , etc. He has co-authored more than 50 articles in scientific journals\, i
 ncluding Science\, Nature\, and various Physical Review journals. He has r
 eceived in 2018 an Eccellenza grant from the SNSF\, and in 2021 an ERC Sta
 rting grant. He has served as Technical Program Committee chair of the Eur
 opean conference Eucap 2019 (1200 submissions)\, and editorial board membe
 r of the New Journal of Physics (IOP). He is the recipient of various teac
 hing awards\, including the 2019 STI Polysphere award and a IEL best teach
 er award. Finally\, he is the co-founder of Minwave\, a company supported 
 by the European Space Agency\, selling miniaturized microwave devices base
 d on an invention patented by his laboratory. Minwave received various tec
 h transfer awards\, including ESA-BIC CH\, FIT and Venture Kick.\n\nMore i
 nformation is available at https://www.epfl.ch/labs/lwe/.\n 
LOCATION:ELA 1 https://plan.epfl.ch/?room==ELA%201 https://epfl.zoom.us/j/
 62010837224
STATUS:CONFIRMED
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