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SUMMARY:IEM Distinguished Lecturers Seminar: Emergence of Quantum Space-Ti
 me Engineered-Modulation (Q-STEM) Metamaterials
DTSTART:20250429T131500
DTEND:20250429T140000
DTSTAMP:20260921T165032Z
UID:5b384b91739390758ca6c1e2841f104688dff9caf0eb45e8d6cb12d6
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Christophe Caloz\, KU Leuven\, Belgium\n***Coffee and S
 weets will be served at 13:00 in the hall of BM 5202***\n\n\nAbstract\nSpa
 ce-Time Engineered-Modulation (STEM) metamaterials represent a new paradig
 m in classical and quantum electronics and optics\, enabling unprecedented
  control over electron/light-matter interactions by introducing time-depen
 dent properties into otherwise static structures. This talk explores Quant
 um STEM (Q-STEM) metamaterials with diverse structural and dynamical confi
 gurations\, approached through the framework of transition engineering—a
  holistic strategy for tailoring quantum states via structured space-time.
  We address two foundational problems in this context. The first concerns 
 the response of time- and space-time-varying metamaterials to an electron\
 , revealing novel scattering phenomena\, Aharonov-Bohm-type effects and th
 e possibility of engineering the Klein gap\, a mass gap associated with Di
 rac-like dispersion relations. The second investigates the creation and an
 nihilation of photon pairs in arbitrarily time-varying media\, uncovering 
 the emergence of small-scale entangled and spectrally structured states\, 
 along with large-scale multi-stage enhanced signal-to-noise ratio (SNR) am
 plification. Together\, these problems illustrate the transformative poten
 tial of Q-STEMs in redefining quantum optics and electronics\, pointing to
 ward a new class of quantum devices with enhanced functionality\, efficien
 cy and scalability.\n\nBio\nChristophe Caloz received the Diplôme d'Ingé
 nieur en Électricité and the Ph.D. degree from École Polytechnique Féd
 érale de Lausanne (EPFL)\, Switzerland\, in 1995 and 2000\, respectively.
  From 2001 to 2004\, he was a Postdoctoral Research Fellow at the Microwav
 e Electronics Laboratory\, University of California at Los Angeles (UCLA).
  In 2004\, he joined Polytechnique Montréal\, where he was a Professor (A
 ssistant 2004\, Associate 2006\, Full 2010) and the holder of a Canada Res
 earch Chair (Tier-II 2005-2015 and Tier-I 2015-2019) in Metamaterials unti
 l 2020. In 2020\, he joined KU Leuven as a BOFZAP Professor and as the hea
 d of the META Research Group.\n\nDr. Caloz has authored and co-authored ov
 er 850 technical conference\, letter and journal papers\, 17 books and boo
 k chapters\, and he holds a dozen of patents. His works have generated ove
 r 40\,000 citations\, and he is a Thomson Reuters Highly Cited Researcher.
  He received a number of awards\, including the UCLA Chancellor’s Award 
 for Post-doctoral Research in 2004\, the MTT-S Outstanding Young Engineer 
 Award in 2007\, the E.W.R. Steacie Memorial Fellowship in 2013\, the Prix 
 Urgel-Archambault in 2013\, the Killam Fellowship in 2016\, and many best 
 paper awards with his students at international conferences. He has been F
 ellow of the Institute of Electrical and Electronics Engineers (IEEE) sinc
 e 2010\, a Distinguished Lecturer of the Antennas and Propagation Society 
 (AP-S) from 2014 to 2016\, a Fellow of the Canadian Academy of Engineering
  (CAE) since 2016\, and a Fellow of Optical (formerly Optical Society of A
 merica - OSA) since 2019.\n\nHis research interests include all fields of 
 theoretical\, computational and technological electromagnetics\, with stro
 ng emphasis on emergent and multidisciplinary topics\, such as metamateria
 ls and metasurfaces\, quantum and nano electromagnetics\, space-time elect
 rodynamics\, and exotic antenna systems and real-time radio/photonic proce
 ssing.\n 
LOCATION:BM 5202 https://plan.epfl.ch/?room==BM%205202 https://epfl.zoom.u
 s/j/63124898719
STATUS:CONFIRMED
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