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Combining Chirality with Parity-Time Symmetry in Metamaterials
In this webinar hosted by the Photonic Metamaterials Technical Group, Maria Kafesaki will summarize the research of the PPM Group at the Institute of Electronic Structure and Laser (IESL) of Foundation for Research and Technology Hellas (FORTH) on chiral parity-time (PT) symmetric systems, and general chiral gain-loss systems/metamaterials.

Dr. Kafesaki will show that despite the mirror-asymmetry of chiral metamaterials, achieving complete parity-time symmetry in such systems is possible, and it is associated with a variety of novel propagation and scattering characteristics. These characteristics include mixed PT-related phases, multiple exceptional points, asymmetric reflection, asymmetric wave ellipticity, and others. Most of the above characteristics are easily controllable externally and can be exploited in various applications related to electromagnetic wave polarization control.

Another issue related with chirality and PT-symmetry is the potential of the PT-symmetric systems for molecular chirality sensing. Dr. Kafesaki will briefly discuss this potential at the close of the webinar.

Subject Matter Level: Introductory - Assumes little previous knowledge of the topic

What You Will Learn:
• Researchers working on metamaterials
• Ph.D. students
• Post-Doctoral students

Who Should Attend:
• Chiral metamaterials
• Parity-Time symmetry
• Chirality sensing

Mar 30, 2023 11:00 AM in Eastern Time (US and Canada)

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Speakers

Maria Kafesaki
@University of Crete & Foundation for Research and Technology Hellas
Maria Kafesaki is an Associate Professor in the Dept. of Materials Science and Technology at the University of Crete and an Adjunct Researcher at the Institute of Electronic Structure and Laser (IESL) of the Foundation for Research and Technology Hellas (FORTH). She obtained her Ph.D. from the University of Crete, Greece, Physics Department, on elastic wave propagation in complex media. She has worked as a post-doc in the Consejo Superior de Investigaciones Cientificas in Madrid, Spain, and IESL of FORTH. Her current research is in the area of electromagnetic wave propagation in complex media, with an emphasis on photonic crystals and metamaterials, where she has large theoretical and computational experience. She has more than 130 publications in refereed journals and more than 80 invited talks at international conferences/schools and Institutions. She is a Fellow of Optica.

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