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Nov 6 2020

Exotic Wave-Matter Interactions in Metamaterials Based on Broken Symmetries

ECE 595 Department Seminar Series

November 6, 2020

11:00 AM - 12:00 PM




Chicago, IL 60706

Exotic Wave-Matter Interactions in Metamaterials Based on Broken Symmetries

Presenter: Andrea Alù, CUNY Advanced Science Research Center

Abstract: In this talk, our recent research activity in electromagnetics, nano-optics and acoustics will be discussed, demonstrating how suitably tailored meta-atoms and arrangements of them open exciting venues to realize new phenomena and devices for light, radio-waves, and sound. Venues to largely break Lorentz reciprocity and realize isolation without the need of magnetic bias, based on broken time-reversal symmetry induced by mechanical motion, spatio-temporal modulation and/or nonlinearities will be discussed. Hear how broken symmetries in space and space-time can open the opportunity to induce topological order in metamaterials. Another class of interesting metamaterials based on broken symmetries are parity-time symmetric metamaterials, which are asymmetric in space, but symmetric upon parity and time inversion. In the talk, The impact of these concepts from basic science to practical technology, from classical waves to quantum phenomena, will also be discussed.

Speaker Bio: Andrea Alù is the founding director and Einstein Professor at the Photonics Initiative, CUNY Advanced Science Research Center. He received his Laurea (2001) and PhD (2007) from the University of Roma Tre, Italy, and, after a postdoc at the University of Pennsylvania, he joined the faculty of the University of Texas at Austin in 2009, where he was the Temple Foundation Endowed Professor until Jan. 2018. Dr. Alù is a fellow of: the National Academy of Inventors, Institute of Electrical and Electronics Engineers (IEEE), American Association for the Advancement of Science, Optical Society of America (OSA) , International Society for Optical Engineering, and American Physical Society. Alù has received several scientific awards, including the IEEE Kiyo Tomiyasu Award, the Vannevar Bush Faculty Fellowship from Department of Defense, the International Commission for Optics prize in Optics, the National Science Foundation Alan T. Waterman award, the OSA Adolph Lomb Medal, and the Union of Radio Scientifique Internationale Issac Koga Gold Medal.

Faculty Hosts: Danilo Erricolo, and Pai-Yen Chen,

Note: this seminar will not be recorded



Department of Electrical and Computer Engineering

Date posted

Nov 5, 2020

Date updated

Nov 17, 2020