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Prof. Barry Bradlyn spoke about the discovery of topological materials as one of the most transformative recent breakthroughs in condensed matter physics, revealing new conceptual surprises in established topics such as the phases of matter and the behavior of electrons in insulators. Most work on...

Prof Sean Molesky discussed how Lagrange duality heuristics for quadratically constrained quadratic optimization problems (QCQPs) can substantially lessen these knowledge gaps for a variety of common photonic design problems. As showcased by initial applications to topics including radiative...

Dr. Sathwik Bharadwaj spoke about the concept of photonic frequency (ω) - momentum (q) dispersion that has been extensively studied in artificial dielectric structures such as photonic crystals and metamaterials. However, the ω-q dispersion of electrodynamic excitations hosted in natural materials...

Prof. Stephan Haas discussed how the many-body excitation spectrum of topological insulators is affected by the presence of long-range Coulomb interactions. In the one-dimensional Su-Schrieffer-Heeger model and its mirror-symmetric variant, strongly localized plasmonic excitations are observed which...

Exciting news as Xueji Wang, Ph.D. student in our group, has been selected as a Defense Advanced Research Projects Agency (DARPA) Riser for 2022. Mr. Wang will participate in the DARPA’s Forward conference series that provides networking opportunities to discover and engage new talents.