Eli Burstein Lecture in Materials Science

Eli Burstein Lecture 04.03.23 posterShedding Nano-Light on Quantum Materials

Dmitri N. Basov
Higgins Professor and Chair of Physics
Director, Energy Frontiers Research Center
Columbia University

Dmitri N. Basov portraitMonday, April 3, 2023
4:00 pm
Glandt Forum (3rd Floor)
Singh Center for Nanotechnology
3205 Walnut Street, Philadelphia, PA 19104
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Seating is limited within the venue (150 person), but overflow space will be available.  Come early to ensure a seat in the room.


Optical imaging is pervasive in daily life and in modern technology. Unfortunately, optics encounters problems when it comes to “seeing” objects that are much smaller than the wavelength of light. And that is the task we are commonly facing in the physics of quantum materials hosting various unexplored quantum phases. Interesting effects in these systems often occur at nano-meter length scales that are much shorter than the wavelength of light. Over the last decade, our group deployed a fundamentally different form of optical imaging well suited to extend infrared and optical experiments to the nano-scale. We no longer use free space photons to inquire into the new physics of quantum materials. Instead, our imaging agent is a hybrid quasiparticle know as a polariton that is comprised of a photon and material excitations. Polaritons are extremely compact beating the diffraction by several orders of magnitude. Yet they are mobile and can surf along the sample surfaces over macroscopic distances. Propagating aspects of nano-scale polaritons were theoretically discussed in pioneering works of Elias Burstein but were difficult to implement because of technical complexities. As we track „nano-light“ polaritonic waves with home-built tools, we learn about the physics of quantum materials supporting these waves. In this talk, I will discuss several examples of progress with the understanding of the electronic phenomena and of topological effects in solids all empowered by nano-light.


Dmitri N. Basov (PhD 1991) is a Higgins professor and Chair of the Department of Physics at Columbia University [http://infrared.cni.columbia.edu], the Director of the DOE Energy Frontiers Research Center on Programmable Quantum Materials and co-director of Max Planck Society – New York Center for Nonequilibrium Quantum Phenomena. He has served as a professor (1997-2016) and Chair (2010-2015) of Physics, University of California San Diego. Research interests include: physics of quantum materials, superconductivity, two-dimensional materials, infrared nano-optics. Prizes and recognitions: Sloan Fellowship (1999), Genzel Prize (2014), Humboldt research award (2009), Frank Isakson Prize, American Physical Society (2012), Moore Investigator (2014, 2020), K.J. Button Prize (2019), Vannevar Bush Faculty Fellowship (U.S. Department of Defense, 2019), National Academy of Sciences (2020).

A.J. Sternbach, S. L. Moore, A. Rikhter, S. Zhang, R. Jing, Y. Shao, B. S. Y. Kim, S. Xu, S. Liu, J. H. Edgar, A. Rubio, C. Dean, J. Hone, M. M. Fogler, D. N. Basov “Negative refraction in hyperbolic hetero-bicrystals” Science 379, 555 (2023).
A.J. Sternbach, S. H. Chae, S. Latini, A. A. Rikhter, Y. Shao, B. Li, D. Rhodes, B. Kim,P. J. Schuck, X. Xu, X.-Y. Zhu, R. D. Averitt, J. Hone, M. M. Fogler, A. Rubio, and D. N. Basov, “Programmable hyperbolic polaritons in van der Waals semiconductors,” Science 371, 617 (2021).
Y. Dong, L. Xiong, I.Y. Phinney, Z. Sun, R. Jing, A.S. McLeod, S. Zhang, S. Liu, F.L. Ruta, H. Gao, Z. Dong, R. Pan, J.H. Edgar, P. Jarillo-Herrero, L.S. Levitov, A.J. Millis, M.M. Fogler, D.A. Bandurin, and D.N. Basov, “Fizeau drag in graphene plasmonics,” Nature 594, 513 (2021)

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