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Physics Seminar: Control of light-matter interaction in 2D materials
January 31, 2019 @ 12:00 pm - 1:00 pm
Prof. Vinod Menon
City College of CUNY
New York, NY
Two-dimensional (2D) Van der Waals materials have emerged as a very attractive class of optoelectronic material due to the unprecedented strength in its interaction with light. In this talk I will discuss approaches to enhance and control this interaction by integrating these 2D materials with microcavities, and metamaterials. I will first discuss the formation of strongly coupled half-light half-matter quasiparticles (microcavity polaritons)  and their spin-optic control  in the 2D transition metal dichacogenide (TMD) systems. Prospects of realizing condensation and few photon nonlinear switches using Rydberg states in TMDs will also be discussed. Following this, I will discuss the routing of valley excitons in 2D TMDs using chiral metasurfaces . Finally, I will talk about room temperature single photon emission from hexagonal boron nitride  and the prospects of developing deterministic quantum emitters using them .
References X. Liu, et al., Nature Photonics 9, 30 (2015)  Z. Sun et al., Nature Photonics 11, 491 (2017)  S. Guddala et al., ArXiv 1811.00071  Z. Shotan, et al., ACS Photonics 3, 2490 (2016)  N. Proscia, et al. Optica 5, 1128 (2018).
Light refreshments will be served.