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I am an experimental Associate Research Scientist in the Physics Department at the University of Maryland College Park and a member of the Center of Nanophysics and Advanced Materials. I study electronic properties of condensed matter systems. Measurements are performed using various optical and dc transport techniques, with an emphasis on energy scales pertaining to the terahertz and infrared spectral regions.
The recent focus of my research is on topological states of matter: Weyl and 3D Dirac materials, the study of 3D and 2D topological insulators, extension of the dc- quantum Hall effect into the terahertz regime utilizing monolayer graphene as a test bed as well as GaAs 2-DEGs.
Current and future research includes magneto-optical studies of Weyl and 3D Dirac systems in the Voight and Faraday geometries using terahertz broadband and laser measurements. The goal is to optically measure and characterize dynamic and static chiral pumping effects, isolate and explore the transport properties of the Fermi arc surface states as a function of Fermi level, and explore various magneto-optical-like effects that arise from the underlying Berry-phase curvature.