Madison, Wisconsin, United States
General: ab initio, Density Functional Theory (DFT), first-principles molecular dynamics Structural materials: ZrC, SiC Radiation behavior of ZrC: diffusion mechanism and diffusion coefficients, recombination path and barriers, threshold displacement energy, resistance to amorphization (topology model, glass-forming ability, defect accumulation model) Amorphization of SiC: path and barriers of recombination and kick-out reactions, amorphization and key annealing processes
General: graded photonic lattices, optical waveguide arrays Methods: field-evolution analysis, Hamiltonian Optics Theory: Optics, Photonics, Electromagnetics, Solid State Physics My work: • develop a phase diagram to establish the relation between optical oscillations and various eigenmodes • transit optical Bloch oscillation to dipole oscillation in parabolic optical waveguide arrays • observe anomalous Bloch-Zener oscillation and tunable hybridization in optical waveguide ladders • classify complicated optical oscillations in two-dimensional graded photonic lattices • realize long-living optical oscillations in elliptical optical waveguide arrays