Development of high-accuracy mode solvers for optical waveguides or dielectric waveguides having sophisticated structures based on various numerical techniques, such as finite difference methods, finite element methods, spectral methods, etc.
Development of advanced time-domain electromagnetic analysis and simulation methods for optoelectronics applications, including photonic crystals, nanophotonics, and plasmonics.
Research on photonic crystal structures and related devices, in particular, applications in guided-wave optics and photonic circuits, such as photonic crystal fibers and photonic crystal waveguide devices.
Development of beam propagation methods for analysis and design of guided-wave optical structures.
Study and modeling of various fiber-optic and integrated optic devices, such as fused fiber devices, polished fiber devices, directional coupling devices, polarization-dependent devices, grating-based devices, etc.