Subpixel smoothing for conductive and dispersive media. http PDF
Iterative technique for analysis of periodic structures at oblique incidence. http PDF
Hybrid transfer-matrix FDTD method for layered periodic structures. This method can be used for calculation of transmission and reflection for planar layers of scatterers, and band structure of photonic crystals. http PDF
Additional back absorbing layers technique to reduce numerical reflection from PML. http PDF
Simulation of Maxwell-Liouville equations for single quantum emitters in FDTD http PDF