Metamaterial (in Miniaturized structures for microwave frequencies and cloaking)

Complex Media (Bi-anisotropic materials, Baised ferrite, Chiral, ... )

Graphene (in IR absorbers, and Radar Cross Sectipon (RCS) reduction)

Scattering analysis of planar periodic structures (Lens and Frequency Selective Surface (FSS) structures)

Plasmonic metasurface

Photonic Crystals

Implementation of Composite Reflector Antennas 

Antenna Design (Reflect-array antenna, reconfigurable antenna, spiral antenna, wired antenna, ...)

Microwave structures (OMT, Waveguide Filters, Power-dividers, ...)