• Optical Communications and Networking.

• Fiber-Wireless Networks (PON and LTE-WiFi Heterogeneous Networks).

•  Software-Defined Optical Networks (SDONs).

• Software-Defined Radio Access Networks (S-RAN).

•  Optical Network Control Layer (GMPLS/ASON/WSON).

•  Routing and Resource Allocation in Optical Networks.

• Visible Light Communication (VLC).

•  Impairment Aware Resource Allocation in Elastic Optical Networks (EON).

•  Optical OFDMA and OCDMA based Passive Optical Networks (PON).

• Fiber –Optic Sensors.