The specific and concrete lines of action developed in the Communications Unit are:

• Fabrication and characterisation of solid-state lasers, lasers with self-converting frequency using non-linear optical processes, amplifiers and fibre lasers.
• Optical frequency conversion imaging systems. Laser active vision time-of-flight (LADAR) systems. Laser telemetry systems
• Design and development of optical signal generation and microwave photonic signal processing systems. Microwave photonic filters
• Fibre optic sensors. Design and development of interrogators for fibre optic sensor systems using microwave photonics techniques
• Structures for QPM in ferroelectric crystals, and their thermal and electro-optical control
• Optical metrology systems based on microwave photonics
• Dielectric frequency selective surfaces
• Study of the multi-pactor effect in microwave components for high-power applications
• Analysis and efficient design of passive microwave devices in guided technology
• Analysis and design of substrate integrated waveguide (SIW)-based filters
• Design of passive devices in planar technology
• Design of biological property sensors based on microwave resonators
• Heterogeneous V2X vehicular communications networks
• 5G and beyond networks and communications
• Wireless communications for Industry 4.0