PSI’s photonic device technologies are based on high conversion efficiency and ultra-high bandwidth electro-optic modulators as well as high photo-current and high bandwidth photodetectors. PSI’s RF system technology is based on a unique optical up-conversion technology that enables phased array antenna systems to physically image the RF environment, thereby providing a spatial orthogonality that mitigates co-channel and adjacent-channel interference, which enables frequency re-use on a spatially dense scale.
PSI’s up-conversion technology optically processes and maps RF signals into orthogonal spatial sectors based on angle-of-arrival with extreme spatial discrimination, while simultaneously processing tens to hundreds to thousands of beams with near unlimited bandwidth. This approach offers unprecedented information beam-bandwidth processing for next-generation 5G and B5G wireless communication systems.
PSI’s up-conversion technology enables a phased array antenna system to function as a video camera that provides a real-time, video-rate spatial rendering of the RF scene. This can be done in either active (illumination) or passive (no illumination) modes to provide a true “see-through” capability of numerous objects and obscurants. Applications include seeing through adverse environmental conditions, detection of concealed objects in non-intrusive screening portals of personnel or packages, aircraft navigation and landing in dense fog or dust clouds, non-destructive testing and evaluation of materials, as well as for quality control and inventory verification in manufacturing.