Photonic chip that 'fits together like Lego' opens door to semiconductor industry

https://phys.org/news/2023-12-photonic-chip-lego-door-semiconductor.html

"compact heterogenous integration of chalcogenide glass with silicon semiconductor chip integrates electronics with photonics.... expands RF bandwidth and accurate control of information... more information flow and advanced filter controls.. advanced radar, satellite systems, 6G and 7G... tunable 15 gigahertz bandwidth with spectral resolution down to 37 MHz... microwave photonic filters have flexibility to filter different frequencies, reducing electromagnetic interference and enhancing signal quality"

Related: New type of tunable filter reveals the potential for terahertz wireless communications

https://phys.org/news/2024-03-tunable-filter-reveals-potential-terahertz.html