From an applied physics point of view, this perspective discusses novel materials and integration schemes of active Si photonics devices for a broad range of applications in data communications, spectrally extended complementary metal–oxide–semiconductor (CMOS) image sensing, as. From an applied physics point of view, this perspective discusses novel materials and integration schemes of active Si photonics devices for a broad range of applications in data communications, spectrally extended complementary metal–oxide–semiconductor (CMOS) image sensing, as. Programmable optical interconnect offers significant advantages for AI supercomputing clusters. Tens to hundreds of GPUs/TPUs/xPUs connected by optical circuit switches enable reconfiguration of network topology for specific AI workloads. It also increases machine availability, resilience, and. Si photonics has made rapid progress in research and commercialization in the past two decades. While it started with electronic–photonic integration on Si to overcome the interconnect bottleneck in data communications, Si photonics has now greatly expanded into optical sensing, light detection and. Silicon photonics is an attractive technology for Photonic Integrated Circuits (PICs) because it builds directly on the extreme maturity of the silicon nano-electronics world. Thereby it opens a route towards very advanced PICs with very high yield and low cost. Photonics21 and TEMATYS accept no liability whatso ver for any use of the study by third parties. Accelerate your optics integration roadmap. 8 Tbps of aggregate bandwidth and 4x pluggable density, enabling high-capacity deployments in compact.