SPIE Optics + Photonics is SPIE’s flagship international conference and exhibition focused on optical engineering and photonics research. It convenes researchers, engineers, and industry exhibitors at the San Diego Convention Center to present technical papers, short courses, and a technology exhibition highlighting advances in areas such as nanophotonics, quantum science, organic photonics, and astronomical instrumentation. The event is notable for its broad interdisciplinary program that connects cutting‑edge academic research with industrial applications across the optics and photonics ecosystem.