A clear picture shows which aspects of optical interconnection will truly benefit in the year 26. CPO is the direction, but 26 is not the year for full realization; This year's cash is 1.6T, LPO/NPO, light source, testing PCB/ABF/CCL， And coexistence of light and copper. The investment pace should actually switch from "long-term imagination" to "2026 performance realization". The real focus in the field of optical interconnection is on companies that have already placed orders in 1.6T, LPO/NPO, light sources, testing, and high-speed boards.