Coherent launches PhotonLink for AI data centers

Coherent launched PhotonLink, an integrated-optics platform for AI data centers, with more than 10 CPO and more than 10 NPO customer engagements. Its launch release says it also has more than five chip-to-chip engagements and expects PhotonLink revenue to ramp in Q4 2026. For cluster builders, optical connectivity is moving from component sourcing to qualification queue; our analysis of NVIDIA’s photonic switch explains why headline bandwidth still needs port-level tests.