Coherent's Silicon Photonics Breakthrough and the Future of AI Datacenter Optics

Coherent Corp.'s joint breakthrough with Tower Semiconductor demonstrates 400 Gbps-per-lane silicon photonics data transmission for next-gen 3.2T optical transceivers. This collaboration highlights Coherent's role in pushing higher-bandwidth optical links for AI datacenters and co-packaged optics, an area where performance and ecosystem partnerships are crucial. The breakthrough supports Coherent's investment narrative around AI datacenter optics but doesn't remove the risk of large capex programs and intense competition pressuring margins and returns if demand or pricing disappoints.