Coherent Corp. Enhances Silicon Carbide Platform with New 300mm Capability
SAXONBURG, Pa., Dec. 03, 2025 — Coherent Corp. (NYSE: COHR), a global leader in photonics, has announced a significant advancement in its silicon carbide (SiC) technology. The company is launching a next-generation 300mm SiC platform aimed at meeting the increasing thermal efficiency demands within AI datacenter infrastructures. This innovative solution builds on Coherent's existing 200mm platform expertise, allowing for enhanced performance and scalability in response to the growing needs of modern datacenters.
Key Features of the 300mm SiC Platform
Coherent's new 300mm platform offers a range of improvements designed to handle rising thermal loads effectively:
- Energy Efficiency: Transitioning to larger diameter SiC wafers unlocks substantial gains in energy efficiency and thermal management.
- High Power Demand: The platform is engineered for systems that require higher power density, faster switching, and superior thermal performance.
- Low Defect Density: Conductive SiC substrates exhibit low resistivity and high homogeneity, which optimize performance in demanding applications.
Implications for AI Datacenters and Beyond
While the primary focus remains on datacenter thermal management, Coherent is also working on advancing SiC technologies for Augmented Reality (AR), Virtual Reality (VR)
“AI is transforming the thermal-management landscape in datacenters, and silicon carbide is emerging as one of the foundational materials enabling this scalability,” stated Gary Ruland, Senior Vice President and General Manager at Coherent. “Our 300mm platform, which we plan to ramp in high volumes, delivers new levels of thermal efficiency that translate directly into faster, more power-efficient AI datacenters.”
Applications across Various Industries
The applications for Coherent’s 300mm SiC platform extend beyond datacenters:
- Consumer Electronics: The technology enhances waveguides for AR smart glasses and VR headsets, improving reliability for compact immersive displays.
- Power Electronics: The transition to 300mm facilitates the production of more devices per wafer, thereby reducing the cost per chip which benefits sectors such as electric vehicles, renewable energy systems, and industrial automation.
Coherent's Commitment to Innovation
The introduction of the 300mm SiC platform solidifies Coherent Corp.'s leadership in the field of wide-bandgap semiconductor materials. This innovation marks a critical step in enabling further advancements across datacenters, optical technologies, and power applications.
Contact and Additional Information
For more information about Coherent's cutting-edge silicon carbide substrates, visit: Coherent SiC Substrates.
About Coherent: Established in 1971, Coherent is recognized as a global leader in photonics. The company serves various industries, including datacenter, communications, and industrial sectors, worldwide, leveraging its comprehensive technology stack to solve complex technological challenges. Visit us at coherent.com.
Media Contact: innovations@coherent.com