Celestial AI Closes $175M Series C

Celestial AI, a Santa Clara, CA-based creator of an optical interconnect technology platform, raised $175M in Series C funding.

The round was led by Thomas Tull’s U.S. Innovative Technology Fund (USIT), with participation from new and existing investors including AMD Ventures, Koch Disruptive Technologies (KDT), Temasek, Temasek’s wholly owned subsidiary Xora Innovation, IAG Capital Partners, Samsung Catalyst, Smart Global Holdings (SGH), Porsche Automobil Holding SE, Engine Ventures, M-Ventures and Tyche Partners.

The company intends to use the funds to execute multiple large-scale customer collaborations focused on commercializing its Photonic Fabric technology platform.

Led by CEO Dave Lazovsky, Celestial AI is the creator of the Photonic Fabric, an optical interconnect technology platform for compute and memory, which provides the foundational technology for optically scalable, disaggregated data center compute and memory to enable advancements in AI with sustainable and profitable business models.

Photonic Fabric enables the disaggregation of compute and memory, which allows each component to be leveraged and scaled most effectively. This technology delivers greater bandwidth and memory capacity while reducing latency and power consumption compared to existing optical interconnect alternatives and copper.