Celestial AI, creator of the Photonic Fabric optical interconnect technology platform, announced it raised $175 million in its Series C funding round led by Thomas Tull's U.S. Innovative Technology Fund (USIT). In addition to USIT, the round included 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.