OpenLight develops a heterogeneous III-V silicon photonics process and a foundry-validated process design kit (PDK) that integrates active and passive components—such as integrated lasers, modulators, amplifiers, and detectors—into custom PASICs. Its PDK is validated at Tower Semiconductor and is used by more than 25 companies to design and fabricate production-grade PASICs across datacom, telecom, AI data centers, sensing, and quantum computing. The company holds over 410 patents related to its PDK and manufacturing of heterogeneously integrated III-V photonics. OpenLight is advancing leading-edge components including 400G modulators and indium phosphide on-chip lasers and amplifiers, and plans to develop standards-based reference PICs at 1.6T and 3.2T. The firm aims to expand its PDK library, worldwide sales, and technical support as it scales; it is headquartered in Santa Barbara, California, with offices in Silicon Valley and has raised $84 million in total funding.

Total raised

$84M

Funding rounds

2

Latest round

Series A

Latest activity

Apr 2026