Lumentum, founded in 2015 and headquartered in San Jose, California, operates as a global force in optical and photonic technologies. The company's work underpins critical infrastructure across AI-driven data centers, cloud computing, telecommunications, industrial manufacturing, and precision sensing. With over 11,000 employees spanning multiple continents, Lumentum maintains a significant technical presence in semiconductor platforms and vertically-integrated manufacturing.
The company's technical domains span optical communications, commercial lasers, photonics, and 3D sensing, alongside materials science and advanced semiconductor fabrication. Its vertically-integrated manufacturing model allows it to control production from foundational materials through finished components - a structural advantage in an industry where precision and reliability are paramount.
Lumentum's work intersects several of the most demanding sectors in modern technology. Its optical and photonic components serve as enabling infrastructure for the AI compute clusters and cloud data centers that underpin the current era of machine learning, as well as for the telecommunications networks that connect billions of users globally. The company also applies its photonics expertise to industrial manufacturing and precision sensing applications.






