Lumentum Holdings Inc. is a technology company specializing in the design, manufacture, and sale of optical and photonic products. Its primary function is to supply essential components, modules, and ... Lumentum Holdings Inc. is a technology company specializing in the design, manufacture, and sale of optical and photonic products. Its primary function is to supply essential components, modules, and subsystems that enable high-speed data transmission over fiber optic networks, serving industries such as cloud data centers, artificial intelligence and machine learning infrastructure, telecommunications, and enterprise networking. Within its Cloud & Networking segment, the company produces a range of optical products—such as high-speed transceivers and sophisticated wavelength division multiplexing devices—that are crucial for expanding and upgrading global communications infrastructure. Lumentum’s Industrial Tech segment delivers high-performance lasers and diode technologies used extensively in precision manufacturing sectors, including semiconductor, solar cell, display, and electric vehicle production. The company is also recognized as a pioneer in 3D sensing technologies, with its diode lasers deployed in mobile devices and advanced automotive applications such as driver monitoring and autonomous systems. Founded in 2015 and headquartered in San Jose, California, Lumentum Holdings Inc. plays a strategic role in advancing the capabilities of global communications and industrial manufacturing through innovation in photonics and laser technologies.