Lumentum Holdings (LITE)

Its largest business is Optical Communications, which provides components, modules, and subsystems used by network equipment manufacturers, telecom operators, cloud infrastructure providers, and other customers. Lumentum products support a wide range of network architectures, including access, metro, long-haul, and submarine systems. These technologies help carry high-speed data traffic across local, regional, and global networks, making the company tied to demand for bandwidth, cloud computing, streaming, artificial intelligence infrastructure, and 5G-related connectivity.

Lumentum also operates a Commercial Lasers business. These lasers are used in industrial manufacturing, materials processing, inspection, and life-science laboratory applications. The company’s expertise in precise light generation and control gives it exposure to factories, electronics production, medical research, and other technical end markets.

Beyond traditional optical networking, Lumentum participates in emerging photonics applications such as 3D sensing, including laser diode technologies used in consumer electronics and other sensing systems. Its product portfolio spans optical chips, modules, coherent components, and laser-based solutions, positioning the company as a supplier to industries that require high performance, miniaturisation, and reliability. Lumentum stock therefore reflects a business connected to both global data infrastructure and specialised laser technology markets.