Lumentum Holdings Inc. manufactures and sells optical and photonic products in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company operates through two segments: Cloud & Networking and Industrial Tech. The Cloud & Networking segment offers components, modules, and subsystems to support the high-speed transmission of data over high-capacity fiber optic links in cloud data center, AI/ML, enterprise and communications services networking applications that enable the transmission and transport of data, video, and audio over high-capacity fiber-optic cables. It offers high-speed transceivers, reconfigurable optical add/drop multiplexers, coherent dense wavelength division multiplexing pluggable transceivers, and tunable small form-factor pluggable transceivers. We also sell laser chips for use in high-speed datacom transceivers and data interconnection solutions. The Industrial Tech segment offers solid-state lasers, kilowatt-class fiber lasers, ultrafast lasers, diode lasers, and gas lasers, as well as laser diode products. It serves to customers in semiconductor device, solar cell, display, electric vehicle, and battery manufacturing markets, as well as broader materials processing and precision micromachining end-markets. Lumentum Holdings Inc. was incorporated in 2015 and is headquartered in San Jose, California.