AXT designs, develops, manufactures, and distributes compound and single element semiconductor substrates. The company provides indium phosphide for use in data center connectivity using light/lasers, high-speed data transfer in data centers, 5G communications, fiber optic lasers and detectors, consumer devices, passive optical networks, silicon photonics, photonic integrated circuits, thermo-photovoltaics, RF amplifier and switching, infrared light-emitting diode (LEDS) motion control, lidar for robotics and autonomous vehicles, and infrared thermal imaging, as well as semi-insulating gallium arsenide (GaAs) substrates for use in Wi-Fi and IoT devices, transistors, direct broadcast television, power amplifiers, satellite communications, and solar cells; and semi-conducting GaAs substrates that are used in LEDs, screen displays using micro-LEDs, printer head lasers and LEDs, 3-D sensing using VCSELs, data center communication using VCSELs, sensors for industrial robotics/near-infrared sensors, laser machining, cutting and drilling, optical couplers, solar cells, night vision goggles, lidar for robotics and autonomous vehicles, and lasers.
Additionally, it provides germanium substrates for use in multi-junction solar cells for satellites, optical sensors and detectors, terrestrial concentrated photo voltaic cells, infrared detectors, and carrier wafer for LED
6N+ and 7N+ purified gallium, boron trioxide, gallium-magnesium alloy, pyrolytic boron nitride (pBN) crucibles, and pBN insulating parts. It sells its products through direct salesforce globally. Incorporated in 1986 and headquartered in Fremont, California, AXT was formerly known as American Xtal Technology, Inc. before rebranding in July 2000.