NTT Electronics Corporation designs, develops, manufactures, and sells IT-related devices for telecommunications photonics, electronic devices, and system LSI for digital video and other system components. It offers semiconductor laser diodes, DFB lasers for gas sensing products, wavelength conversion lasers, photodiodes, AWG multi/demultiplexers, athermal AWG multi/demultiplexers, PLC mach-zehnder interferometers, laser controllers, and variable optical attenuators. The company also develops and manufactures ICs and modules; and provides solutions for the maintenance of IT networks, including various types of systems support, devices, and software. In addition, it supplies photonic and electronic products, such as wavelength multiplexer circuits, which are used as components in DWDM systems and optical networks. The company was formerly known as NTT Electronics Technology Corp. and changed its name to NTT Electronics Corporation in July 1997. The company was founded in 1982 and is based in Yokohama-shi, Japan with an additional office in Osaka, Japan. It has branches in Machida, Musashino, Atsugi, Yokohama, and Ibaraki, Japan; and a location in the United States. NTT Electronics Corporation operates as a subsidiary of Nippon Telegraph and Telephone Corporation