Our optical components and modules serve the telecom, CATV, broadband, and data communications markets. SEDU offers a comprehensive array of transceivers, transmitters, receivers, lasers, photodiodes, and passive components. Not Finding What You're Looking For?Our portfolio features semiconductor lasers designed for optical transceiver modules and board-level integration, as well as wavelength-tunable lasers for optical coherent communication. SEDU also provides a comprehensive line of RF high power wireless. Ultracompact pluggable data link is suited for high-density optical wiring in high-capacity network equipment. Lasers, PIN and APD with TIA designed. Optical Devices | Product Information | SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC. Optical transmission/reception functions are implemented in pluggable modules.