The optical amplifier is a major enabler in the development of worldwide fiber-optic communication networks. Erbium-Doped Fiber Amplifier (EDFA) is the key optical amplification technique. O-Net provides a broad range of EDFA products from standard small form factor gain blocks for the metro arena, through to the latest generation of standard and full-custom transient controlled, multi-stage amplifiers servicing the most challenging long haul applications. As one of the earliest and largest professional EDFA manufacturers in China, O-Net is committed to a cost optimized, high performance and quality solution for diversified customer needs.