The EDFA and Raman Amplifiers are typically constructed by connecting specialty fibers (e.g. Er-doped fiber) and transmission fibers with other (passive/active) components for operation. Rayzer provides a complete suite of fuse-based couplers and pump combiners, both Thin-Film-Filter (TFF) and Fused Bionical Tapered (FBT) based wideband WDMs, Gain-Flattening Filter (GFF) based, crystal based optical isolators and integrated/hybrid products. We leads the trend of miniaturization and integration with new mini series products for the next generation optical amplifier. Our advantages include excellent performance specifications, one stop-complete design OEM and ODM capabilities, and low-cost vertical integration solutions for the optical gain block, controlled amplifier modules, systems and subsystem.