The commonly seen Fiber Optic Splitters include PLC Fiber Optic Splitter and FBT Splitter. This principle allows a single input light beam to be split. A fiber optic splitter is a passive optical component that divides a single incoming optical signal into two or more outgoing signals, or combines multiple incoming signals into one. Unlike active devices (which require power), splitters operate without electricity, relying solely on the physics of. Understanding Fiber Optic Splitters: Principles, Parameters, Types, Applications, and Future Trends 1. This type of device plays an important role in passive.