Connect the opposite end of the cable into the single end of the fiber optic cable splitter. However, connecting one splitter to another—also known as cascading splitters—can be tricky. If done incorrectly, it may lead to signal degradation, connectivity issues, or even equipment damage. Also known as optical splitters, fiber splitters, or beam splitters, these devices are integrated waveguides ensuring wide bandwidth and minimal loss in high-frequency applications. They. You use optical couplers and splitters to split or join signals in fiber networks. Unlike active devices (which require power), splitters operate without electricity, relying solely on the physics of. Fiber optic splitter is a passive optical device that includes multiple input and output ends.