An optical splitter is a crucial passive fiber optic device that splits and combines optical signals. By dividing a single optical signal from a central Optical Line Terminal (OLT) into multiple outputs for Optical Network. These unassuming devices enable a single optical signal to be divided into multiple paths, making them indispensable for sharing network resources efficiently—from residential FTTH (Fiber-to-the-Home) connections to large-scale telecom backbones. Whether you are designing a GPON network, planning an Optical Distribution Network (ODN), or selecting components for a new FTTx deployment, understanding optical splitters is essential.