Optical splitter is used to split the fiber optic light into several parts at a certain ratio. Fiber optic splitters are important passive components used in FTTX networks. But two kinds of fiber optic splitters/couplers are popular used, one is the traditional fused type optical splitter (FBT coupler), which features competitive prices; the other is PLC splitter, which is compact size and suit for density applications. Both of them have its advantages to suit for different requirement.
Fiber optic splitter can be terminated with different kinds of connectors, the main package could be box type or stainless tube type, one is usually used with 2mm or 3mm outer diameter cable, the other is usually used with 0.9mm outer diameter cables.

In Fiber to the Home (FTTH) networks, Gigabit Ethernet pon splitter play an important role by allowing a single PON network interface to be shared among many subscribers.

There are two basic technologies for building passive network optical splitters: Fused Biconical Taper (FBT) and Planar Lightwave Circuit (PLC). Fused Biconical Taper is the older technology and generally introduces more loss than the newer PLC splitters, though both PLC and FBT splitters are used in PON networks.

Splitters are installed in each optical network between the PON Optical Line Termination (OLT) and the Optical Network Unit(ONU) that the OLT serves. Networks implementing BPON, GPON, EPON, 10G EPON, and 10G GPON technologies all use these simple optical splitters. In place of an optical splitter, a WDM PON network will use an Arrayed WaveGuide (AWG).

PLC splitters are used to distribute or combine optical signals, which are based on planar lightwave circuit technology and provides a low cost light distribution solution with small form factor and high reliability.

The PLC Splitter contains no electronics and uses no power. They are the network elements that put the passive in Passive Optical Network and are available in a variety of split ratios, including 1:4, 1:8, and 1:16, 1:32, 1:64 and 1:128 etc.

A Fused Biconical Taper (FBT) splitter is made by wrapping two fiber cores together, putting tension on the optical fibers, and then heating the junction until the two fibers are tapered from the tension and fused together. FBT attenuation tends to be a bit higher than attenuation from PLC splitters.

To meet different needs, they are available in the forms of PLC Splitter Plastic ABS box module, 19’’ rack mountable box, and standard LGX box, come with Fan-out kits and connectors or not. All products meet Telcordia 1209 and 1221 reliability requirements and are certified by TLC for network deployment.

Fiber optic splitter

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