Views: 659 Author: Fibertel Publish Time: 2025-06-09 Origin: Fibertel
The PLC (Planar Lightwave Circuit ) splitters are essential passive optical components used in fiber optic networks to divide a single optical signal into multiple outputs. They play a crucial role in Passive Optical Networks (PON), Fiber-to-the-Home (FTTH), and other optical communication systems. PLC splitters are categorized into Balanced PLC Splitters and Unbalanced PLC Splitters, based on the signal distribution ratio among the output ports.
Balanced PLC Splitter
A Balanced PLC Splitter evenly distributes optical signals among all output ports, ensuring equal power levels across each output. For example, a 1×4 balanced PLC splitter will divide the input signal into four equal parts, with each output receiving 25% of the total power. These splitters are widely used in optical networks requiring uniform signal distribution, such as FTTH, GPON, and EPON systems.
Unbalanced PLC Splitter
An Unbalanced PLC Splitter divides optical signals unevenly among its output ports, providing different power levels based on network requirements. For example, a 1×9 unbalanced PLC splitter may allocate 70% of the power to one output and 30% to the others, making it suitable for applications where different power levels are needed for specific network branches, such as long-distance signal transmission or multi-stage splitting in optical distribution networks.
Both Balanced and Unbalanced PLC Splitters enhance network flexibility and efficiency, allowing for optimized signal distribution based on specific deployment needs
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