An article introduces all about optical fiber splitter, including what is PLC splitter, the work principle of optical splitter, plc splitter vs fbt splitter, structure of plc splitter, Key parameters of PLC splitter, Types of PLC splitter, Polarization Maintaining (PM) fiber optic PLC splitter, Fiber Array（FA）, PLC splitter chips & splitting ratios, PLC splitter for FTTX and PON networks, etc.