Abstract: We propose star-coupling based on large-core polymer optical fibers. Mixing rods with tapered and untapered ends are employed to form 1 $MUL 7 and 7 $MUL 7 broadcast and mixing couplers. We found that excess loss and coupling uniformity are mixing length dependent and that of a 15 cm length tapered mixing-rod based 1 $MUL 7 coupler can have a 1.72 dB excess loss and a 1.0 dB uniformity. The average excess loss and uniformity for a constructed 18 cm mixing-rod length 7 $MUL 7 star-coupler are found to be 1.38 dB and 1.92 dB, respectively.!8
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机译：摘要：我们提出了基于大芯聚合物光纤的星形耦合。使用带有锥形和非锥形端的混合杆来形成1个$ MUL 7和7个$ MUL 7广播和混合耦合器。我们发现，过量损耗和耦合均匀性取决于混合长度，而基于15 cm长度的锥形混合杆的1 $ MUL 7耦合器，则可能具有1.72 dB的过量损耗和1.0 dB的均匀性。构造好的18 cm混合杆长度7 $ MUL 7星型耦合器的平均超额损耗和均匀度分别为1.38 dB和1.92dB。8
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