supported by the National Natural Science Foundation of China(Nos.61671227 and 61431009);the Shandong Provincial Natural Science Foundation(No.ZR2011FM015);the Taishan Scholar Research Fund of Shandong Province
A graded-index mode division multiplexer with low loss and low crosstalk is proposed. The transmission channel adopts a pure silica core with large effective area to achieve low attenuation, which effectively reduces ...