Matsuo Shoichiro, Sasaki Yusuke, Akamatsu Tsuyoshi, Ishida Itaru, Takenaga Katsuhiro, Okuyama Kazuhiro, Saitoh Kunimasa, Kosihba Masanori
Optics and Electronics Laboratory, Fujikura Ltd. 1440, Mutsuzaki, Sakura, Chiba, 285-8550 Japan.
Opt Express. 2012 Dec 17;20(27):28398-408. doi: 10.1364/OE.20.028398.
The feature of a multicore fiber with one-ring structure is theoretically analyzed and experimentally demonstrated. The one-ring structure overcomes the issues of the hexagonal close-pack structure. The possibility of 10-core fiber with Aeff of 110 μm(2) and 12-core fiber with Aeff of 80 μm(2) is theoretically presented. The fabricated 12-core fibers based on the simulation results realized Aeff of 80 μm(2) and crosstalk less than -40 dB at 1550 nm after 100-km propagation. The MCF with the number of core larger than seven and the small crosstalk was demonstrated for the first time.
对具有单环结构的多芯光纤特性进行了理论分析和实验验证。单环结构克服了六角密排结构的问题。从理论上给出了有效面积为110μm²的10芯光纤和有效面积为80μm²的12芯光纤的可能性。基于模拟结果制造的12芯光纤在100公里传输后，在1550nm处实现了80μm²的有效面积和小于-40dB的串扰。首次展示了芯数大于7且串扰小的多芯光纤。
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