Novel multi-core fibers for mode division multiplexing: proposal and design principle

被引:86
作者
Kokubun, Yasuo [1 ]
Koshiba, Masanori [2 ]
机构
[1] Yokohama Natl Univ, Grad Sch Engn, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
[2] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 0600814, Japan
关键词
multi-core fiber; coupled mode; mode division multiplexing;
D O I
10.1587/elex.6.522
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We propose a new type of optical fiber called homogeneous multi-core fiber (MCF) to drastically increase the transmission capacity of single fiber using the mode-division multiplexing. In this MCF, identical cores are closely arranged so that the cores are strongly coupled to each other to form coupled modes, each of which corresponds to a transmission channel. A novel mode multi/demultiplexer is proposed to discriminate each coupled mode. To rearrange cores to match the mode multi/demultiplexer, a hybrid configuration of coupled homogeneous with uncoupled heterogeneous multi-core is proposed. An example of hybrid configuration is designed so that the cross-talk becomes sufficiently small.
引用
收藏
页码:522 / 528
页数:7
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