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Title:
マルチコア光ファイバ、光ケーブル、及び光コネクタ
Document Type and Number:
Japanese Patent JP6658506
Kind Code:
B2
Abstract:
An optical connector comprising a resin ferrule and four or more multicore optical fibers arrayed on a straight line in the ferrule. Each of the multicore optical fibers has a common cladding with a diameter of 124 to 126 um, and two or more cores. In each of the multicore optical fibers, an outmost core is arranged so that a distance between a core center of the outmost core out of the two or more cores and a center of a cross section of the common cladding is not more than 45 um. Projection amounts of end faces of the respective multicore optical fibers from an end face of the ferrule are not less than 2 um, and a variation of the projection amounts among the multicore optical fibers is not more than 0.3 um. The projection amounts of the multicore optical fibers located at two ends of the ferrule are smaller than those of the remaining multicore optical fibers. The end faces projecting from the end face of the ferrule are polished.

Inventors:
Tetsuya Hayashi
Osamu Shimakawa
Application Number:
JP2016506702A
Publication Date:
March 04, 2020
Filing Date:
October 16, 2015
Export Citation:
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Assignee:
Sumitomo Electric Industries, Ltd.
International Classes:
G02B6/02; G02B6/024; G02B6/036; G02B6/36; G02B6/40; G02B6/44
Domestic Patent References:
JP59164505A
JP2013137430A
JP2013522680A
Foreign References:
WO2013129234A1
WO2014087974A1
Other References:
K. Takenaga, et al.,Reduction of Crosstalk by Trench-Assisted Multi-Core Fiber,OSA/OFC/NFOEC,米国,Optical Society of America,2011年 3月 6日,OWJ4
奥山和洋、齊藤晋聖、小柴正則、竹永勝宏、松尾昌一郎,円環状配置マルチコアファイバのクロストークとコア多重度の関係,2012年電子情報通信学会通信ソサイエティ大会講演論文集2,日本,一般社団法人電子情報通信学会,2012年 8月28日,pp. 184
奥山和洋、齊藤晋聖、小柴正則、竹永勝宏、松尾昌一郎,円環状配置マルチコアファイバによるコア数拡大の検討,2012年電子情報通信学会総合大会講演論文集,日本,社団法人電子情報通信学会,2012年 3月 6日,通信2,pp. 547
竹永 勝宏他,トレンチ型マルチコアファイバの特性,電子情報通信学会技術研究報告. OCS, 光通信システム,日本,電子情報通信学会,2011年 8月18日,111/181,7-10
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
High Kunio Ki
Shotaro Terasawa