OPTICAL AMPLIFICATION SYSTEM AND OPTICAL AMPLIFICATION METHOD

WIPO Patent Application WO/2017/090598

A1

An optical amplification system that uses a multi-core fiber provided with three or more nodes and having a plurality of cores in at least some of the inter-node-connecting intervals, the optical amplification system being equipped with: an amplification light input unit for inputting light for amplification into the cores of the multi-core fiber; an amplification unit that is provided in a node or between nodes, and by using the light for amplification, amplifies light for communication that is transmitted by the cores of the multi-core fiber; and an amplification light joining unit for joining the light for amplification, which was inputted by the amplification light input unit, to the amplification unit.

ODA TAKUYA (JP)
INUI TETSURO (JP)
HIRANO AKIRA (JP)
IMAJUKU WATARU (JP)
KOBAYASHI SHOUKEI (JP)
TANAKA TAKAFUMI (JP)
MIYAMOTO YUTAKA (JP)
TAKARA HIDEHIKO (JP)

PCT/JP2016/084581

June 01, 2017

November 22, 2016

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NIPPON TELEGRAPH & TELEPHONE (JP)

H04B10/291; G02F1/35; H01S3/067; H01S3/10; H01S3/30

JP2014236210A	2014-12-15
EP2725729A1	2014-04-30
JP2013106272A	2013-05-30
JP2015510253A	2015-04-02
JP2013522914A	2013-06-13

SUZUKI, KENYA ET AL.: "Pump Light Source for Distributed Raman Amplification in MCFs With LD Sharing Circuit", IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 24, no. 21, 27 September 2012 (2012-09-27), pages 1937 - 1940, XP011488487
See also references of EP 3364569A4

SHIGA INTERNATIONAL PATENT OFFICE (JP)

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