Title:
光増幅装置、光増幅装置の制御方法、光受信局及び光伝送システム
Document Type and Number:
Japanese Patent JP5699760
Kind Code:
B2
Abstract:
An optical amplification apparatus includes an optical amplification medium configured to receive a first light signal from an end of the optical amplification medium and a second light signal from the other end of the optical amplification medium in opposite directions, the first and second light signals being branched from a light signal, an excitation light source configured to supply excitation light to the optical amplification medium through a multiplexer, a monitor configured to monitor the first and second light signals input to the optical amplification medium, respectively and to output monitoring signals respectively, and a controller configured to control the excitation light source in accordance with the monitoring signals.
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Inventors:
Yado Minami Nobufumi
Application Number:
JP2011082515A
Publication Date:
April 15, 2015
Filing Date:
April 04, 2011
Export Citation:
Assignee:
富士通株式会社
International Classes:
H01S3/10; H04B10/03; H04B10/032; H04B10/079; H04B10/2507; H04B10/29; H04B10/294; H04B10/54; H04B10/548; H04B10/564
Domestic Patent References:
| JP9005806A | ||||
| JP2001203644A | ||||
| JP2011066142A | ||||
| JP2003207617A | ||||
| JP2009272570A | ||||
| JP10126350A |
Attorney, Agent or Firm:
Yu Sanada
Masahisa Yamamoto
Masahisa Yamamoto