JP2002050816A5 - - Google Patents

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Publication number
JP2002050816A5
JP2002050816A5 JP2000234687A JP2000234687A JP2002050816A5 JP 2002050816 A5 JP2002050816 A5 JP 2002050816A5 JP 2000234687 A JP2000234687 A JP 2000234687A JP 2000234687 A JP2000234687 A JP 2000234687A JP 2002050816 A5 JP2002050816 A5 JP 2002050816A5
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JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000234687A
Other versions
JP2002050816A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2000234687A priority Critical patent/JP2002050816A/ja
Priority claimed from JP2000234687A external-priority patent/JP2002050816A/ja
Publication of JP2002050816A publication Critical patent/JP2002050816A/ja
Publication of JP2002050816A5 publication Critical patent/JP2002050816A5/ja
Pending legal-status Critical Current

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JP2000234687A 2000-08-02 2000-08-02 光増幅器 Pending JP2002050816A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000234687A JP2002050816A (ja) 2000-08-02 2000-08-02 光増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000234687A JP2002050816A (ja) 2000-08-02 2000-08-02 光増幅器

Publications (2)

Publication Number Publication Date
JP2002050816A JP2002050816A (ja) 2002-02-15
JP2002050816A5 true JP2002050816A5 (ja) 2007-09-06

Family

ID=18727022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000234687A Pending JP2002050816A (ja) 2000-08-02 2000-08-02 光増幅器

Country Status (1)

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JP (1) JP2002050816A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7050669B2 (en) * 2001-04-30 2006-05-23 Trex Enterprises Corp. Optical cross connect switch with axial alignment beam
JP4485355B2 (ja) * 2002-05-30 2010-06-23 富士通株式会社 光信号を分配するシステム及び方法
KR100718998B1 (ko) * 2005-07-13 2007-05-16 엘지전자 주식회사 플라즈마 디스플레이 패널
JP4908079B2 (ja) * 2006-06-23 2012-04-04 株式会社日立製作所 光伝送装置および光分岐挿入装置
JP4948085B2 (ja) * 2006-08-22 2012-06-06 古河電気工業株式会社 光増幅器
JP5190132B2 (ja) * 2011-05-20 2013-04-24 株式会社日立製作所 光伝送装置
JP5460685B2 (ja) * 2011-12-13 2014-04-02 古河電気工業株式会社 光増幅器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3137632B2 (ja) * 1989-08-31 2001-02-26 富士通株式会社 光ファイバ増幅器を備えた光通信方式
JPH03123323A (ja) * 1989-10-06 1991-05-27 Furukawa Electric Co Ltd:The ファイバカップラー
JPH03212984A (ja) * 1990-01-17 1991-09-18 Mitsubishi Electric Corp ファイバ形光増幅器
JPH03252628A (ja) * 1990-03-02 1991-11-11 Fujitsu Ltd 光分岐装置
JPH05235902A (ja) * 1992-02-19 1993-09-10 Nec Corp 光波長分割多重方式の受信装置
JP2536400B2 (ja) * 1993-06-11 1996-09-18 日本電気株式会社 光増幅中継器
JP2778438B2 (ja) * 1993-12-27 1998-07-23 日本電気株式会社 光増幅装置と光増幅器設計方法と光中継伝送システム
JP3556379B2 (ja) * 1996-03-07 2004-08-18 富士通株式会社 光伝送システム
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
JPH1187812A (ja) * 1997-09-12 1999-03-30 Fujitsu Ltd 利得等化器及び該利得等化器を備えた光伝送システム
JP2000151515A (ja) * 1998-03-19 2000-05-30 Fujitsu Ltd カスケ―ド接続された光増幅器の利得及び信号レベルの調節

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