JP2008005302A5 - - Google Patents

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Publication number
JP2008005302A5
JP2008005302A5 JP2006173915A JP2006173915A JP2008005302A5 JP 2008005302 A5 JP2008005302 A5 JP 2008005302A5 JP 2006173915 A JP2006173915 A JP 2006173915A JP 2006173915 A JP2006173915 A JP 2006173915A JP 2008005302 A5 JP2008005302 A5 JP 2008005302A5
Authority
JP
Japan
Prior art keywords
optical
unit
reflected light
level control
amplifier
Prior art date
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.)
Granted
Application number
JP2006173915A
Other languages
English (en)
Japanese (ja)
Other versions
JP4908079B2 (ja
JP2008005302A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2006173915A priority Critical patent/JP4908079B2/ja
Priority claimed from JP2006173915A external-priority patent/JP4908079B2/ja
Priority to US11/752,331 priority patent/US7697845B2/en
Publication of JP2008005302A publication Critical patent/JP2008005302A/ja
Publication of JP2008005302A5 publication Critical patent/JP2008005302A5/ja
Priority to US12/724,881 priority patent/US7953321B2/en
Application granted granted Critical
Publication of JP4908079B2 publication Critical patent/JP4908079B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2006173915A 2006-06-23 2006-06-23 光伝送装置および光分岐挿入装置 Expired - Fee Related JP4908079B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006173915A JP4908079B2 (ja) 2006-06-23 2006-06-23 光伝送装置および光分岐挿入装置
US11/752,331 US7697845B2 (en) 2006-06-23 2007-05-23 Optical transmission equipment and optical add-drop multiplexer
US12/724,881 US7953321B2 (en) 2006-06-23 2010-03-16 Optical transmission equipment and optical add-drop multiplexer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006173915A JP4908079B2 (ja) 2006-06-23 2006-06-23 光伝送装置および光分岐挿入装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011112995A Division JP5190132B2 (ja) 2011-05-20 2011-05-20 光伝送装置

Publications (3)

Publication Number Publication Date
JP2008005302A JP2008005302A (ja) 2008-01-10
JP2008005302A5 true JP2008005302A5 (enExample) 2009-04-09
JP4908079B2 JP4908079B2 (ja) 2012-04-04

Family

ID=38873675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006173915A Expired - Fee Related JP4908079B2 (ja) 2006-06-23 2006-06-23 光伝送装置および光分岐挿入装置

Country Status (2)

Country Link
US (2) US7697845B2 (enExample)
JP (1) JP4908079B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7634196B2 (en) * 2004-10-06 2009-12-15 Cisco Technology, Inc. Optical add/drop multiplexer with reconfigurable add wavelength selective switch
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
US20100027998A1 (en) * 2008-07-31 2010-02-04 Nortel Networks Limited Optical roundabout switch
US20100061726A1 (en) * 2008-09-09 2010-03-11 Giovanni Barbarossa Dynamically Reconfiguring An Optical Network Using An Ethernet Switch
EP2587693A4 (en) * 2010-06-24 2017-05-31 Mitsubishi Electric Corporation Optical add-drop multiplexer (oadm) device
EP2464035B1 (en) * 2010-12-13 2017-10-04 ADVA Optical Networking SE A method and device for monitoring a detachable fiber-optic connection, especially in a fiber-optic transmission device or system
CN108055419A (zh) * 2012-12-20 2018-05-18 三菱电机株式会社 导光体及图像读取装置
JP6468607B2 (ja) * 2016-07-08 2019-02-13 日本電信電話株式会社 光演算器
US10031287B1 (en) 2017-02-02 2018-07-24 International Business Machines Corporation Waveguide architecture for photonic neural component with multiplexed optical signals on inter-node waveguides
US10107959B2 (en) 2017-02-02 2018-10-23 International Business Machines Corporation Waveguide architecture for photonic neural component
CN107121998B (zh) * 2017-04-18 2019-03-01 深圳市联赢激光股份有限公司 一种安全控制系统及激光设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3187071B2 (ja) * 1991-04-24 2001-07-11 富士通株式会社 光増幅器の高光出力保護回路
JP3128287B2 (ja) * 1991-09-25 2001-01-29 富士通株式会社 出力端開放検出回路付光増幅器
JPH08265257A (ja) * 1995-03-20 1996-10-11 Fujitsu Ltd 光伝送システム
JPH09200130A (ja) 1996-01-24 1997-07-31 Sumitomo Electric Ind Ltd コネクタ外れ検出回路付き光増幅器及び光増幅方法
JP2001144687A (ja) 1999-11-11 2001-05-25 Matsushita Electric Ind Co Ltd 光出力制御回路
JP2001358392A (ja) * 2000-06-13 2001-12-26 Oki Electric Ind Co Ltd 安全光移行制御方法および光ファイバ増幅器
JP2002050816A (ja) * 2000-08-02 2002-02-15 Fujitsu Ltd 光増幅器
JP3641438B2 (ja) * 2001-05-08 2005-04-20 日本電気通信システム株式会社 光通信装置
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

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