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WO2008105027A1 - Ｗｄｍ伝送装置 - Google Patents

Ｗｄｍ伝送装置 Download PDF

Info

Publication number
WO2008105027A1
WO2008105027A1 PCT/JP2007/000129 JP2007000129W WO2008105027A1 WO 2008105027 A1 WO2008105027 A1 WO 2008105027A1 JP 2007000129 W JP2007000129 W JP 2007000129W WO 2008105027 A1 WO2008105027 A1 WO 2008105027A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
spectrometer
wdm
level
accordance
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.)
Ceased
Application number
PCT/JP2007/000129
Other languages
English (en)
French (fr)
Inventor
Yoshihiro Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2009501029A priority Critical patent/JP4985762B2/ja
Priority to PCT/JP2007/000129 priority patent/WO2008105027A1/ja
Publication of WO2008105027A1 publication Critical patent/WO2008105027A1/ja
Priority to US12/546,357 priority patent/US8331778B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/027—Control of working procedures of a spectrometer; Failure detection; Bandwidth calculation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/04—Slit arrangements slit adjustment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

　分光器１１は、受信したＷＤＭ光を分光する。ＷＤＭ光により伝送される複数のチャネルの中には、互いにビットレートの異なるチャネルが混在している。受光素子１２は、分光器１１から出力される光の光レベルを検出する。制御部１５は、ＷＤＭ光により伝送される各チャネルの光レベルを測定する。切替え制御部１６は、制御部１５からの指示に従って、分光器１１の分解能を調整する。各チャネルの光レベル情報として、伝送信号のビットレートに応じて決まる分解能で測定された光レベル値が出力される。
PCT/JP2007/000129 2007-02-27 2007-02-27 Ｗｄｍ伝送装置 Ceased WO2008105027A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009501029A JP4985762B2 (ja) 2007-02-27 2007-02-27 Ｗｄｍ伝送装置
PCT/JP2007/000129 WO2008105027A1 (ja) 2007-02-27 2007-02-27 Ｗｄｍ伝送装置
US12/546,357 US8331778B2 (en) 2007-02-27 2009-08-24 WDM transmission apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/000129 WO2008105027A1 (ja) 2007-02-27 2007-02-27 Ｗｄｍ伝送装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/546,357 Continuation US8331778B2 (en) 2007-02-27 2009-08-24 WDM transmission apparatus

Publications (1)

Publication Number Publication Date
WO2008105027A1 true WO2008105027A1 (ja) 2008-09-04

Family

ID=39720878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/000129 Ceased WO2008105027A1 (ja) 2007-02-27 2007-02-27 Ｗｄｍ伝送装置

Country Status (3)

Country Link
US (1) US8331778B2 (ja)
JP (1) JP4985762B2 (ja)
WO (1) WO2008105027A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010154104A (ja) * 2008-12-24 2010-07-08 Fujitsu Ltd Ｗｄｍ伝送装置、光分岐挿入装置およびｗｄｍ伝送方法
JP2011059424A (ja) * 2009-09-10 2011-03-24 Fujitsu Ltd 光伝送装置、光伝送システムおよび光伝送方法
JP2011122888A (ja) * 2009-12-09 2011-06-23 Shimadzu Corp Ｉｃｐ発光分光分析装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9077481B2 (en) 2010-08-24 2015-07-07 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for dynamic wavelength allocation in wavelength switched optical networks
EP2609702B1 (en) * 2010-08-24 2014-04-09 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for dynamic wavelength allocation in wavelength switched optical networks
CN105830366B (zh) * 2013-12-10 2018-12-11 三菱电机株式会社 波分复用传输系统
JP6658511B2 (ja) * 2014-04-24 2020-03-04 日本電気株式会社 光ノード装置、光ネットワーク制御装置、および光ネットワーク制御方法
US9768878B2 (en) * 2015-05-18 2017-09-19 Fujitsu Limited Methods and systems for superchannel power pre-emphasis
CN106559133B (zh) * 2015-09-28 2020-02-14 华为技术有限公司 光信号检测的方法及其网络设备
JP6578962B2 (ja) * 2016-01-25 2019-09-25 富士通株式会社 光伝送装置、光伝送システム、及び光信号の出力制御方法
JP2018007058A (ja) * 2016-07-04 2018-01-11 富士通株式会社 ネットワーク制御装置、光伝送システムおよび障害判定方法
CN111025306A (zh) * 2019-11-15 2020-04-17 浙江浙能天然气运行有限公司 一种基于相位敏感otdr的振动定位方法及系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138026U (ja) * 1981-02-23 1982-08-28
JPH09261205A (ja) * 1996-03-18 1997-10-03 Fujitsu Ltd 波長分割多重が適用されるシステム及び光パワー制御装置
JP2000002588A (ja) * 1998-06-18 2000-01-07 Anritsu Corp 波長選択用受光器及び光スペクトラム分析装置
JP2001103013A (ja) * 1999-09-28 2001-04-13 Fujitsu Ltd 波長間光パワー偏差のモニタ方法、並びに、それを用いた光等化器および光増幅器
JP2001203414A (ja) * 2000-01-18 2001-07-27 Fujitsu Ltd 光信号対雑音比測定方法、並びに、該測定方法を利用した光信号対雑音比測定装置、プリエンファシス方法、光通信システム、測定回路、および、制御装置
JP2002112294A (ja) * 2000-10-04 2002-04-12 Fujitsu Ltd 波長多重光通信システム
JP2003114149A (ja) * 2001-10-05 2003-04-18 Anritsu Corp 光スペクトラムアナライザ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138026A (en) 1981-02-20 1982-08-26 Hitachi Ltd Manufacture for magnetic head
US6115157A (en) * 1997-12-24 2000-09-05 Nortel Networks Corporation Methods for equalizing WDM systems
AU4830699A (en) * 1998-06-23 2000-01-10 Ditech Corporation Optical network monitor
JP4671478B2 (ja) 2000-08-08 2011-04-20 富士通株式会社 波長多重光通信システムおよび波長多重光通信方法
JP3786584B2 (ja) * 2001-04-20 2006-06-14 富士通株式会社 波長多重用光増幅器の特性測定方法および特性測定システム
US7085492B2 (en) * 2001-08-27 2006-08-01 Ibsen Photonics A/S Wavelength division multiplexed device
US7522846B1 (en) * 2003-12-23 2009-04-21 Nortel Networks Limited Transmission power optimization apparatus and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138026U (ja) * 1981-02-23 1982-08-28
JPH09261205A (ja) * 1996-03-18 1997-10-03 Fujitsu Ltd 波長分割多重が適用されるシステム及び光パワー制御装置
JP2000002588A (ja) * 1998-06-18 2000-01-07 Anritsu Corp 波長選択用受光器及び光スペクトラム分析装置
JP2001103013A (ja) * 1999-09-28 2001-04-13 Fujitsu Ltd 波長間光パワー偏差のモニタ方法、並びに、それを用いた光等化器および光増幅器
JP2001203414A (ja) * 2000-01-18 2001-07-27 Fujitsu Ltd 光信号対雑音比測定方法、並びに、該測定方法を利用した光信号対雑音比測定装置、プリエンファシス方法、光通信システム、測定回路、および、制御装置
JP2002112294A (ja) * 2000-10-04 2002-04-12 Fujitsu Ltd 波長多重光通信システム
JP2003114149A (ja) * 2001-10-05 2003-04-18 Anritsu Corp 光スペクトラムアナライザ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010154104A (ja) * 2008-12-24 2010-07-08 Fujitsu Ltd Ｗｄｍ伝送装置、光分岐挿入装置およびｗｄｍ伝送方法
JP2011059424A (ja) * 2009-09-10 2011-03-24 Fujitsu Ltd 光伝送装置、光伝送システムおよび光伝送方法
US8554088B2 (en) 2009-09-10 2013-10-08 Fujitsu Limited Optical transmission apparatus, optical transmission system, and optical transmission method
JP2011122888A (ja) * 2009-12-09 2011-06-23 Shimadzu Corp Ｉｃｐ発光分光分析装置

Also Published As

Publication number Publication date
JP4985762B2 (ja) 2012-07-25
US20090317076A1 (en) 2009-12-24
US8331778B2 (en) 2012-12-11
JPWO2008105027A1 (ja) 2010-06-03

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