FR2758392B1 - Appareil de controle pour amplificateur a fibre optique - Google Patents

Appareil de controle pour amplificateur a fibre optique

Info

Publication number
FR2758392B1
FR2758392B1 FR9800359A FR9800359A FR2758392B1 FR 2758392 B1 FR2758392 B1 FR 2758392B1 FR 9800359 A FR9800359 A FR 9800359A FR 9800359 A FR9800359 A FR 9800359A FR 2758392 B1 FR2758392 B1 FR 2758392B1
Authority
FR
France
Prior art keywords
optical fiber
monitoring apparatus
fiber amplifier
amplifier
monitoring
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.)
Expired - Fee Related
Application number
FR9800359A
Other languages
English (en)
Other versions
FR2758392A1 (fr
Inventor
Kosuke Fukaishi
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of FR2758392A1 publication Critical patent/FR2758392A1/fr
Application granted granted Critical
Publication of FR2758392B1 publication Critical patent/FR2758392B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • 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
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2537—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
FR9800359A 1997-01-16 1998-01-15 Appareil de controle pour amplificateur a fibre optique Expired - Fee Related FR2758392B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9017807A JP3000948B2 (ja) 1997-01-16 1997-01-16 光増幅器

Publications (2)

Publication Number Publication Date
FR2758392A1 FR2758392A1 (fr) 1998-07-17
FR2758392B1 true FR2758392B1 (fr) 2000-07-13

Family

ID=11954012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9800359A Expired - Fee Related FR2758392B1 (fr) 1997-01-16 1998-01-15 Appareil de controle pour amplificateur a fibre optique

Country Status (4)

Country Link
US (1) US5963362A (fr)
JP (1) JP3000948B2 (fr)
FR (1) FR2758392B1 (fr)
IT (1) IT1298138B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3161535B2 (ja) 1998-09-16 2001-04-25 セイコーエプソン株式会社 インクジェット式記録装置
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
JP3904835B2 (ja) * 2001-01-29 2007-04-11 株式会社日立製作所 光増幅器、光ファイバラマン光増幅器、及び光システム
JP4101024B2 (ja) * 2002-11-06 2008-06-11 富士通株式会社 ロスポイント有無判定方法及びそれを用いた分布型ラマン増幅装置
US7430571B2 (en) * 2004-04-30 2008-09-30 Network Appliance, Inc. Extension of write anywhere file layout write allocation
US8077314B2 (en) * 2007-10-15 2011-12-13 Schlumberger Technology Corporation Measuring a characteristic of a multimode optical fiber
JP5012496B2 (ja) * 2007-12-26 2012-08-29 富士通株式会社 光伝送装置および光伝送方法
JP5267119B2 (ja) 2008-12-26 2013-08-21 富士通株式会社 光受信装置および波長多重伝送システム
JP5423170B2 (ja) 2009-06-18 2014-02-19 富士通株式会社 光伝送装置
EP2560252B1 (fr) * 2010-04-12 2015-05-20 Mitsubishi Electric Corporation Amplificateur optique
CN102967371B (zh) * 2012-11-30 2015-04-22 哈尔滨理工大学 泵浦-探测法非扫描式测量布里渊增益谱的装置及方法
CN105372042A (zh) * 2015-12-16 2016-03-02 北方夜视技术股份有限公司 光学滤光片高精度透过率测试装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131024A (en) * 1981-02-06 1982-08-13 Nec Corp Measuring device for laser energy
JPS60263866A (ja) * 1984-06-12 1985-12-27 Hitachi Cable Ltd 光電界センサ
US5500756A (en) * 1992-02-28 1996-03-19 Hitachi, Ltd. Optical fiber transmission system and supervision method of the same
DE4215338A1 (de) * 1992-05-09 1993-11-11 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit Überwachungsvorrichtung zur Vermeidung von Riesenimpulsen
DE4222208A1 (de) * 1992-07-07 1994-01-13 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischem Filter zum Schutz vor Riesenimpulsen
JPH0650841A (ja) * 1992-08-04 1994-02-25 Matsushita Commun Ind Co Ltd 光ファイバ線路破断検出方法およびその装置
JP3012760B2 (ja) * 1993-10-25 2000-02-28 三菱電機株式会社 光増幅器及び分配システム及びローカル・エリア・ネットワーク及び利得制御方法
JP3203611B2 (ja) * 1994-02-14 2001-08-27 日本電信電話株式会社 雑音指数測定方法および装置
JP3250206B2 (ja) * 1994-02-14 2002-01-28 住友電気工業株式会社 光ファイバ増幅器
JPH0837497A (ja) * 1994-05-20 1996-02-06 Fujitsu Ltd 光増幅器及び光送信装置
JPH0854511A (ja) * 1994-08-12 1996-02-27 Showa Electric Wire & Cable Co Ltd 光増幅器
EP0723170A3 (fr) * 1995-01-19 1997-04-23 Sumitomo Electric Industries Module composite optique et méthode d'assemblage
JP2800715B2 (ja) * 1995-05-12 1998-09-21 日本電気株式会社 光ファイバ増幅器
JPH09211508A (ja) * 1996-01-31 1997-08-15 Hitachi Cable Ltd インコヒーレント光源及びこれを用いた光送信器

Also Published As

Publication number Publication date
ITMI980068A1 (it) 1999-07-15
US5963362A (en) 1999-10-05
IT1298138B1 (it) 1999-12-20
JP3000948B2 (ja) 2000-01-17
JPH10209543A (ja) 1998-08-07
FR2758392A1 (fr) 1998-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse