DE69224340D1 - Zweiwegzwischenverstärker mit optischer Verstärkung - Google Patents

Zweiwegzwischenverstärker mit optischer Verstärkung

Info

Publication number
DE69224340D1
DE69224340D1 DE69224340T DE69224340T DE69224340D1 DE 69224340 D1 DE69224340 D1 DE 69224340D1 DE 69224340 T DE69224340 T DE 69224340T DE 69224340 T DE69224340 T DE 69224340T DE 69224340 D1 DE69224340 D1 DE 69224340D1
Authority
DE
Germany
Prior art keywords
optical amplification
way repeater
repeater
way
amplification
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
DE69224340T
Other languages
English (en)
Other versions
DE69224340T2 (de
Inventor
Takashi Shibuya
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 DE69224340D1 publication Critical patent/DE69224340D1/de
Application granted granted Critical
Publication of DE69224340T2 publication Critical patent/DE69224340T2/de
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
    • H04B10/297—Bidirectional amplification
    • H04B10/2972—Each direction being amplified separately
    • 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)
  • Lasers (AREA)
  • Optical Communication System (AREA)
DE69224340T 1991-09-30 1992-09-29 Zweiwegzwischenverstärker mit optischer Verstärkung Expired - Fee Related DE69224340T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25252491 1991-09-30

Publications (2)

Publication Number Publication Date
DE69224340D1 true DE69224340D1 (de) 1998-03-12
DE69224340T2 DE69224340T2 (de) 1998-06-04

Family

ID=17238571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224340T Expired - Fee Related DE69224340T2 (de) 1991-09-30 1992-09-29 Zweiwegzwischenverstärker mit optischer Verstärkung

Country Status (3)

Country Link
US (1) US5652675A (de)
EP (1) EP0535590B1 (de)
DE (1) DE69224340T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69224340T2 (de) * 1991-09-30 1998-06-04 Nec Corp Zweiwegzwischenverstärker mit optischer Verstärkung
IL106766A (en) * 1992-08-28 1995-12-31 Hughes Aircraft Co Two-way sebo-optical amplifier for missile guidance data channel repeater
DE4321166A1 (de) * 1993-06-25 1995-01-05 Basf Ag Verknüpfte Azofarbstoffe
US5404413A (en) * 1993-12-14 1995-04-04 At&T Corp. Optical circulator for dispersion compensation
US5548438A (en) * 1993-12-23 1996-08-20 At&T Corp. Bidirectional optical amplifier
EP0729207A3 (de) * 1995-02-24 1997-10-15 At & T Corp Faseroptischer Verstärker mit optischem Zirkulator
FR2737788B1 (fr) * 1995-08-07 1998-12-04 France Telecom Amplificateur optique bidirectionnel pour systemes optiques a multiplexage en longueur d'onde
FR2737787B1 (fr) * 1995-08-07 1997-10-31 France Telecom Amplificateur optique bidirectionnel pour systemes optiques a multiplexage en longueur d'onde
JP2928149B2 (ja) * 1995-12-14 1999-08-03 日本電気株式会社 光ファイバ増幅装置
KR100194421B1 (ko) * 1996-01-29 1999-06-15 윤종용 광섬유증폭기
FR2744579B1 (fr) * 1996-02-06 1998-02-27 Cit Alcatel Liaison optique bidirectionnelle et dispositif d'amplification pour cette liaison
FR2747868B1 (fr) * 1996-04-18 1998-05-15 Alcatel Submarcom Montage a deux amplificateurs optiques, notamment pour repeteur d'un systeme de telecommunication par voie sous-marine
US5815308A (en) * 1996-05-20 1998-09-29 Northern Telecom Limited Bidirectional optical amplifier
US5812306A (en) * 1996-06-14 1998-09-22 Ciena Corporation Bidirectional WDM optical communication systems with bidirectional optical amplifiers
IT1283373B1 (it) 1996-07-31 1998-04-17 Pirelli Cavi S P A Ora Pirelli Sistema di telecomunicazione ottica multicanale bidirezionale
US6084704A (en) * 1996-11-06 2000-07-04 Corning Incorporated Crosstalk suppression in a multipath optical amplifier
JP2850891B2 (ja) * 1996-12-10 1999-01-27 日本電気株式会社 光フィルタモジュールとこれを用いた光増幅装置
JPH10322286A (ja) * 1997-05-15 1998-12-04 Nec Corp 双方向波長多重伝送装置
KR100433296B1 (ko) * 1997-08-13 2004-07-16 삼성전자주식회사 다채널용 광증폭기의 이득 측정장치
KR100259268B1 (ko) * 1997-09-30 2000-06-15 강병호 일체화된 양방향 통신용 광증폭기의 광써큘레이터 및 파장분할기
JP3019828B2 (ja) * 1997-12-02 2000-03-13 日本電気株式会社 双方向光増幅器
FR2773024A1 (fr) * 1997-12-23 1999-06-25 Philips Electronics Nv Ecreteur selectif
ES2138927B1 (es) * 1998-02-27 2000-09-01 Telefonica Sa Extensor de vano optico bidireccional multicanal.
JP2000150997A (ja) * 1998-11-13 2000-05-30 Nec Corp 光増幅装置とこれを用いた破断点検出機能を備えた光伝送装置および双方向光伝送装置
FR2795247B1 (fr) * 1999-06-21 2001-09-14 Cit Alcatel Amplificateur raman a bandes multiples
JP3487253B2 (ja) * 2000-03-08 2004-01-13 日本電気株式会社 光伝送路監視システム及び光伝送路監視方法
US6459528B1 (en) 2000-05-23 2002-10-01 Avanex Corporation Optical passive components and bi-directional amplifier
KR100342427B1 (ko) * 2000-08-14 2002-07-02 윤덕용 다단 양방향 광증폭기
DE10039950C2 (de) * 2000-08-16 2002-09-05 Siemens Ag Bidirektionaler optischer Verstärker
JP2002135212A (ja) * 2000-10-20 2002-05-10 Fujitsu Ltd 双方向伝送可能な光波長分割多重伝送システム
WO2015058209A1 (en) 2013-10-18 2015-04-23 Tramontane Technologies, Inc. Amplified optical circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972513A (en) * 1987-07-23 1990-11-20 Kokusai Denshin Denwa Kabushiki Kaisha Multi-point optical amplification repeating system
US4867518A (en) * 1988-08-31 1989-09-19 The United States Of America As Represented By The Secretary Of The Navy All-fiber SFPM amplifier
JPH02144527A (ja) * 1988-11-28 1990-06-04 Nippon Telegr & Teleph Corp <Ntt> 双方向光信号一括増幅装置
JPH02281774A (ja) * 1989-04-24 1990-11-19 Nippon Telegr & Teleph Corp <Ntt> 光増幅装置
CA2019253C (en) * 1989-06-23 1994-01-11 Shinya Inagaki Optical fiber amplifier
JPH04217233A (ja) * 1990-12-19 1992-08-07 Nec Corp 多波長光増幅装置
CA2069567C (en) * 1991-05-27 2001-10-30 Kazunori Nakamura Optical amplification apparatus
DE69224340T2 (de) * 1991-09-30 1998-06-04 Nec Corp Zweiwegzwischenverstärker mit optischer Verstärkung

Also Published As

Publication number Publication date
EP0535590A3 (de) 1993-06-02
EP0535590A2 (de) 1993-04-07
DE69224340T2 (de) 1998-06-04
US5652675A (en) 1997-07-29
EP0535590B1 (de) 1998-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee