JPS56165437A - Optical repeating system for optical communication - Google Patents

Optical repeating system for optical communication

Info

Publication number
JPS56165437A
JPS56165437A JP6882780A JP6882780A JPS56165437A JP S56165437 A JPS56165437 A JP S56165437A JP 6882780 A JP6882780 A JP 6882780A JP 6882780 A JP6882780 A JP 6882780A JP S56165437 A JPS56165437 A JP S56165437A
Authority
JP
Japan
Prior art keywords
optical
light
optical fiber
repeater
signal
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
JP6882780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6258558B2 (cg-RX-API-DMAC7.html
Inventor
Kiyobumi Mochizuki
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP6882780A priority Critical patent/JPS56165437A/ja
Priority to US06/260,463 priority patent/US4401364A/en
Priority to GB8114457A priority patent/GB2077909B/en
Publication of JPS56165437A publication Critical patent/JPS56165437A/ja
Publication of JPS6258558B2 publication Critical patent/JPS6258558B2/ja
Granted 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
    • H04B10/2912—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
    • H04B10/2916—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 using Raman or Brillouin amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
JP6882780A 1980-05-26 1980-05-26 Optical repeating system for optical communication Granted JPS56165437A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6882780A JPS56165437A (en) 1980-05-26 1980-05-26 Optical repeating system for optical communication
US06/260,463 US4401364A (en) 1980-05-26 1981-05-04 Optical repeater system for optical communication
GB8114457A GB2077909B (en) 1980-05-26 1981-05-12 Optical repeater system for optical communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6882780A JPS56165437A (en) 1980-05-26 1980-05-26 Optical repeating system for optical communication

Publications (2)

Publication Number Publication Date
JPS56165437A true JPS56165437A (en) 1981-12-19
JPS6258558B2 JPS6258558B2 (cg-RX-API-DMAC7.html) 1987-12-07

Family

ID=13384921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6882780A Granted JPS56165437A (en) 1980-05-26 1980-05-26 Optical repeating system for optical communication

Country Status (3)

Country Link
US (1) US4401364A (cg-RX-API-DMAC7.html)
JP (1) JPS56165437A (cg-RX-API-DMAC7.html)
GB (1) GB2077909B (cg-RX-API-DMAC7.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853243A (ja) * 1981-09-25 1983-03-29 Nippon Telegr & Teleph Corp <Ntt> 光伝送方式
JPS59126696A (ja) * 1983-01-10 1984-07-21 Nec Corp 光通信用光増幅装置
JPS60236277A (ja) * 1983-09-28 1985-11-25 ポラロイド　コ−ポレ−シヨン 光フアイバ通信装置
JPS6114624A (ja) * 1984-06-29 1986-01-22 Nippon Telegr & Teleph Corp <Ntt> 光フアイバによる光増幅装置
JPS63291488A (ja) * 1987-05-25 1988-11-29 Nippon Telegr & Teleph Corp <Ntt> 光ファイバレ−ザ装置
US5299048A (en) * 1989-08-31 1994-03-29 Fujitsu Limited Optical amplifier and optical communication system provided with the optical amplifier

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2116391B (en) * 1982-02-25 1985-08-14 Western Electric Co Single-mode optical fibre telecommunication apparatus
GB2151868B (en) * 1983-12-16 1986-12-17 Standard Telephones Cables Ltd Optical amplifiers
US4784450A (en) * 1984-10-15 1988-11-15 Hughes Aircraft Company Apparatus for generating and amplifying new wavelengths of optical radiation
DE3577236D1 (de) * 1984-12-13 1990-05-23 Stc Plc Optischer verstaerker.
US4708421A (en) * 1985-02-08 1987-11-24 The Board Of Trustees Of The Leland Stanford Junior University In-line fiber optic memory
US4794598A (en) * 1986-07-18 1988-12-27 The Board Of Trustees Of The Leland Stanford Junior University Synchronously pumped ring fiber Raman laser
US4738503A (en) * 1985-02-08 1988-04-19 The Board Of Trustees Of The Leland Stanford Junion University In-line fiber optic memory
US4815804A (en) * 1985-02-08 1989-03-28 The Board Of Trustees Of The Leland Stanford Junior University In-line fiber optic memory and method of using same
JPH0833564B2 (ja) * 1985-05-09 1996-03-29 ブリティシュ・テレコミュニケ−ションズ・パブリック・リミテッド・カンパニ 光ホモダイン検波方法および装置
US4699452A (en) * 1985-10-28 1987-10-13 American Telephone And Telegraph Company, At&T Bell Laboratories Optical communications system comprising Raman amplification means
US4790619A (en) * 1986-04-25 1988-12-13 American Telephone And Telegraph Company, At&T Bell Laboratories Apparatus comprising Raman-active optical fiber
USH499H (en) 1986-09-02 1988-07-05 The United States Of America As Represented By The United States Department Of Energy System and method for linearly amplifying optical analog signals by backward Raman scattering
JPH0727149B2 (ja) * 1986-11-04 1995-03-29 沖電気工業株式会社 光結合器
US4786140A (en) * 1987-10-30 1988-11-22 Gte Laboratories Incorporated Method of modulating large-power light beams using fiber raman amplification
US4820018A (en) * 1987-10-30 1989-04-11 Gte Laboratories Incorporated Optical fiber for light amplification
US5229876A (en) * 1990-03-26 1993-07-20 At&T Bell Laboratories Telemetry for optical fiber amplifier repeater
US5208699A (en) * 1991-12-20 1993-05-04 Hughes Aircraft Company Compensated, SBS-free optical beam amplification and delivery apparatus and method
US6344922B1 (en) 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
US6839522B2 (en) 1998-07-21 2005-01-04 Corvis Corporation Optical signal varying devices, systems and methods
US6115174A (en) * 1998-07-21 2000-09-05 Corvis Corporation Optical signal varying devices
EP2315073B1 (en) * 1998-07-23 2014-12-31 The Furukawa Electric Co., Ltd. Raman amplifier and Raman amplification method
US6356383B1 (en) 1999-04-02 2002-03-12 Corvis Corporation Optical transmission systems including optical amplifiers apparatuses and methods
US6587261B1 (en) * 1999-05-24 2003-07-01 Corvis Corporation Optical transmission systems including optical amplifiers and methods of use therein
CA2339115A1 (en) 1999-05-31 2000-12-07 The Furukawa Electric Co., Ltd. Raman amplification system and optical signal transmission method using the same
FR2800219B1 (fr) * 1999-10-22 2006-06-30 Algety Telecom Procede d'ajustement de puissance pour un systeme de transmission optique a multiplexage en longueur d'onde
FR2800218B1 (fr) * 1999-10-22 2002-01-11 Algety Telecom Systeme de transmission par fibre optique utilisant des impulsions rz
CA2366471A1 (en) * 2000-01-14 2001-07-19 The Furukawa Electric Co., Ltd Raman amplifier
US6782209B2 (en) 2000-03-03 2004-08-24 Corvis Corporation Optical transmission systems including optical amplifiers and methods
US6344925B1 (en) 2000-03-03 2002-02-05 Corvis Corporation Optical systems and methods and optical amplifiers for use therein
EP1312975A1 (en) * 2000-08-25 2003-05-21 Fujitsu Limited Optical communication system, method of providing excitation light, and distributed raman amplifier
JP4821037B2 (ja) 2000-08-25 2011-11-24 富士通株式会社 ラマン増幅を用いた光増幅器およびラマン励起光源
DE60031141T2 (de) 2000-08-30 2007-08-16 Fujitsu Ltd., Kawasaki Lichtverstärker unter verwendung der ramanverstärkung und zugehöriges steuerungsverfahren
JP2002076482A (ja) 2000-08-31 2002-03-15 Fujitsu Ltd 光増幅器，光増幅方法及び光増幅システム
WO2002019572A1 (en) * 2000-08-31 2002-03-07 Fujitsu Limited Method for starting up optical communication system, method for extending/reducing channels, and computer readable recorded medium
EP1229382B1 (en) 2000-09-07 2010-03-24 Fujitsu Limited Optical amplifier using raman amplification
EP1229675A3 (en) * 2001-02-02 2004-09-22 The Furukawa Electric Co., Ltd. Pump light source for raman amplifier and raman amplifier using the same
JP3768110B2 (ja) 2001-02-22 2006-04-19 富士通株式会社 光増幅器
US6433922B1 (en) 2001-02-26 2002-08-13 Redc Optical Networks Ltd. Apparatus and method for a self adjusting Raman amplifier
JP4647807B2 (ja) 2001-03-06 2011-03-09 富士通株式会社 通信システム
US6618195B2 (en) * 2001-04-20 2003-09-09 Dorsal Networks Inc. Pump assembly employing coupled radiation sources for multiple fibers
US6687047B2 (en) 2001-05-29 2004-02-03 Dorsal Networks, Inc. Shared forward pumping in optical communications network
US6614586B2 (en) 2001-07-30 2003-09-02 Dorsal Networks, Inc. Methods and systems for high performance, wide bandwidth optical communication systems using Raman amplification
JP4467213B2 (ja) * 2001-08-14 2010-05-26 富士通株式会社 光伝送システム
US6671429B2 (en) 2001-10-03 2003-12-30 Dorsal Networks, Inc. Balanced coupler for radiation sources
US6798801B2 (en) 2001-10-03 2004-09-28 Dorsal Networks, Inc. Pump laser current driver
US7120362B2 (en) * 2001-10-03 2006-10-10 Bo Pedersen High power repeaters for Raman amplified, wave division multiplexed optical communication systems
US7196838B2 (en) * 2001-10-03 2007-03-27 Dorsal Networks, Inc. High density optical packaging
EP1330056A1 (en) * 2002-01-16 2003-07-23 Lucent Technologies Inc. Method and contrivance for applying Raman amplification in an optical device
US20040066550A1 (en) * 2002-10-02 2004-04-08 Jay Paul R. Optical pulse reshaping system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842750A (cg-RX-API-DMAC7.html) * 1971-09-24 1973-06-21
JPS4866855A (cg-RX-API-DMAC7.html) * 1971-12-13 1973-09-13

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579041B2 (cg-RX-API-DMAC7.html) * 1974-11-29 1982-02-19
US4068952A (en) * 1976-07-23 1978-01-17 Hughes Aircraft Company Range testing system having simulated optical targets
US4166212A (en) * 1977-06-03 1979-08-28 International Standard Electric Corporation Recirculating optical delay line
US4261639A (en) * 1979-11-13 1981-04-14 Bell Telephone Laboratories, Incorporated Optical pulse equalization in single-mode fibers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842750A (cg-RX-API-DMAC7.html) * 1971-09-24 1973-06-21
JPS4866855A (cg-RX-API-DMAC7.html) * 1971-12-13 1973-09-13

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853243A (ja) * 1981-09-25 1983-03-29 Nippon Telegr & Teleph Corp <Ntt> 光伝送方式
JPS59126696A (ja) * 1983-01-10 1984-07-21 Nec Corp 光通信用光増幅装置
JPS60236277A (ja) * 1983-09-28 1985-11-25 ポラロイド　コ−ポレ−シヨン 光フアイバ通信装置
JPS6114624A (ja) * 1984-06-29 1986-01-22 Nippon Telegr & Teleph Corp <Ntt> 光フアイバによる光増幅装置
JPS63291488A (ja) * 1987-05-25 1988-11-29 Nippon Telegr & Teleph Corp <Ntt> 光ファイバレ−ザ装置
US5299048A (en) * 1989-08-31 1994-03-29 Fujitsu Limited Optical amplifier and optical communication system provided with the optical amplifier
US5510931A (en) * 1989-08-31 1996-04-23 Fujitsu Limited Optical amplifier and optical communication system with optical amplifier using pumping right beam
US5521737A (en) * 1989-08-31 1996-05-28 Fujitsu Limited Optical amplifier and optical communication system with optical amplifier using pumping light beam
US5526163A (en) * 1989-08-31 1996-06-11 Fujitsu Limited Optical amplifier and optical communication system with optical amplifier using pumping light beam
US5535050A (en) * 1989-08-31 1996-07-09 Fujitsu Limited Optical amplifier and optical communication system with optical amplifier using pumping light beam
US5546213A (en) * 1989-08-31 1996-08-13 Fujitsu Limited Optical amplifier and optical communication system provided with the optical amplifier

Also Published As

Publication number Publication date
GB2077909A (en) 1981-12-23
GB2077909B (en) 1984-06-20
US4401364A (en) 1983-08-30
JPS6258558B2 (cg-RX-API-DMAC7.html) 1987-12-07

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