JP2001358392A - 安全光移行制御方法および光ファイバ増幅器 - Google Patents

安全光移行制御方法および光ファイバ増幅器

Info

Publication number
JP2001358392A
JP2001358392A JP2000176832A JP2000176832A JP2001358392A JP 2001358392 A JP2001358392 A JP 2001358392A JP 2000176832 A JP2000176832 A JP 2000176832A JP 2000176832 A JP2000176832 A JP 2000176832A JP 2001358392 A JP2001358392 A JP 2001358392A
Authority
JP
Japan
Prior art keywords
optical fiber
light
power
light source
output
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.)
Pending
Application number
JP2000176832A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001358392A5 (https=
Inventor
Akira Sasaki
亮 佐々木
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP2000176832A priority Critical patent/JP2001358392A/ja
Priority to US09/773,491 priority patent/US6469824B2/en
Publication of JP2001358392A publication Critical patent/JP2001358392A/ja
Publication of JP2001358392A5 publication Critical patent/JP2001358392A5/ja
Pending 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
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094011—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with bidirectional pumping, i.e. with injection of the pump light from both two ends of the 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)
  • Lasers (AREA)
JP2000176832A 2000-06-13 2000-06-13 安全光移行制御方法および光ファイバ増幅器 Pending JP2001358392A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000176832A JP2001358392A (ja) 2000-06-13 2000-06-13 安全光移行制御方法および光ファイバ増幅器
US09/773,491 US6469824B2 (en) 2000-06-13 2001-02-02 Bi-directional pumped optical fiber amplifier with fault detection means and novel pump control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000176832A JP2001358392A (ja) 2000-06-13 2000-06-13 安全光移行制御方法および光ファイバ増幅器

Publications (2)

Publication Number Publication Date
JP2001358392A true JP2001358392A (ja) 2001-12-26
JP2001358392A5 JP2001358392A5 (https=) 2006-09-28

Family

ID=18678507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000176832A Pending JP2001358392A (ja) 2000-06-13 2000-06-13 安全光移行制御方法および光ファイバ増幅器

Country Status (2)

Country Link
US (1) US6469824B2 (https=)
JP (1) JP2001358392A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100474690B1 (ko) * 2002-09-23 2005-03-10 삼성전자주식회사 장파장 광섬유 증폭기
JP2018125405A (ja) * 2017-01-31 2018-08-09 株式会社フジクラ ファイバレーザシステム、及び、その制御方法
WO2020261534A1 (ja) * 2019-06-28 2020-12-30 三菱電機株式会社 光通信装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2003008117A (ja) * 2001-06-27 2003-01-10 Fujitsu Ltd 光増幅ブロックとこれを用いる光増幅システム
JP4322714B2 (ja) * 2004-03-12 2009-09-02 株式会社フジクラ 光ファイバ増幅器とそれに接続された伝送用光ファイバのコネクタ外れ検出方法、光ファイバ増幅器及び光ファイバ増幅器とそれに接続された伝送用光ファイバ
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
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
CN101995617B (zh) * 2009-08-19 2012-07-18 中国科学院半导体研究所 全硅基材料光收发模块
EP3136623A4 (en) * 2014-05-14 2017-04-26 Huawei Marine Networks Co., Limited Optical repeater and optical fiber communication system
US10852497B2 (en) * 2019-02-27 2020-12-01 Ciena Corporation Pluggable optical module thermal management and heat shield assemblies, devices, and methods
US11652545B2 (en) * 2020-11-24 2023-05-16 Ciena Corporation Avoiding fiber damage on non-supervisory optical fiber links
US20250130096A1 (en) * 2023-10-23 2025-04-24 Nokia Solutions And Networks Oy Bidirectional Optical Communication Fiber Sensing Control Device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911515A (en) * 1988-12-22 1990-03-27 Northern Telecom Limited Optical fiber communications system with optical fiber monitoring
JP2734209B2 (ja) * 1991-01-28 1998-03-30 日本電気株式会社 光ファイバ増幅器
IT1247844B (it) * 1991-03-29 1995-01-02 Pirelli Cavi S P A Dir Proprie Linea di telecomunicazione a fibre ottiche con amplificatori ottici, dotata di mezzi di protezione in grado di interrompere l'emissione luminosa in tutta la linea in presenza di un'interruzione della fibra ottica e di riattivarla automaticamente al ripristino della sua continuita'
GB9115453D0 (en) * 1991-07-18 1991-09-04 British Telecomm Fault location in optical systems
US5504617A (en) * 1994-02-08 1996-04-02 British Telecommunications Public Limited Company Optical time domain reflectometry
JP3354759B2 (ja) * 1995-07-24 2002-12-09 株式会社アドバンテスト 後方ブリルアン散乱光ｏｔｄｒ装置及びその測定方法並びにこの装置を用いた光通信回線システム
GB9526185D0 (en) * 1995-12-21 1996-02-21 Stc Submarine Systems Ltd Fiber-break detection in bi-directional optical amplifier systems
JP3411436B2 (ja) * 1996-01-12 2003-06-03 Ｋｄｄｉ株式会社 光通信線路の監視方法
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
JP3000948B2 (ja) * 1997-01-16 2000-01-17 日本電気株式会社 光増幅器
US6359708B1 (en) * 1997-09-18 2002-03-19 Lucent Technologies Inc. Optical transmission line automatic power reduction system
US6317255B1 (en) * 1998-04-28 2001-11-13 Lucent Technologies Inc. Method and apparatus for controlling optical signal power in response to faults in an optical fiber path
US6222668B1 (en) * 1998-05-08 2001-04-24 Nortel Networks Limited Fast loss of signal (LOS) detection for bidirectional optical amplifiers
US6011623A (en) * 1998-06-09 2000-01-04 Macdonald; Robert I. Fault detection system for an amplified optical transmission system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100474690B1 (ko) * 2002-09-23 2005-03-10 삼성전자주식회사 장파장 광섬유 증폭기
JP2018125405A (ja) * 2017-01-31 2018-08-09 株式会社フジクラ ファイバレーザシステム、及び、その制御方法
WO2020261534A1 (ja) * 2019-06-28 2020-12-30 三菱電機株式会社 光通信装置
JPWO2020261534A1 (ja) * 2019-06-28 2021-10-28 三菱電機株式会社 光通信装置
JP7134354B2 (ja) 2019-06-28 2022-09-09 三菱電機株式会社 光通信装置

Also Published As

Publication number Publication date
US20010050806A1 (en) 2001-12-13
US6469824B2 (en) 2002-10-22

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