ES2102356T3 - Linea de telecomunicaciones con fibra optica que comprende amplificadores de las señales transmitidas y amplificadores para dicha linea. - Google Patents
Linea de telecomunicaciones con fibra optica que comprende amplificadores de las señales transmitidas y amplificadores para dicha linea.Info
- Publication number
- ES2102356T3 ES2102356T3 ES90111453T ES90111453T ES2102356T3 ES 2102356 T3 ES2102356 T3 ES 2102356T3 ES 90111453 T ES90111453 T ES 90111453T ES 90111453 T ES90111453 T ES 90111453T ES 2102356 T3 ES2102356 T3 ES 2102356T3
- Authority
- ES
- Spain
- Prior art keywords
- amplifiers
- line
- optic
- sources
- optical fiber
- 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 - Lifetime
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
-
- 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
- H04B10/293—Signal power control
- H04B10/2931—Signal power control using AGC
-
- 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
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
-
- 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
- H04B10/0775—Performance monitoring and measurement of transmission parameters
-
- 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
- H04B10/0777—Monitoring line amplifier or line repeater equipment
-
- 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
- H04B10/29—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
-
- 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
- H01S3/09408—Pump redundancy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/071—Monitoring an optical transmission system using a supervisory signal using alarms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
UNA LINEA DE TELECOMUNICACION POR FIBRA OPTICAS SEGUN EL INVENTO COMPRENDE AMPLIFICADORES DE FIBRAS OPTICA DE NUCLEO ACTIVO 6,7,8 Y 9 DE LAS SEÑALES TRANSMITIDAS. SE CONECTAN DOS FUENTES DE LASERES L9, 20, DE BOMBEO DE RADIACION OPTICA A CADA FIBRA OPTICA DE NUCLEO ACTIVO PRESENTE EN LOS AMPLIFICADORES 6, 7, 8 Y 9 DE LA LINEA,CADA UNA PARA CADA EXTREMO DE UNA SOLA FIBRA OPTICA DE NUCLEO ACTIVO. DE ESTAS DOS FUENTES DE LASERES 19, 20, DE BOMBEO DE RADIACION OPTICA, SE PONE EN SERVICIO LA PRIMERA 19 Y SE MANTIENE LA SEGUNDA 20 COMO RESERVA PARA PONERLA EN SERVICIO CUANDO FALLE LA PRIMERA. ADEMAS LAS DOS FUENTES DE BOMBEO DE RADIACION OPTICA 19, 20, ESTAN ASOCIADAS CON UN CIRCUITO MICROPROCESADOR 29 CAPAZ DE OBLIGARLAS A ENVIAR SEÑALES DE ALARMA SOBRE EL ESTADO DEL AMPLIFICADOR A LAS ESTACIONES TERMINALES 10, 11 DE LA LINEA Y A RECIBIR DE LAS ULTIMAS LA SEÑALES DE CONTROL PARA EL INTERCAMBIO DE FUNCIONAMIENTO ENTRE LAS DOS FUENTES DE BOMBEO DE RADIACION OPTICA, 19, 20.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8921258A IT1231379B (it) | 1989-07-21 | 1989-07-21 | Linea di telecomunicazioni a fibre ottiche incorporante amplificatori dei segnali trasmessi ed amplificatori per detta linea |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2102356T3 true ES2102356T3 (es) | 1997-08-01 |
Family
ID=11179153
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96201234T Expired - Lifetime ES2154780T3 (es) | 1989-07-21 | 1990-06-18 | Procedimiento para la emision de una señal optica de alarma. |
ES90111453T Expired - Lifetime ES2102356T3 (es) | 1989-07-21 | 1990-06-18 | Linea de telecomunicaciones con fibra optica que comprende amplificadores de las señales transmitidas y amplificadores para dicha linea. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96201234T Expired - Lifetime ES2154780T3 (es) | 1989-07-21 | 1990-06-18 | Procedimiento para la emision de una señal optica de alarma. |
Country Status (25)
Country | Link |
---|---|
US (1) | US5054876A (es) |
EP (2) | EP0408905B1 (es) |
JP (3) | JP3031480B2 (es) |
KR (1) | KR0155371B1 (es) |
CN (1) | CN1022531C (es) |
AR (1) | AR243711A1 (es) |
AT (2) | ATE150920T1 (es) |
AU (1) | AU622597B2 (es) |
BR (1) | BR9003652A (es) |
CA (1) | CA2021706C (es) |
CS (1) | CS277497B6 (es) |
DD (1) | DD299205A5 (es) |
DE (2) | DE69030285T2 (es) |
ES (2) | ES2154780T3 (es) |
FI (1) | FI903681A0 (es) |
HK (1) | HK1000358A1 (es) |
HU (1) | HU211280B (es) |
ID (1) | ID18627A (es) |
IE (1) | IE79238B1 (es) |
IT (1) | IT1231379B (es) |
NO (2) | NO303998B1 (es) |
NZ (1) | NZ234255A (es) |
PE (1) | PE34690A1 (es) |
PL (1) | PL164809B1 (es) |
PT (1) | PT94781B (es) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3137632B2 (ja) * | 1989-08-31 | 2001-02-26 | 富士通株式会社 | 光ファイバ増幅器を備えた光通信方式 |
GB8928237D0 (en) * | 1989-12-14 | 1990-02-21 | British Telecomm | Lossless optical component |
GB2251148B (en) * | 1990-09-18 | 1995-04-12 | Fujitsu Ltd | Optical repeater having loop-back function |
JPH04217123A (ja) * | 1990-12-18 | 1992-08-07 | Fujitsu Ltd | 光伝送システムの給電方式 |
US5499135A (en) * | 1990-12-24 | 1996-03-12 | Alcatel N.V. | Optical amplifier |
DE4106778A1 (de) * | 1991-03-04 | 1992-09-10 | Standard Elektrik Lorenz Ag | Optisch-elektrisch-wandler mit erweitertem dynamikbereich |
US5268786A (en) * | 1991-03-15 | 1993-12-07 | Mitsubishi Denki Kabushiki Kaisha | Optical fiber amplifier and its amplification method |
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' |
JP2806092B2 (ja) * | 1991-08-28 | 1998-09-30 | 日本電気株式会社 | 光増幅器 |
JP2725109B2 (ja) * | 1992-03-06 | 1998-03-09 | 富士通株式会社 | 光増幅装置 |
DE4215338A1 (de) * | 1992-05-09 | 1993-11-11 | Sel Alcatel Ag | Optisches Nachrichtenübertragungssystem mit Überwachungsvorrichtung zur Vermeidung von Riesenimpulsen |
DE4218779C2 (de) * | 1992-06-06 | 1997-04-03 | Heinrich Zehnder Gmbh | Vorrichtung zur optischen Informationsübertragung zwischen mehreren miteinander zu verbindenden Geräten |
DE4222270B4 (de) * | 1992-07-07 | 2007-09-13 | Ericsson Ab | Optische Verstärkerschaltung |
US5278404A (en) * | 1992-07-20 | 1994-01-11 | At&T Bell Laboratories | Optical sub-system utilizing an embedded micro-controller |
US5241414A (en) * | 1992-08-21 | 1993-08-31 | At&T Bell Laboratories | Fault tolerant optical amplifier arrangement |
DE4315846A1 (de) * | 1993-03-30 | 1994-10-06 | Sel Alcatel Ag | Faseroptischer Verstärker |
JPH0816761B2 (ja) * | 1993-04-13 | 1996-02-21 | 日本電気株式会社 | 光増幅器制御回路 |
US5408356A (en) * | 1993-08-02 | 1995-04-18 | The United States Of America As Represented By The United States Department Of Energy | Fiber optic signal amplifier using thermoelectric power generation |
JPH07176813A (ja) * | 1993-12-17 | 1995-07-14 | Fujitsu Ltd | 光ファイバ増幅器 |
CN1055584C (zh) * | 1994-12-27 | 2000-08-16 | 西安电子科技大学 | 双层微带线光导超短电脉冲产生器 |
JP3306693B2 (ja) | 1995-01-19 | 2002-07-24 | 富士通株式会社 | 光増幅装置,光波長多重通信システム,光端局装置及び光中継装置 |
US5563731A (en) * | 1995-02-22 | 1996-10-08 | Nec Corporation | Monitor control signal receiving apparatus for optical fiber amplifier |
US5532864A (en) * | 1995-06-01 | 1996-07-02 | Ciena Corporation | Optical monitoring channel for wavelength division multiplexed optical communication system |
US5710846A (en) * | 1996-03-26 | 1998-01-20 | Rf Systems, Inc. | Self-calibrating optical fiber switch |
US6580530B1 (en) | 1998-05-29 | 2003-06-17 | Cisco Photonics Italy S.R.L. | Optical communication system |
JP4576756B2 (ja) * | 2001-06-19 | 2010-11-10 | 株式会社日立製作所 | 光信号切替え装置、および、その使用方法 |
DE10303314A1 (de) | 2003-01-28 | 2004-07-29 | Marconi Communications Gmbh | Ausgangsstufe für die WDM-Nachrichtenübertragung und Verfahren zum Austauschen von Fülllichtquellen in einer solchen Ausgangsstufe |
US7158289B1 (en) | 2003-11-07 | 2007-01-02 | Alcatel | Method and apparatus for implementing optical supervisory channel using broadband noise modulation |
US7667889B2 (en) * | 2007-02-21 | 2010-02-23 | Pyrophotonics Lasers Inc. | Methods and systems for gain control in pulsed optical amplifiers |
JP5050931B2 (ja) | 2008-03-04 | 2012-10-17 | 日本電気株式会社 | 光伝送システム、光伝送システムで用いられる光送受信装置、及び端末側送受信装置、並びに光伝送方法 |
JP2010177346A (ja) * | 2009-01-28 | 2010-08-12 | Nippon Telegr & Teleph Corp <Ntt> | 光増幅器及び光増幅方法 |
US8964801B2 (en) * | 2009-06-11 | 2015-02-24 | Esi-Pyrophotonics Lasers, Inc. | Method and system for stable and tunable high power pulsed laser system |
KR101945622B1 (ko) | 2017-06-29 | 2019-04-17 | 동서대학교 산학협력단 | 자율보행보조기 동작방법 |
JP2021517399A (ja) * | 2018-03-06 | 2021-07-15 | ネプチューン サブシー アイピー リミテッド | 改善されたリピータ給電 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3317541A1 (de) * | 1983-05-13 | 1984-11-15 | Siemens AG, 1000 Berlin und 8000 München | Koppeleinrichtung fuer einen lichtwellenleiter |
SE438396B (sv) * | 1983-09-01 | 1985-04-15 | Ericsson Telefon Ab L M | Anordning for att detektera avtappning av ljusenergi fran optiska fibrer |
GB2152297B (en) * | 1984-01-19 | 1988-10-19 | Stc Plc | Optical repeaters |
JPS6175326A (ja) * | 1984-09-21 | 1986-04-17 | Nec Corp | フアイバ内光増幅送信装置 |
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 |
US4699452A (en) * | 1985-10-28 | 1987-10-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical communications system comprising Raman amplification means |
DD246214A1 (de) * | 1986-02-21 | 1987-05-27 | Mikroelektronik Zt Forsch Tech | Verfahren zur organisation des datenverkehrs lichtleitergekoppelter und mikrorechnergesteuerter technologischer module |
GB8612955D0 (en) * | 1986-05-28 | 1986-07-02 | British Telecomm | Optically controlled selector |
GB8708148D0 (en) * | 1987-04-06 | 1987-05-13 | British Telecomm | Radiation pulse generation |
EP0305995B1 (en) * | 1987-09-01 | 1993-11-03 | Nec Corporation | An optical amplifying repeater |
-
1989
- 1989-07-21 IT IT8921258A patent/IT1231379B/it active
-
1990
- 1990-06-18 ES ES96201234T patent/ES2154780T3/es not_active Expired - Lifetime
- 1990-06-18 AT AT90111453T patent/ATE150920T1/de not_active IP Right Cessation
- 1990-06-18 DE DE69030285T patent/DE69030285T2/de not_active Expired - Fee Related
- 1990-06-18 EP EP90111453A patent/EP0408905B1/en not_active Expired - Lifetime
- 1990-06-18 AT AT96201234T patent/ATE198394T1/de active
- 1990-06-18 DE DE69033678T patent/DE69033678T2/de not_active Expired - Fee Related
- 1990-06-18 ES ES90111453T patent/ES2102356T3/es not_active Expired - Lifetime
- 1990-06-18 EP EP96201234A patent/EP0742650B1/en not_active Expired - Lifetime
- 1990-06-26 NZ NZ234255A patent/NZ234255A/en unknown
- 1990-06-29 AU AU58029/90A patent/AU622597B2/en not_active Ceased
- 1990-07-17 PE PE1990172303A patent/PE34690A1/es not_active Application Discontinuation
- 1990-07-18 CS CS903573A patent/CS277497B6/cs not_active IP Right Cessation
- 1990-07-19 AR AR90317408A patent/AR243711A1/es active
- 1990-07-19 DD DD90342927A patent/DD299205A5/de unknown
- 1990-07-19 PL PL90286131A patent/PL164809B1/pl unknown
- 1990-07-20 KR KR1019900011013A patent/KR0155371B1/ko not_active IP Right Cessation
- 1990-07-20 CA CA002021706A patent/CA2021706C/en not_active Expired - Fee Related
- 1990-07-20 PT PT94781A patent/PT94781B/pt not_active IP Right Cessation
- 1990-07-20 IE IE265490A patent/IE79238B1/en not_active IP Right Cessation
- 1990-07-20 FI FI903681A patent/FI903681A0/fi not_active IP Right Cessation
- 1990-07-20 CN CN90104750A patent/CN1022531C/zh not_active Expired - Fee Related
- 1990-07-20 NO NO903260A patent/NO303998B1/no unknown
- 1990-07-20 HU HU904558A patent/HU211280B/hu not_active IP Right Cessation
- 1990-07-20 BR BR909003652A patent/BR9003652A/pt not_active IP Right Cessation
- 1990-07-20 US US07/555,941 patent/US5054876A/en not_active Expired - Lifetime
- 1990-07-21 JP JP19378490A patent/JP3031480B2/ja not_active Expired - Fee Related
-
1997
- 1997-09-07 ID IDP97388191A patent/ID18627A/id unknown
- 1997-10-16 HK HK97101938A patent/HK1000358A1/xx not_active IP Right Cessation
-
1998
- 1998-05-14 NO NO982208A patent/NO982208D0/no unknown
-
1999
- 1999-04-27 JP JP11120663A patent/JP3113244B2/ja not_active Expired - Fee Related
-
2000
- 2000-06-22 JP JP2000187856A patent/JP2001044939A/ja active Pending
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