PE16097A1 - Sistema de telecomunicacion amplificado para transmisiones en multiplex por division de longitud de onda, teniendo una potencia de recepcion ecualizada - Google Patents
Sistema de telecomunicacion amplificado para transmisiones en multiplex por division de longitud de onda, teniendo una potencia de recepcion ecualizadaInfo
- Publication number
- PE16097A1 PE16097A1 PE1995274552A PE27455295A PE16097A1 PE 16097 A1 PE16097 A1 PE 16097A1 PE 1995274552 A PE1995274552 A PE 1995274552A PE 27455295 A PE27455295 A PE 27455295A PE 16097 A1 PE16097 A1 PE 16097A1
- Authority
- PE
- Peru
- Prior art keywords
- signals
- fiber
- transmission
- line
- optical
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 5
- 239000000835 fiber Substances 0.000 abstract 4
- 230000003287 optical effect Effects 0.000 abstract 3
- 239000013307 optical fiber Substances 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex 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
- H04B10/29—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
- H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0221—Power control, e.g. to keep the total optical power constant
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Locating Faults (AREA)
- Transmitters (AREA)
- Small-Scale Networks (AREA)
Abstract
CARACTERIZADO POR COMPRENDER: A) UNA SENAL DE TRANSMISION CON FIBRA OPTICA, LA CUAL COMPRENDE MEDIOS PARA GENERAR DICHAS SENALES DE TRANSMISION EN POR LO MENOS DOS LONGITUDES DE ONDAS INCLUIDAS EN UNA BANDA DE ANCHO PREDETERMINADA Y MEDIOS PARA CONDUCIR DICHAS SENALES A UNA SOLA LINEA CON FIBRA OPTICA; B) UNA ESTACION RECEPTORA PARA LAS SENALES OPTICAS, LA CUAL COMPRENDE MEDIOS PARA SEPARAR DICHAS SENALES DE TRANSMISION DESDE LA UNICA LINEA CON FIBRA OPTICA, UNO DE DICHOS AMPLIFICADORES TIENE DOPANTES EN LA FIBRA ACTIVA, UN LARGO DADO DE LA FIBRA ACTIVA Y UNA POTENCIA DETERMINADA DEL MEDIO DE BOMBEO, EN COMBINACION DAN ORIGEN A UNA RELACION SENAL OPTICA/RUIDO, ENTRE SENALES DE DIFERENTE LONGITUD DE ONDA, CON UNA BANDA DE 0,5 nm PARA CADA UNA DE DICHAS SENALES; Y C) UNA LINEA CON FIBRA OPTICA QUE CONECTA LAS ESTACIONES DE TRANSMISION Y RECEPCION, DICHA LINEA CON FIBRA OPTICA INCLUYE POR LO MENOS DOS AMPLIFICADORES DE LINEA CON FIBRA OPTICA DOPADOS CON UN MATERIAL DE TIERRA RARA, CONECTADOS EN SERIE Y PROVISTOS CON MEDIOS DE BOMBEO. SE UTILIZA EN TELECOMUNICACIONES OPTICAS
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941573A IT1273676B (it) | 1994-07-25 | 1994-07-25 | Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda,con potenza di ricezione equalizzata |
Publications (1)
Publication Number | Publication Date |
---|---|
PE16097A1 true PE16097A1 (es) | 1997-05-12 |
Family
ID=11369353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PE1995274552A PE16097A1 (es) | 1994-07-25 | 1995-07-24 | Sistema de telecomunicacion amplificado para transmisiones en multiplex por division de longitud de onda, teniendo una potencia de recepcion ecualizada |
Country Status (21)
Country | Link |
---|---|
US (2) | US5852510A (es) |
EP (1) | EP0695049B1 (es) |
JP (1) | JPH08195721A (es) |
KR (1) | KR960006371A (es) |
CN (1) | CN1117679A (es) |
AT (1) | ATE255302T1 (es) |
AU (1) | AU710198B2 (es) |
BR (1) | BR9502403A (es) |
CA (1) | CA2154641C (es) |
CZ (1) | CZ192295A3 (es) |
DE (1) | DE69532178T2 (es) |
FI (1) | FI953544A (es) |
HU (1) | HU218631B (es) |
IT (1) | IT1273676B (es) |
NO (1) | NO952929L (es) |
NZ (1) | NZ272564A (es) |
PE (1) | PE16097A1 (es) |
PL (1) | PL178061B1 (es) |
RU (1) | RU2159509C2 (es) |
SK (1) | SK93895A3 (es) |
TW (1) | TW270265B (es) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09116492A (ja) * | 1995-10-18 | 1997-05-02 | Nec Corp | 波長多重光増幅中継伝送方法およびその装置 |
JPH10164020A (ja) | 1996-11-29 | 1998-06-19 | Nec Corp | 光波長多重中継伝送システムおよびその光s/n比等化方法 |
US6914717B1 (en) | 1996-12-23 | 2005-07-05 | Xtera Communications, Inc. | Multiple wavelength pumping of raman amplifier stages |
US6052393A (en) | 1996-12-23 | 2000-04-18 | The Regents Of The University Of Michigan | Broadband Sagnac Raman amplifiers and cascade lasers |
JPH10276172A (ja) * | 1997-03-28 | 1998-10-13 | Kokusai Denshin Denwa Co Ltd <Kdd> | 波長分割光処理装置およびこの波長分割光処理装置を用いた光通信伝送路 |
DE69725840T2 (de) * | 1997-06-06 | 2004-07-22 | Avanex Corp., Fremont | Faseroptisches Telekommunikationssystem |
EP1000477A1 (en) | 1997-08-01 | 2000-05-17 | Optical Technologies U.S.A. Corp. | Multi-band amplification system for dense wavelength division multiplexing |
JPH11112068A (ja) * | 1997-10-06 | 1999-04-23 | Fujitsu Ltd | 光信号伝送システム及び光信号伝送方法 |
JP3638777B2 (ja) | 1998-02-04 | 2005-04-13 | 富士通株式会社 | 利得等化のための方法並びに該方法の実施に使用する装置及びシステム |
US6597493B2 (en) | 2000-05-05 | 2003-07-22 | The Regents Of The University Of Michigan | Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers |
US6574037B2 (en) | 1998-06-16 | 2003-06-03 | Xtera Communications, Inc. | All band amplifier |
US6321016B1 (en) * | 1998-06-19 | 2001-11-20 | Pirelli Cavi E Sistemi S.P.A. | Optical fiber having low non-linearity for WDM transmission |
US6545799B1 (en) * | 1998-09-02 | 2003-04-08 | Corning Incorporated | Method and apparatus for optical system link control |
US6606178B1 (en) * | 1999-09-23 | 2003-08-12 | Corning Incorporated | Method and system to reduce FWM penalty in NRZ WDM systems |
US6421167B1 (en) | 2000-03-03 | 2002-07-16 | General Dynamics Advanced Technology Systems, Inc. | Multiple function bandwidth management systems |
US6381063B1 (en) * | 2000-03-16 | 2002-04-30 | Corning Incorporated | Long band optical amplifier |
US6961522B1 (en) | 2000-11-22 | 2005-11-01 | Cisco Technology, Inc. | Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system |
US6437906B1 (en) | 2000-11-22 | 2002-08-20 | Cisco Technology, Inc. | All-optical gain controlled L-band EDFA structure with reduced four-wave mixing cross-talk |
US6810214B2 (en) | 2001-03-16 | 2004-10-26 | Xtera Communications, Inc. | Method and system for reducing degradation of optical signal to noise ratio |
US6532101B2 (en) | 2001-03-16 | 2003-03-11 | Xtera Communications, Inc. | System and method for wide band Raman amplification |
US6941079B1 (en) | 2001-05-24 | 2005-09-06 | Cisco Technology, Inc. | Optical demultiplexer with multi-channel power control and tilt compensation |
US6697193B1 (en) | 2001-06-06 | 2004-02-24 | Cisco Technology, Inc. | Shared variable gain amplifier for WDM channel equalization |
US6587259B2 (en) | 2001-07-27 | 2003-07-01 | Xtera Communications, Inc. | System and method for controlling noise figure |
US6757099B2 (en) | 2001-08-15 | 2004-06-29 | Pts Corporation | Optical power transient control scheme for EDFA amplifiers |
US6594071B1 (en) | 2001-10-02 | 2003-07-15 | Xtera Communications, Inc. | Method and apparatus for amplifier control |
US20030067670A1 (en) * | 2001-10-04 | 2003-04-10 | Lacra Pavel | Dynamic optical spectral control scheme for optical amplifier sites |
CN1330119C (zh) * | 2001-11-11 | 2007-08-01 | 华为技术有限公司 | 一种用于高速传输系统的光信号调节方法及光传输系统 |
US6621626B1 (en) | 2001-12-05 | 2003-09-16 | Cisco Technology, Inc. | Modular optical amplifier structure for highly dense interleaved WDM systems |
US6819479B1 (en) | 2001-12-20 | 2004-11-16 | Xtera Communications, Inc. | Optical amplification using launched signal powers selected as a function of a noise figure |
US7233432B2 (en) * | 2001-12-20 | 2007-06-19 | Xtera Communications, Inc. | Pre-emphasized optical communication |
US6819478B1 (en) | 2002-03-15 | 2004-11-16 | Xtera Communications, Inc. | Fiber optic transmission system with low cost transmitter compensation |
US6825973B1 (en) | 2002-03-15 | 2004-11-30 | Xtera Communications, Inc. | Reducing leading edge transients using co-propagating pumps |
US7197245B1 (en) | 2002-03-15 | 2007-03-27 | Xtera Communications, Inc. | System and method for managing system margin |
US6778321B1 (en) | 2002-03-15 | 2004-08-17 | Xtera Communications, Inc. | Fiber optic transmission system for a metropolitan area network |
KR100458678B1 (ko) * | 2002-03-20 | 2004-12-03 | 주식회사 럭스퍼트 | 이득제공 방식의 광파워 평탄화기 |
US7054059B1 (en) | 2003-05-14 | 2006-05-30 | Cisco Technoloy, Inc. | Lumped Raman amplification structure for very wideband applications |
EP2475121A1 (en) * | 2011-01-10 | 2012-07-11 | Ntt Docomo, Inc. | Communication system and method for directly transmitting signals between nodes of a communication system |
CN104683036B (zh) * | 2015-03-23 | 2017-07-28 | 东南大学 | 一种多源激光二元相位调制与解调装置及方法 |
RU2695106C1 (ru) * | 2015-12-11 | 2019-07-19 | Хуавей Текнолоджиз Ко., Лтд. | Способ и устройство для управления уровнем мощности передачи оптического сетевого блока и оптический сетевой блок |
US20220416897A1 (en) * | 2019-06-21 | 2022-12-29 | Nippon Telegraph And Telephone Corporation | Optical amplifier, receiver, optical transmission system, and optical amplifier design method |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5282079A (en) | 1988-06-10 | 1994-01-25 | Pirelli General Plc | Optical fibre amplifier |
US5087108A (en) | 1989-08-11 | 1992-02-11 | Societa' Cavi Pirelli S.P.A. | Double-core active-fiber optical amplifier having a wide-band signal wavelength |
US5267073A (en) | 1989-10-30 | 1993-11-30 | Pirelli Cavi S.P.A. | Amplifier adapter for optical lines |
IT1237136B (it) | 1989-10-30 | 1993-05-24 | Pirelli Cavi Spa | Amplificatore ottico a fibra attiva a larga banda di lunghezza d'onda di segnale. |
DE4002369A1 (de) | 1990-01-27 | 1991-08-01 | Standard Elektrik Lorenz Ag | Mehrstufiger faseroptischer verstaerker |
IT1237970B (it) | 1990-02-07 | 1993-06-19 | Pirelli Cavi Spa | Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale |
US5117303A (en) | 1990-08-23 | 1992-05-26 | At&T Bell Laboratories | Method of operating concatenated optical amplifiers |
US5088095A (en) | 1991-01-31 | 1992-02-11 | At&T Bell Laboratories | Gain stabilized fiber amplifier |
US5225922A (en) * | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
US5239607A (en) * | 1992-06-23 | 1993-08-24 | Bell Communications Research, Inc. | Optical fiber amplifier with flattened gain |
US5280383A (en) | 1992-12-02 | 1994-01-18 | At&T Bell Laboratories | Dual-stage low power optical amplifier |
JP3286972B2 (ja) * | 1992-12-25 | 2002-05-27 | キヤノン株式会社 | 波長分波装置及びそれを用いた波長多重通信システム |
US5406404A (en) * | 1993-11-02 | 1995-04-11 | At&T Corp. | Method of mitigating gain peaking using a chain of fiber amplifiers |
US5504609A (en) * | 1995-05-11 | 1996-04-02 | Ciena Corporation | WDM optical communication system with remodulators |
US5715076A (en) * | 1995-05-11 | 1998-02-03 | Ciena Corporation | Remodulating channel selectors for WDM optical communication systems |
US5726784A (en) * | 1995-05-11 | 1998-03-10 | Ciena Corp. | WDM optical communication system with remodulators and diverse optical transmitters |
-
1994
- 1994-07-25 IT ITMI941573A patent/IT1273676B/it active IP Right Grant
-
1995
- 1995-07-13 NZ NZ272564A patent/NZ272564A/en not_active IP Right Cessation
- 1995-07-21 AT AT95111501T patent/ATE255302T1/de not_active IP Right Cessation
- 1995-07-21 EP EP95111501A patent/EP0695049B1/en not_active Expired - Lifetime
- 1995-07-21 DE DE69532178T patent/DE69532178T2/de not_active Expired - Lifetime
- 1995-07-24 CN CN95108635A patent/CN1117679A/zh active Pending
- 1995-07-24 RU RU95113209/09A patent/RU2159509C2/ru active
- 1995-07-24 TW TW084107656A patent/TW270265B/zh active
- 1995-07-24 PE PE1995274552A patent/PE16097A1/es not_active Application Discontinuation
- 1995-07-24 HU HU9502215A patent/HU218631B/hu not_active IP Right Cessation
- 1995-07-24 FI FI953544A patent/FI953544A/fi unknown
- 1995-07-24 US US08/506,086 patent/US5852510A/en not_active Expired - Lifetime
- 1995-07-24 NO NO952929A patent/NO952929L/no not_active Application Discontinuation
- 1995-07-25 CZ CZ951922A patent/CZ192295A3/cs unknown
- 1995-07-25 KR KR1019950022091A patent/KR960006371A/ko not_active Application Discontinuation
- 1995-07-25 BR BR9502403A patent/BR9502403A/pt unknown
- 1995-07-25 SK SK938-95A patent/SK93895A3/sk unknown
- 1995-07-25 CA CA002154641A patent/CA2154641C/en not_active Expired - Lifetime
- 1995-07-25 JP JP7189468A patent/JPH08195721A/ja active Pending
- 1995-07-25 PL PL95309766A patent/PL178061B1/pl unknown
- 1995-07-25 AU AU27184/95A patent/AU710198B2/en not_active Expired
-
1998
- 1998-11-09 US US09/188,466 patent/US6025954A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ITMI941573A0 (it) | 1994-07-25 |
ATE255302T1 (de) | 2003-12-15 |
HU218631B (hu) | 2000-10-28 |
NO952929D0 (no) | 1995-07-24 |
CN1117679A (zh) | 1996-02-28 |
CZ192295A3 (en) | 1996-02-14 |
EP0695049B1 (en) | 2003-11-26 |
TW270265B (es) | 1996-02-11 |
SK93895A3 (en) | 1996-02-07 |
EP0695049A1 (en) | 1996-01-31 |
KR960006371A (ko) | 1996-02-23 |
CA2154641A1 (en) | 1996-01-26 |
DE69532178T2 (de) | 2004-08-12 |
ITMI941573A1 (it) | 1996-01-25 |
US5852510A (en) | 1998-12-22 |
DE69532178D1 (de) | 2004-01-08 |
PL309766A1 (en) | 1996-02-05 |
RU2159509C2 (ru) | 2000-11-20 |
JPH08195721A (ja) | 1996-07-30 |
HUT72807A (en) | 1996-05-28 |
PL178061B1 (pl) | 2000-02-29 |
BR9502403A (pt) | 1996-06-25 |
US6025954A (en) | 2000-02-15 |
AU2718495A (en) | 1996-02-08 |
CA2154641C (en) | 2005-03-15 |
AU710198B2 (en) | 1999-09-16 |
IT1273676B (it) | 1997-07-09 |
NO952929L (no) | 1996-01-26 |
FI953544A0 (fi) | 1995-07-24 |
HU9502215D0 (en) | 1995-09-28 |
NZ272564A (en) | 1998-06-26 |
FI953544A (fi) | 1996-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration | ||
FD | Application declared void or lapsed |