PE26096A1 - Sistema de telecomunicacion amplificada para transmisiones multiplexadas por division de longitud de onda - Google Patents
Sistema de telecomunicacion amplificada para transmisiones multiplexadas por division de longitud de ondaInfo
- Publication number
- PE26096A1 PE26096A1 PE1995266500A PE26650095A PE26096A1 PE 26096 A1 PE26096 A1 PE 26096A1 PE 1995266500 A PE1995266500 A PE 1995266500A PE 26650095 A PE26650095 A PE 26650095A PE 26096 A1 PE26096 A1 PE 26096A1
- Authority
- PE
- Peru
- Prior art keywords
- optical
- wave length
- signal
- receiver
- telecommunication system
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 230000003287 optical effect Effects 0.000 abstract 7
- 239000000835 fiber Substances 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
-
- 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
- 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
- H04B10/293—Signal power control
- H04B10/2933—Signal power control considering the whole optical path
- H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
-
- 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
- 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
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/04—Gain spectral shaping, flattening
-
- 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
- H01S3/06787—Bidirectional amplifier
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1691—Solid materials characterised by additives / sensitisers / promoters as further dopants
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1691—Solid materials characterised by additives / sensitisers / promoters as further dopants
- H01S3/1696—Solid materials characterised by additives / sensitisers / promoters as further dopants transition metal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/003—Devices including multiple stages, e.g., multi-stage optical amplifiers or dispersion compensators
Landscapes
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
- Transmitters (AREA)
- Near-Field Transmission Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
QUE PERMITE CONSEGUIR QUE UNA ALTA RELACION DE SENAL OPTICA/RUIDO SEA ALCANZADA POR TODOS LOS CANALES DE UNA BANDA DE LONGITUD DE ONDA PREDETERMINADA, EN UN SISTEMA DE TELECOMUNICACIONES, EL CUAL COMPRENDE: UN TRANSMISOR OPTICO, UN RECEPTOR OPTICO, UN CONDUCTOR CON FIBRA OPTICA QUE CONECTA DICHO TRANSMISOR Y RECEPTOR, Y POR LO MENOS UN AMPLIFICADOR OPTICO CON FIBRA ACTIVA, LA CUAL TIENE UN CURVA DE EMISION QUE TIENE UNA ZONA DE ALTA EMISION EN UN ALCANCE DE LONGITUD DE ONDA PREDETERMINADA, LA CUAL ESTA INCLUIDA ENTRE 1520 nm Y 1560 nm, ESTANDO PRESENTE UNA DEPRESION DE LA EMISION RELATIVA A LAS ZONAS ADYACENTES; LA MEJORA CONSISTE EN ELIMINAR O DISMINUIR DICHA DEPRESION MEDIANTE LA SELECCION Y DOSIFICACION DE LOS ADULTERANTES EN LA FIBRA ACTIVA; EL METODO PARA TELECOMUNICACION OPTICA, COMPRENDE LAS SIGUIENTES ETAPAS: A) GENERAR UNA SENAL OPTICA A UNA LONGITUD DE ONDA PREDETERMINADA EN UNA BANDA DE LONGITUD DE ONDA; B) ALIMENTAR DICHA SENAL A UNA FIBRA OPTICA DE UNA LINEA DE TELECOMUNICACION OPTICA; Y C) AMPLIFICAR DICHA SENAL A TRAVES DE UN RECEPTOR
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940712A IT1270032B (it) | 1994-04-14 | 1994-04-14 | Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda |
Publications (1)
Publication Number | Publication Date |
---|---|
PE26096A1 true PE26096A1 (es) | 1996-06-19 |
Family
ID=11368591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PE1995266500A PE26096A1 (es) | 1994-04-14 | 1995-04-17 | Sistema de telecomunicacion amplificada para transmisiones multiplexadas por division de longitud de onda |
Country Status (22)
Country | Link |
---|---|
US (2) | US5808787A (es) |
EP (1) | EP0677902B1 (es) |
JP (1) | JPH0846592A (es) |
KR (1) | KR950035162A (es) |
CN (1) | CN1084098C (es) |
AT (1) | ATE220482T1 (es) |
AU (1) | AU691570B2 (es) |
BR (1) | BR9501362A (es) |
CA (1) | CA2147035C (es) |
CZ (1) | CZ93995A3 (es) |
DE (1) | DE69527325T2 (es) |
FI (1) | FI951813A (es) |
HU (1) | HU216228B (es) |
IT (1) | IT1270032B (es) |
MY (1) | MY130572A (es) |
NO (1) | NO951446L (es) |
NZ (1) | NZ270854A (es) |
PE (1) | PE26096A1 (es) |
PL (2) | PL177566B1 (es) |
RU (1) | RU2146853C1 (es) |
SK (1) | SK49795A3 (es) |
TW (1) | TW301087B (es) |
Families Citing this family (37)
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SE504278C2 (sv) * | 1995-02-22 | 1996-12-23 | Telia Ab | Dämpningsfri optisk förbindelse |
GB9522943D0 (en) * | 1995-08-05 | 1996-01-10 | Samsung Electronics Co Ltd | Erbium doped fiber amplifier |
US5631758A (en) * | 1995-10-26 | 1997-05-20 | Lucent Technologies Inc. | Chirped-pulse multiple wavelength telecommunications system |
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 |
IT1283372B1 (it) | 1996-07-31 | 1998-04-17 | Pirelli Cavi S P A Ora Pirelli | Dispositivo per l'inserimento e l'estrazione di segnali ottici |
IT1283373B1 (it) | 1996-07-31 | 1998-04-17 | Pirelli Cavi S P A Ora Pirelli | Sistema di telecomunicazione ottica multicanale bidirezionale |
JP3652804B2 (ja) | 1996-09-06 | 2005-05-25 | 富士通株式会社 | 光伝送装置 |
JPH10163554A (ja) * | 1996-11-27 | 1998-06-19 | Furukawa Electric Co Ltd:The | 光ファイバ増幅装置 |
US6295149B1 (en) | 1997-01-15 | 2001-09-25 | Pirelli Cavi E Sistemi S.P.A. | System and method of telecommunication with wavelength division multiplexing comprising a demultiplexer |
US5890816A (en) * | 1997-03-07 | 1999-04-06 | Lucent Technologies Inc. | Polarization maintaining optical amplifier |
DE69725840T2 (de) * | 1997-06-06 | 2004-07-22 | Avanex Corp., Fremont | Faseroptisches Telekommunikationssystem |
US6191854B1 (en) | 1997-06-23 | 2001-02-20 | Pirelli Cavi E Sistemi S.P.A. | Optical telecommunications system |
US5892781A (en) * | 1997-09-02 | 1999-04-06 | E-Tek Dynamics, Inc. | High output fiber amplifier/lasers for fiberoptic networks |
KR100251557B1 (ko) * | 1997-10-02 | 2000-05-01 | 윤종용 | 광섬유 증폭기 |
US5930029A (en) * | 1997-12-02 | 1999-07-27 | Sdl, Inc. | Optical fiber amplifier with optimized power conversion |
CN1081414C (zh) * | 1997-12-05 | 2002-03-20 | 清华大学 | 实现波分复用系统动态增益谱均衡的方法及其均衡放大器 |
KR100280968B1 (ko) | 1997-12-10 | 2001-02-01 | 윤종용 | 동기화된에탈론필터를이용한광섬유증폭기 |
US6160660A (en) * | 1997-12-31 | 2000-12-12 | Pirelli Cavi E Sistemi S.P.A. | Bidirectional optical transmission system for dense interleaved wavelength division multiplexing |
JP3829962B2 (ja) * | 1998-01-22 | 2006-10-04 | 富士通株式会社 | 光アッテネータ並びに該光アッテネータを備えたシステム、光増幅器及び端局装置 |
WO1999040695A1 (fr) * | 1998-02-06 | 1999-08-12 | Fujitsu Limited | Amplificateur optique, procede de commande de la source de lumiere d'excitation dans un amplificateur optique et procede de commande de l'amplificateur optique |
AU3858900A (en) * | 1999-02-16 | 2000-09-04 | Tyco Submarine Systems Ltd. | Method and apparatus for providing optical amplification and gain equalization to an optical signal in an optical communication system |
KR100319748B1 (ko) * | 1999-12-09 | 2002-01-09 | 오길록 | 출력 등화된 광대역 다채널 광섬유 레이저 |
EP1128504B8 (en) * | 2000-02-23 | 2009-08-12 | Fujitsu Limited | Optical amplifier |
WO2001064010A2 (en) * | 2000-03-03 | 2001-09-07 | Optical Technologies Italia S.P.A | Optical amplifier and optical transmission system |
JP2002009376A (ja) * | 2000-06-23 | 2002-01-11 | Furukawa Electric Co Ltd:The | 光増幅用光ファイバ |
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 |
US6636666B2 (en) | 2001-05-14 | 2003-10-21 | University Of Iowa Research Foundation | Optical power equalizer |
US6697193B1 (en) | 2001-06-06 | 2004-02-24 | Cisco Technology, Inc. | Shared variable gain amplifier for WDM channel equalization |
US6621626B1 (en) | 2001-12-05 | 2003-09-16 | Cisco Technology, Inc. | Modular optical amplifier structure for highly dense interleaved WDM systems |
US7054059B1 (en) | 2003-05-14 | 2006-05-30 | Cisco Technoloy, Inc. | Lumped Raman amplification structure for very wideband applications |
CN1642042A (zh) | 2004-01-15 | 2005-07-20 | 华为技术有限公司 | 光通信系统、子速率复用解复用装置及其方法 |
US7078323B2 (en) * | 2004-09-29 | 2006-07-18 | Sharp Laboratories Of America, Inc. | Digital light valve semiconductor processing |
US7286137B2 (en) * | 2005-02-28 | 2007-10-23 | Asml Holding N.V. | Method and system for constrained pixel graytones interpolation for pattern rasterization |
JP2009105080A (ja) * | 2006-01-04 | 2009-05-14 | Sumitomo Electric Ind Ltd | 増幅用光ファイバ |
RU2590889C2 (ru) * | 2012-03-23 | 2016-07-10 | Хуавэй Текнолоджиз Ко., Лтд. | Способ и устройство для обнаружения отношения оптического сигнала к шуму, узловое устройство и сетевая система |
RU2663179C2 (ru) * | 2017-01-09 | 2018-08-02 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет телекоммуникаций и информатики" (СибГУТИ) | Способ измерения отношения оптического сигнала к шуму при четырехволновом смешении в волоконно-оптических системах передачи с частотным разделением сигналов |
CN111829753A (zh) * | 2020-06-01 | 2020-10-27 | 杭州奥创光子技术有限公司 | 一种光纤放大器工作状态的监测装置 |
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US3731226A (en) * | 1971-11-10 | 1973-05-01 | American Optical Corp | Laser using phosphate base laser glass |
US4194807A (en) * | 1976-04-09 | 1980-03-25 | Georg Gliemeroth | Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle |
US4666247A (en) * | 1985-02-08 | 1987-05-19 | American Telephone And Telegraph Company, At&T Bell Laboratories | Multiconstituent optical fiber |
US5282079A (en) * | 1988-06-10 | 1994-01-25 | Pirelli General Plc | Optical fibre amplifier |
EP0411211B1 (en) * | 1989-08-04 | 1993-10-20 | Unilever N.V. | Oral compositions |
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 |
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. |
CA2051104C (en) * | 1990-02-05 | 1996-05-14 | Akira Oyobe | Quartz glass doped with rare earth element and production thereof |
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 |
GB9010943D0 (en) * | 1990-05-16 | 1990-07-04 | British Telecomm | Wave-guiding structure with lasing properties |
US5058976A (en) * | 1990-08-03 | 1991-10-22 | At&T Bell Laboratories | System comprising Er-doped optical fiber |
US5117303A (en) * | 1990-08-23 | 1992-05-26 | At&T Bell Laboratories | Method of operating concatenated optical amplifiers |
US5225922A (en) * | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
US5378664A (en) * | 1993-06-24 | 1995-01-03 | At&T Corp. | Optical fiber amplifier and a glass therefor |
US5406404A (en) * | 1993-11-02 | 1995-04-11 | At&T Corp. | Method of mitigating gain peaking using a chain of fiber amplifiers |
US5563979A (en) * | 1995-08-31 | 1996-10-08 | Lucent Technologies Inc. | Erbium-doped planar optical device |
-
1994
- 1994-04-14 IT ITMI940712A patent/IT1270032B/it active IP Right Grant
-
1995
- 1995-03-30 AU AU16200/95A patent/AU691570B2/en not_active Ceased
- 1995-03-31 NZ NZ270854A patent/NZ270854A/en unknown
- 1995-04-07 MY MYPI95000903A patent/MY130572A/en unknown
- 1995-04-11 EP EP95105411A patent/EP0677902B1/en not_active Expired - Lifetime
- 1995-04-11 DE DE69527325T patent/DE69527325T2/de not_active Expired - Fee Related
- 1995-04-11 AT AT95105411T patent/ATE220482T1/de active
- 1995-04-12 NO NO951446A patent/NO951446L/no not_active Application Discontinuation
- 1995-04-12 KR KR1019950008529A patent/KR950035162A/ko active IP Right Grant
- 1995-04-12 CZ CZ95939A patent/CZ93995A3/cs unknown
- 1995-04-12 BR BR9501362A patent/BR9501362A/pt unknown
- 1995-04-12 PL PL95331770A patent/PL177566B1/pl unknown
- 1995-04-12 TW TW084103584A patent/TW301087B/zh active
- 1995-04-12 PL PL95308104A patent/PL177262B1/pl unknown
- 1995-04-13 SK SK497-95A patent/SK49795A3/sk unknown
- 1995-04-13 CN CN95104213A patent/CN1084098C/zh not_active Expired - Fee Related
- 1995-04-13 FI FI951813A patent/FI951813A/fi unknown
- 1995-04-13 HU HU9501071A patent/HU216228B/hu not_active IP Right Cessation
- 1995-04-13 RU RU95105451A patent/RU2146853C1/ru active
- 1995-04-13 CA CA002147035A patent/CA2147035C/en not_active Expired - Fee Related
- 1995-04-14 JP JP7089603A patent/JPH0846592A/ja active Pending
- 1995-04-17 PE PE1995266500A patent/PE26096A1/es not_active Application Discontinuation
-
1997
- 1997-01-29 US US08/792,711 patent/US5808787A/en not_active Expired - Lifetime
- 1997-01-29 US US08/788,457 patent/US5748364A/en not_active Expired - Fee Related
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