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BR9502404A - Sistema de telecomunicaçao óptica amplificada por multiplexaçao por divisao de comprimento de onda com limitaçao das variaçoes de potência de saída - Google Patents

Sistema de telecomunicaçao óptica amplificada por multiplexaçao por divisao de comprimento de onda com limitaçao das variaçoes de potência de saída

Info

Publication number
BR9502404A
BR9502404A BR9502404A BR9502404A BR9502404A BR 9502404 A BR9502404 A BR 9502404A BR 9502404 A BR9502404 A BR 9502404A BR 9502404 A BR9502404 A BR 9502404A BR 9502404 A BR9502404 A BR 9502404A
Authority
BR
Brazil
Prior art keywords
multiplexing
division
wavelength
limitation
variations
Prior art date
Application number
BR9502404A
Other languages
English (en)
Inventor
Fausto Meli
Original Assignee
Pirelli Cavi Spa
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
Priority claimed from ITMI941574A external-priority patent/IT1273677B/it
Priority claimed from IT95MI001535 external-priority patent/IT1275553B/it
Application filed by Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of BR9502404A publication Critical patent/BR9502404A/pt

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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • 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
    • H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
    • 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
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/506—Multiwavelength transmitters
    • 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
    • H04B10/50—Transmitters
    • H04B10/564—Power control
    • 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
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers
    • 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
    • H01S2301/06—Gain non-linearity, distortion; Compensation thereof
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
BR9502404A 1994-07-25 1995-07-25 Sistema de telecomunicaçao óptica amplificada por multiplexaçao por divisao de comprimento de onda com limitaçao das variaçoes de potência de saída BR9502404A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI941574A IT1273677B (it) 1994-07-25 1994-07-25 Sistema di telecomunicazione ottica amplificata a multiplazione a divisione di lunghezza d'onda con limitazione delle variazioni di potenza di uscita
IT95MI001535 IT1275553B (it) 1995-07-14 1995-07-14 Sistema di telecomunicazione ottica amplificata a multiplazione a divisione di lunghezza d'onda con limitazione delle variazioni di potenza di uscita

Publications (1)

Publication Number Publication Date
BR9502404A true BR9502404A (pt) 1996-06-25

Family

ID=26331176

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9502404A BR9502404A (pt) 1994-07-25 1995-07-25 Sistema de telecomunicaçao óptica amplificada por multiplexaçao por divisao de comprimento de onda com limitaçao das variaçoes de potência de saída

Country Status (18)

Country Link
US (1) US5701194A (pt)
EP (1) EP0695050A1 (pt)
JP (1) JPH08195734A (pt)
KR (1) KR960006370A (pt)
CN (1) CN1083651C (pt)
AU (1) AU699315B2 (pt)
BR (1) BR9502404A (pt)
CA (1) CA2154632A1 (pt)
CZ (1) CZ192395A3 (pt)
FI (1) FI953545L (pt)
HU (1) HU216564B (pt)
MY (1) MY134808A (pt)
NO (1) NO952928L (pt)
NZ (1) NZ272643A (pt)
PE (1) PE41196A1 (pt)
PL (2) PL177762B1 (pt)
RU (1) RU2140131C1 (pt)
SK (1) SK93995A3 (pt)

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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
US6212310B1 (en) * 1996-10-22 2001-04-03 Sdl, Inc. High power fiber gain media system achieved through power scaling via multiplexing
RU98117454A (ru) * 1996-12-20 2000-07-20 Сименс Акциенгезелльшафт (DE) Оптический волоконный усилитель для работы с уплотнением каналов по длинам волн
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US6091869A (en) * 1998-04-30 2000-07-18 Telefonaktiebolaget Lm Ericsson Low loss, optical add/drop WDM node
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WO2000070380A1 (fr) * 1999-05-14 2000-11-23 Fujitsu Limited Dispositif optique, appareil de station terminale et systeme de multiplexage par repartition en longueur d'onde
US6563628B2 (en) * 2000-02-25 2003-05-13 Fujikura Ltd. Gain tilt free optical fiber amplifier in a wide dynamic gain range
JP4664513B2 (ja) * 2000-04-11 2011-04-06 株式会社アドバンテスト 広帯域光増幅器及び広帯域可変波長光源
JP2001324646A (ja) * 2000-05-16 2001-11-22 Yutaka Sasaki 光増幅機能を有するａｄｄ−ｄｒｏｐマルチプレクサ
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US6545798B2 (en) * 2001-04-09 2003-04-08 Corning Incorporated Thermal ripple-compensating, gain-flattening filter for an optical amplifier
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US11233372B2 (en) * 2019-06-25 2022-01-25 Lumentum Operations Llc Femtosecond pulse stretching fiber oscillator
CN111327353B (zh) * 2020-03-10 2022-04-08 航天恒星科技有限公司 支持超长距离传输的射频链路、设计方法及装置、存储介质
CN114696188A (zh) 2020-12-30 2022-07-01 华为技术有限公司 光信号放大装置及相关光通信设备
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CN119958820B (zh) * 2025-03-10 2026-01-30 深圳市强生光电科技有限公司 一种大功率激光器老化在线测试系统及方法

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Also Published As

Publication number Publication date
FI953545A7 (fi) 1996-01-26
NZ272643A (en) 1998-02-26
HU216564B (hu) 1999-07-28
CN1083651C (zh) 2002-04-24
FI953545L (fi) 1996-01-26
PL309765A1 (en) 1996-02-05
CA2154632A1 (en) 1996-01-26
SK93995A3 (en) 1996-05-08
AU2718595A (en) 1996-02-08
MY134808A (en) 2007-12-31
JPH08195734A (ja) 1996-07-30
KR960006370A (ko) 1996-02-23
PL178951B1 (pl) 2000-07-31
FI953545A0 (fi) 1995-07-24
HUT72802A (en) 1996-05-28
CZ192395A3 (en) 1996-02-14
AU699315B2 (en) 1998-12-03
NO952928L (no) 1996-01-26
NO952928D0 (no) 1995-07-24
PE41196A1 (es) 1996-12-17
US5701194A (en) 1997-12-23
HU9502216D0 (en) 1995-09-28
PL177762B1 (pl) 2000-01-31
CN1124425A (zh) 1996-06-12
EP0695050A1 (en) 1996-01-31
RU2140131C1 (ru) 1999-10-20

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]