SK93995A3 - Optical telecommunication system and optical amplifier - Google Patents

Optical telecommunication system and optical amplifier

Info

Publication number
SK93995A3
SK93995A3 SK939-95A SK93995A SK93995A3 SK 93995 A3 SK93995 A3 SK 93995A3 SK 93995 A SK93995 A SK 93995A SK 93995 A3 SK93995 A3 SK 93995A3
Authority
SK
Slovakia
Prior art keywords
optical
telecommunication system
amplifier
optical amplifier
optical telecommunication
Prior art date
Application number
SK939-95A
Other languages
English (en)
Inventor
Fausto Meli
Stefano Piciaccia
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 ITMI951535 external-priority patent/IT1275553B/it
Application filed by Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of SK93995A3 publication Critical patent/SK93995A3/sk

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
    • 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
    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
SK939-95A 1994-07-25 1995-07-25 Optical telecommunication system and optical amplifier SK93995A3 (en)

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
ITMI951535 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
SK93995A3 true SK93995A3 (en) 1996-05-08

Family

ID=26331176

Family Applications (1)

Application Number Title Priority Date Filing Date
SK939-95A SK93995A3 (en) 1994-07-25 1995-07-25 Optical telecommunication system and optical amplifier

Country Status (18)

Country Link
US (1) US5701194A (sk)
EP (1) EP0695050A1 (sk)
JP (1) JPH08195734A (sk)
KR (1) KR960006370A (sk)
CN (1) CN1083651C (sk)
AU (1) AU699315B2 (sk)
BR (1) BR9502404A (sk)
CA (1) CA2154632A1 (sk)
CZ (1) CZ192395A3 (sk)
FI (1) FI953545A (sk)
HU (1) HU216564B (sk)
MY (1) MY134808A (sk)
NO (1) NO952928L (sk)
NZ (1) NZ272643A (sk)
PE (1) PE41196A1 (sk)
PL (2) PL178951B1 (sk)
RU (1) RU2140131C1 (sk)
SK (1) SK93995A3 (sk)

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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
US6369938B1 (en) 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
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IT1283373B1 (it) 1996-07-31 1998-04-17 Pirelli Cavi S P A Ora Pirelli Sistema di telecomunicazione ottica multicanale bidirezionale
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
JP2000505954A (ja) * 1996-12-20 2000-05-16 シーメンス アクチエンゲゼルシヤフト 波長多重動作用の光ファイバ増幅器
US5900969A (en) * 1997-02-14 1999-05-04 Lucent Technologies Inc. Broadband flat gain optical amplifier
KR100326039B1 (ko) * 1997-06-30 2002-09-05 삼성전자 주식회사 흡수체를갖는광증폭기
WO1999000924A1 (en) * 1997-06-30 1999-01-07 Uniphase Telecommunications Products, Inc. Dynamic optical amplifier
US6151157A (en) * 1997-06-30 2000-11-21 Uniphase Telecommunications Products, Inc. Dynamic optical amplifier
KR19990005152A (ko) * 1997-06-30 1999-01-25 윤종용 저잡음 특성을 갖는 광섬유증폭기
AU8802498A (en) 1997-08-01 1999-02-22 Pirelli Cavi E Sistemi S.P.A. Multi-band amplification system for dense wavelength division multiplexing
JP3992811B2 (ja) * 1997-08-01 2007-10-17 富士通株式会社 光伝送システム及び送信端局
NZ330998A (en) * 1997-08-23 2000-01-28 Pirelli Cavi E Sistemi Spa Optical fibre amplifier with twin couplers for multimode pump laser, multimode scrambler between couplers
US6025941A (en) * 1997-09-15 2000-02-15 Lucent Technologies Inc. Stable wavelength division multiplex ring network
KR100280968B1 (ko) 1997-12-10 2001-02-01 윤종용 동기화된에탈론필터를이용한광섬유증폭기
WO1999043117A2 (en) * 1998-02-20 1999-08-26 Sdl, Inc. Upgradable, gain flattened fiber amplifiers for wdm applications
US6603596B2 (en) 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
KR20010042315A (ko) * 1998-03-31 2001-05-25 알프레드 엘. 미첼슨 이득이 평탄화된 개선된 성능의 에르븀 도프 섬유 증폭기
US5978131A (en) * 1998-04-07 1999-11-02 Institut National D'optique In-fiber two-stage amplifier providing WDM signal conditioning
US6091869A (en) * 1998-04-30 2000-07-18 Telefonaktiebolaget Lm Ericsson Low loss, optical add/drop WDM node
US6545799B1 (en) 1998-09-02 2003-04-08 Corning Incorporated Method and apparatus for optical system link control
US6141142A (en) * 1999-02-19 2000-10-31 Lucent Technologies Inc. Article comprising an L-Band optical fiber amplifier
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
US6584246B1 (en) * 2000-07-05 2003-06-24 Litton Systems, Inc. Source, system and method for generating amplified stimulated emission using a coupler mechanism
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
US6980747B1 (en) 2000-11-28 2005-12-27 Harris Corporation Optically amplified receiver
US6560257B1 (en) 2000-11-28 2003-05-06 Harris Corporation Low power laser driver
US6542277B2 (en) 2000-12-11 2003-04-01 Harris Corporation Optically amplified back-up receiver
US6748179B2 (en) 2001-03-07 2004-06-08 Harris Corporation WDM channel monitoring system and method
US6545798B2 (en) * 2001-04-09 2003-04-08 Corning Incorporated Thermal ripple-compensating, gain-flattening filter for an optical amplifier
US6525869B1 (en) * 2001-04-30 2003-02-25 Nortel Networks Limited Raman amplifier
US6943937B2 (en) * 2001-05-17 2005-09-13 Avanex Corporation Optical amplifier performance controller and method of use
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
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
US7916385B2 (en) * 2007-03-23 2011-03-29 Alphion Corporation Apparatus and methods for optical communication
WO2008125142A1 (en) * 2007-04-13 2008-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Optical signal amplifier, method of optical amplification and optical network
US20090059352A1 (en) * 2007-08-30 2009-03-05 Furukawa Electric North America, Inc. Method and arrangement for mitigating bend distortion impact in a fiber amplifier or laser
RU2516007C2 (ru) * 2012-08-10 2014-05-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС") Приемник оптических излучений
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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Also Published As

Publication number Publication date
NZ272643A (en) 1998-02-26
JPH08195734A (ja) 1996-07-30
KR960006370A (ko) 1996-02-23
FI953545A (fi) 1996-01-26
CZ192395A3 (en) 1996-02-14
AU2718595A (en) 1996-02-08
PE41196A1 (es) 1996-12-17
NO952928D0 (no) 1995-07-24
CN1124425A (zh) 1996-06-12
EP0695050A1 (en) 1996-01-31
FI953545A0 (fi) 1995-07-24
BR9502404A (pt) 1996-06-25
RU2140131C1 (ru) 1999-10-20
NO952928L (no) 1996-01-26
PL177762B1 (pl) 2000-01-31
HU9502216D0 (en) 1995-09-28
HUT72802A (en) 1996-05-28
PL178951B1 (pl) 2000-07-31
AU699315B2 (en) 1998-12-03
PL309765A1 (en) 1996-02-05
CN1083651C (zh) 2002-04-24
CA2154632A1 (en) 1996-01-26
US5701194A (en) 1997-12-23
HU216564B (hu) 1999-07-28
MY134808A (en) 2007-12-31

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