DE69718004T2 - System mit einem optischen verstärker - Google Patents
System mit einem optischen verstärkerInfo
- Publication number
- DE69718004T2 DE69718004T2 DE69718004T DE69718004T DE69718004T2 DE 69718004 T2 DE69718004 T2 DE 69718004T2 DE 69718004 T DE69718004 T DE 69718004T DE 69718004 T DE69718004 T DE 69718004T DE 69718004 T2 DE69718004 T2 DE 69718004T2
- Authority
- DE
- Germany
- Prior art keywords
- feed
- amplifier
- input
- optical amplifier
- forward block
- 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
- 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
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
- H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
-
- 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
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Amplifiers (AREA)
- Glass Compositions (AREA)
- Burglar Alarm Systems (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603336A SE514609C2 (sv) | 1996-09-13 | 1996-09-13 | System och förfarande för reglering av uteffekten hos en optisk förstärkare |
PCT/SE1997/001536 WO1998011682A1 (en) | 1996-09-13 | 1997-09-11 | System with optical amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69718004D1 DE69718004D1 (de) | 2003-01-30 |
DE69718004T2 true DE69718004T2 (de) | 2003-05-15 |
Family
ID=20403871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69718004T Expired - Lifetime DE69718004T2 (de) | 1996-09-13 | 1997-09-11 | System mit einem optischen verstärker |
Country Status (12)
Country | Link |
---|---|
US (1) | US6246514B1 (de) |
EP (1) | EP0917774B1 (de) |
JP (1) | JP3790552B2 (de) |
CN (1) | CN1192522C (de) |
AT (1) | ATE230177T1 (de) |
AU (1) | AU4228097A (de) |
BR (1) | BR9711774B1 (de) |
DE (1) | DE69718004T2 (de) |
MY (1) | MY120130A (de) |
SE (1) | SE514609C2 (de) |
TW (1) | TW344919B (de) |
WO (1) | WO1998011682A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE512370C2 (sv) * | 1998-07-03 | 2000-03-06 | Ericsson Telefon Ab L M | Anordning och förfarande för att uppskatta total bruseffekt |
SE514253C2 (sv) * | 1998-07-17 | 2001-01-29 | Ericsson Telefon Ab L M | Förbättrad styrning av optiska fiberförstärkare |
US6366393B1 (en) * | 1999-08-25 | 2002-04-02 | Lucent Technologies Inc. | Fast gain control for optical amplifiers |
KR100326318B1 (ko) * | 2000-02-09 | 2002-03-08 | 윤종용 | 파장분할다중화 시스템용 광섬유 증폭기의 일시 과도 현상억제 장치 |
US6407854B1 (en) * | 2000-03-06 | 2002-06-18 | Ditech Corporation | Fiber amplifier with fast transient response and constant gain |
US6519081B2 (en) * | 2000-04-13 | 2003-02-11 | Corning Incorporated | Method of operating a noise-compensating gain controller for an optical amplifier |
DE10040790B4 (de) * | 2000-08-21 | 2004-03-04 | Siemens Ag | Regelverfahren und optische Datenübertragungsstrecke mit einer Vorrichtung zur Kompensation von Änderungen des SRS-bedingten Leistungsaustausches |
US6498677B1 (en) * | 2000-10-23 | 2002-12-24 | Onetta, Inc. | Optical amplifier systems with transient control |
US6542287B1 (en) * | 2000-12-12 | 2003-04-01 | Onetta, Inc. | Optical amplifier systems with transient control |
US6535330B1 (en) | 2001-03-31 | 2003-03-18 | Corning Incorporated | Dynamic controller for a multi-channel optical amplifier |
US6943937B2 (en) | 2001-05-17 | 2005-09-13 | Avanex Corporation | Optical amplifier performance controller and method of use |
US6603597B2 (en) * | 2001-06-08 | 2003-08-05 | Photon-X, Inc. | Dual mode programmable optical logarithmic amplifier driver |
US6687049B1 (en) * | 2001-07-03 | 2004-02-03 | Onetta, Inc. | Optical amplifiers with stable output power under low input power conditions |
US6757099B2 (en) * | 2001-08-15 | 2004-06-29 | Pts Corporation | Optical power transient control scheme for EDFA amplifiers |
US6690508B2 (en) * | 2002-03-26 | 2004-02-10 | Fujitsu Network Communications, Inc. | Control system and method for an optical amplifier |
WO2003084007A1 (fr) * | 2002-03-28 | 2003-10-09 | Fujitsu Limited | Dispositif optique a fonction de compensation de perte et amplificateur optique de compensation de perte |
KR100567317B1 (ko) * | 2002-05-07 | 2006-04-04 | 한국전자통신연구원 | 이득 제어를 위한 광섬유 증폭 방법 및 그 장치 |
US6606191B1 (en) | 2002-05-13 | 2003-08-12 | Corning Incorporated | Method for controlling performance of optical amplifiers |
US20040017603A1 (en) * | 2002-07-29 | 2004-01-29 | Paul Jay | Optical amplifier controller |
US7031050B2 (en) * | 2002-08-14 | 2006-04-18 | Tropic Networds Inc. | Method and system for precision cross-talk cancellation in optical amplifiers |
CN1318909C (zh) * | 2002-08-30 | 2007-05-30 | 住友电气工业株式会社 | 光放大器,光放大器的增益控制方法及电路 |
US6894832B1 (en) * | 2002-08-30 | 2005-05-17 | Nortel Networks Limited | Technique for adaptively controlling gain in an optical amplifier |
US6738185B2 (en) * | 2002-08-30 | 2004-05-18 | Sumitomo Electric Industries, Ltd. | Optical amplifier gain control method for optical amplifier and gain control circuit for optical amplifier |
US7068423B2 (en) * | 2002-11-26 | 2006-06-27 | Dowslake Microsystems Corporation | Low cost flexible automated optical power management |
US20040126107A1 (en) * | 2002-12-31 | 2004-07-01 | Intelligent Photonics Control Corporation | Optical control system |
JP4222855B2 (ja) * | 2003-03-05 | 2009-02-12 | 富士通株式会社 | 光増幅装置 |
CN1304899C (zh) * | 2003-09-15 | 2007-03-14 | 中兴通讯股份有限公司 | 一种实现在线光纤拉曼放大器增益自动控制的装置和方法 |
JP4198082B2 (ja) * | 2004-03-24 | 2008-12-17 | 富士通株式会社 | 光増幅器の利得モニタ方法および装置 |
US7317570B2 (en) | 2006-05-12 | 2008-01-08 | Bookham Technology Plc | Variable gain optical amplifiers |
US8995053B2 (en) * | 2006-12-28 | 2015-03-31 | Alcatel Lucent | Positive optical amplifier power transient suppression |
WO2009022409A1 (ja) * | 2007-08-14 | 2009-02-19 | Fujitsu Limited | 光増幅器 |
CN101158796B (zh) * | 2007-10-22 | 2011-06-22 | 中兴通讯股份有限公司 | Edfa瞬态抑制方法和系统 |
TWI365309B (en) * | 2008-03-11 | 2012-06-01 | Univ Nat Chiao Tung | Optical amplifier with tunable time of optical signal |
CN101599803B (zh) * | 2008-06-05 | 2012-08-29 | 昂纳信息技术(深圳)有限公司 | 一种光放大器的自适应前馈控制装置和方法 |
US8908264B2 (en) | 2010-08-31 | 2014-12-09 | Jds Uniphase Corporation | Reducing transients in an optical amplifier |
CN103607243B (zh) * | 2013-09-30 | 2016-08-17 | 武汉光迅科技股份有限公司 | 一种不区分模式的前馈控制方法和装置 |
JP6303222B2 (ja) * | 2013-11-29 | 2018-04-04 | 住友電工デバイス・イノベーション株式会社 | 光受信器および光受信モジュール |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3116262A1 (de) * | 1981-04-24 | 1982-11-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "schaltungsanordnung zur erzeugung von steuergroessen aus dem schleifenstrom" |
US4991229A (en) * | 1989-04-03 | 1991-02-05 | Honeywell Inc. | Optical transmitter power measurement and control |
US4918396A (en) | 1989-04-05 | 1990-04-17 | At&T Bell Laboratories | Monitoring and/or control of optical amplifiers |
JP3110805B2 (ja) * | 1991-07-01 | 2000-11-20 | 富士通株式会社 | 光中継システム |
JP2616293B2 (ja) * | 1991-08-29 | 1997-06-04 | 日本電気株式会社 | 光ファイバ増幅器 |
JPH0621897A (ja) * | 1992-07-01 | 1994-01-28 | Nippon Telegr & Teleph Corp <Ntt> | 波長多重光増幅中継伝送システムおよび光増幅中継器 |
JPH0816761B2 (ja) * | 1993-04-13 | 1996-02-21 | 日本電気株式会社 | 光増幅器制御回路 |
GB2280561B (en) | 1993-07-31 | 1997-03-26 | Northern Telecom Ltd | Optical transmission system |
JPH07248841A (ja) * | 1994-03-09 | 1995-09-26 | Mitsubishi Electric Corp | 非線形関数発生装置およびフォーマット変換装置 |
JP3268135B2 (ja) * | 1994-09-06 | 2002-03-25 | 株式会社日立国際電気 | 無線機 |
JP3379052B2 (ja) * | 1994-09-26 | 2003-02-17 | 富士通株式会社 | 波長多重光増幅装置及び光波長多重伝送システム及び光波長多重伝送方法 |
JPH08264871A (ja) * | 1995-03-20 | 1996-10-11 | Fujitsu Ltd | 多波長一括光増幅装置 |
JP2687933B2 (ja) * | 1995-06-09 | 1997-12-08 | 日本電気株式会社 | 光直接増幅器 |
JPH0993202A (ja) * | 1995-09-21 | 1997-04-04 | Fujitsu Ltd | 双方向光増幅回路 |
-
1996
- 1996-09-13 SE SE9603336A patent/SE514609C2/sv not_active IP Right Cessation
-
1997
- 1997-09-11 WO PCT/SE1997/001536 patent/WO1998011682A1/en active IP Right Grant
- 1997-09-11 JP JP51357398A patent/JP3790552B2/ja not_active Expired - Lifetime
- 1997-09-11 DE DE69718004T patent/DE69718004T2/de not_active Expired - Lifetime
- 1997-09-11 AU AU42280/97A patent/AU4228097A/en not_active Abandoned
- 1997-09-11 CN CNB971995621A patent/CN1192522C/zh not_active Expired - Lifetime
- 1997-09-11 EP EP97940520A patent/EP0917774B1/de not_active Expired - Lifetime
- 1997-09-11 BR BRPI9711774-9A patent/BR9711774B1/pt not_active IP Right Cessation
- 1997-09-11 US US09/254,713 patent/US6246514B1/en not_active Expired - Lifetime
- 1997-09-11 AT AT97940520T patent/ATE230177T1/de not_active IP Right Cessation
- 1997-09-12 TW TW086113271A patent/TW344919B/zh not_active IP Right Cessation
- 1997-09-13 MY MYPI97004266A patent/MY120130A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE69718004D1 (de) | 2003-01-30 |
SE9603336L (sv) | 1998-03-14 |
ATE230177T1 (de) | 2003-01-15 |
JP2001500337A (ja) | 2001-01-09 |
TW344919B (en) | 1998-11-11 |
CN1192522C (zh) | 2005-03-09 |
MY120130A (en) | 2005-09-30 |
SE514609C2 (sv) | 2001-03-19 |
EP0917774A2 (de) | 1999-05-26 |
EP0917774B1 (de) | 2002-12-18 |
BR9711774B1 (pt) | 2008-11-18 |
AU4228097A (en) | 1998-04-02 |
US6246514B1 (en) | 2001-06-12 |
CN1237293A (zh) | 1999-12-01 |
SE9603336D0 (sv) | 1996-09-13 |
WO1998011682A1 (en) | 1998-03-19 |
BR9711774A (pt) | 1999-08-24 |
JP3790552B2 (ja) | 2006-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |