BR9711774B1 - sistema àptico e processo para regular a potÊncia de saÍda de um amplificador àptico. - Google Patents
sistema àptico e processo para regular a potÊncia de saÍda de um amplificador àptico.Info
- Publication number
- BR9711774B1 BR9711774B1 BRPI9711774-9A BR9711774A BR9711774B1 BR 9711774 B1 BR9711774 B1 BR 9711774B1 BR 9711774 A BR9711774 A BR 9711774A BR 9711774 B1 BR9711774 B1 BR 9711774B1
- Authority
- BR
- Brazil
- Prior art keywords
- regulating
- amplifier
- optical
- feed
- output power
- Prior art date
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 |
---|---|
BR9711774A BR9711774A (pt) | 1999-08-24 |
BR9711774B1 true BR9711774B1 (pt) | 2008-11-18 |
Family
ID=20403871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9711774-9A BR9711774B1 (pt) | 1996-09-13 | 1997-09-11 | sistema àptico e processo para regular a potÊncia de saÍda de um amplificador àptico. |
Country Status (12)
Country | Link |
---|---|
US (1) | US6246514B1 (pt) |
EP (1) | EP0917774B1 (pt) |
JP (1) | JP3790552B2 (pt) |
CN (1) | CN1192522C (pt) |
AT (1) | ATE230177T1 (pt) |
AU (1) | AU4228097A (pt) |
BR (1) | BR9711774B1 (pt) |
DE (1) | DE69718004T2 (pt) |
MY (1) | MY120130A (pt) |
SE (1) | SE514609C2 (pt) |
TW (1) | TW344919B (pt) |
WO (1) | WO1998011682A1 (pt) |
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 |
JP3848327B2 (ja) * | 2002-03-28 | 2006-11-22 | 富士通株式会社 | 損失補償機能を備えた光学装置および損失補償用の光増幅器 |
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 |
US6894832B1 (en) * | 2002-08-30 | 2005-05-17 | Nortel Networks Limited | Technique for adaptively controlling gain in an optical amplifier |
JP4126994B2 (ja) * | 2002-08-30 | 2008-07-30 | 住友電気工業株式会社 | 光増幅器、光増幅器の利得制御方法、及び光増幅器の利得制御回路 |
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 |
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 |
JP5163650B2 (ja) * | 2007-08-14 | 2013-03-13 | 富士通株式会社 | 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 DE DE69718004T patent/DE69718004T2/de not_active Expired - Lifetime
- 1997-09-11 BR BRPI9711774-9A patent/BR9711774B1/pt not_active IP Right Cessation
- 1997-09-11 AT AT97940520T patent/ATE230177T1/de not_active IP Right Cessation
- 1997-09-11 AU AU42280/97A patent/AU4228097A/en not_active Abandoned
- 1997-09-11 WO PCT/SE1997/001536 patent/WO1998011682A1/en active IP Right Grant
- 1997-09-11 US US09/254,713 patent/US6246514B1/en not_active Expired - Lifetime
- 1997-09-11 EP EP97940520A patent/EP0917774B1/en not_active Expired - Lifetime
- 1997-09-11 JP JP51357398A patent/JP3790552B2/ja not_active Expired - Lifetime
- 1997-09-11 CN CNB971995621A patent/CN1192522C/zh not_active Expired - Lifetime
- 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 |
---|---|
ATE230177T1 (de) | 2003-01-15 |
US6246514B1 (en) | 2001-06-12 |
TW344919B (en) | 1998-11-11 |
EP0917774B1 (en) | 2002-12-18 |
DE69718004D1 (de) | 2003-01-30 |
SE9603336D0 (sv) | 1996-09-13 |
WO1998011682A1 (en) | 1998-03-19 |
JP3790552B2 (ja) | 2006-06-28 |
SE514609C2 (sv) | 2001-03-19 |
CN1237293A (zh) | 1999-12-01 |
JP2001500337A (ja) | 2001-01-09 |
MY120130A (en) | 2005-09-30 |
DE69718004T2 (de) | 2003-05-15 |
SE9603336L (sv) | 1998-03-14 |
AU4228097A (en) | 1998-04-02 |
BR9711774A (pt) | 1999-08-24 |
EP0917774A2 (en) | 1999-05-26 |
CN1192522C (zh) | 2005-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 18/11/2008, OBSERVADAS AS CONDICOES LEGAIS. |
|
B15K | Others concerning applications: alteration of classification |
Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA H04B 10/17. Ipc: H04B 10/296 (2013.01), H01S 3/13 (2006.01), H04B 1 Ipc: H04B 10/296 (2013.01), H01S 3/13 (2006.01), H04B 1 |
|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 18.11.2018 |