CN1136680C - 具有动态增益均衡的输入独立无倾斜宽带放大器 - Google Patents
具有动态增益均衡的输入独立无倾斜宽带放大器 Download PDFInfo
- Publication number
- CN1136680C CN1136680C CNB008008116A CN00800811A CN1136680C CN 1136680 C CN1136680 C CN 1136680C CN B008008116 A CNB008008116 A CN B008008116A CN 00800811 A CN00800811 A CN 00800811A CN 1136680 C CN1136680 C CN 1136680C
- Authority
- CN
- China
- Prior art keywords
- amplifier
- gain
- signal
- control circuit
- level
- 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 - Fee Related
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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
- H04B10/2942—Signal power control in a multiwavelength system, e.g. gain equalisation using automatic gain control [AGC]
-
- 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
- H01S3/06758—Tandem amplifiers
-
- 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
- H04B10/2912—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
- H01S3/10—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
-
- 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
-
- 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
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/307,704 US6215584B1 (en) | 1999-05-10 | 1999-05-10 | Input independent tilt free actively gain flattened broadband amplifier |
US09/307,704 | 1999-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1304596A CN1304596A (zh) | 2001-07-18 |
CN1136680C true CN1136680C (zh) | 2004-01-28 |
Family
ID=23190864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008008116A Expired - Fee Related CN1136680C (zh) | 1999-05-10 | 2000-05-09 | 具有动态增益均衡的输入独立无倾斜宽带放大器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6215584B1 (zh) |
EP (1) | EP1095474A1 (zh) |
JP (1) | JP2002544710A (zh) |
CN (1) | CN1136680C (zh) |
AU (1) | AU4902300A (zh) |
CA (1) | CA2334890C (zh) |
WO (1) | WO2000069099A1 (zh) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2314714B (en) * | 1996-06-26 | 2000-04-05 | Northern Telecom Ltd | Optical amplifier modules |
DE19838788A1 (de) * | 1998-08-26 | 2000-03-09 | Siemens Ag | Geregelter optischer Verstärker |
EP1130802A1 (en) * | 2000-03-02 | 2001-09-05 | Telefonaktiebolaget Lm Ericsson | Power stabilisation in an optical communication system |
US6519081B2 (en) * | 2000-04-13 | 2003-02-11 | Corning Incorporated | Method of operating a noise-compensating gain controller for an optical amplifier |
US6441953B1 (en) * | 2000-04-24 | 2002-08-27 | Corning Incorporated | L band multistage amplifier with improved noise figure |
JP3938270B2 (ja) * | 2000-06-29 | 2007-06-27 | 三菱電機株式会社 | 光中継増幅装置 |
KR100340203B1 (ko) * | 2000-09-19 | 2002-06-15 | 오길록 | 파장분할 다중화 방식 광전송 시스템의 광성능 감시장치 |
US6900931B1 (en) * | 2000-10-02 | 2005-05-31 | Ciena Corporation | Three-stage optical amplifier having flat spectral gain |
US6611371B2 (en) * | 2001-03-16 | 2003-08-26 | Corning Incorporated | Single parameter gain slope adjuster for an optical system |
WO2002080318A1 (en) * | 2001-03-31 | 2002-10-10 | Corning Incorporated | Noise-compensating gain controller for an optical amplifier |
US6600596B2 (en) * | 2001-05-09 | 2003-07-29 | Ciena Corporation | Method and system for controlling amplifier power in an optical communications network having add/drop capability |
US6690506B2 (en) * | 2001-05-17 | 2004-02-10 | Corning Incorporated | Control architecture and method for optical amplifiers |
US6943937B2 (en) * | 2001-05-17 | 2005-09-13 | Avanex Corporation | Optical amplifier performance controller and method of use |
US20020186458A1 (en) * | 2001-06-08 | 2002-12-12 | Photon-X, Inc. | Dynamically controlled optical amplifier module |
US6751014B2 (en) * | 2001-06-19 | 2004-06-15 | International Business Machines Corporation | Automatic gain control and dynamic equalization of erbium doped optical amplifiers in wavelength multiplexing networks |
US6757099B2 (en) * | 2001-08-15 | 2004-06-29 | Pts Corporation | Optical power transient control scheme for EDFA amplifiers |
US20030067670A1 (en) * | 2001-10-04 | 2003-04-10 | Lacra Pavel | Dynamic optical spectral control scheme for optical amplifier sites |
GB0124258D0 (en) * | 2001-10-09 | 2001-11-28 | Marconi Comm Ltd | Optical amplifier control in WDM communications systems |
JP2003124881A (ja) * | 2001-10-15 | 2003-04-25 | Fujitsu Ltd | 光伝送装置および光伝送システム |
KR100398361B1 (ko) | 2001-11-22 | 2003-09-19 | 한국전자통신연구원 | 입력 광신호 필터링을 이용한 어븀첨가 광섬유 증폭기 |
KR100567317B1 (ko) * | 2002-05-07 | 2006-04-04 | 한국전자통신연구원 | 이득 제어를 위한 광섬유 증폭 방법 및 그 장치 |
AU2003244981A1 (en) * | 2002-07-11 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Optical receiver circuit |
US20040126119A1 (en) * | 2002-08-20 | 2004-07-01 | Evangelides Stephen G. | Method and apparatus for providing a terminal independent interface between a terrestrial optical terminal and an undersea optical transmission path |
US20040096215A1 (en) * | 2002-08-20 | 2004-05-20 | Evangelides Stephen G. | Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission path |
US20040096214A1 (en) * | 2002-08-20 | 2004-05-20 | Red Sky Systems, Inc. | Method and apparatus for using optical idler tones for performance monitoring in a WDM optical transmission system |
IL152193A (en) | 2002-10-09 | 2008-03-20 | Eci Telecom Ltd | Two stage optical amplifier |
DE10255165B4 (de) * | 2002-11-27 | 2008-04-24 | Deutsche Telekom Ag | Verfahren und Vorrichtung zum Auskoppeln von Monitorsignalen aus einer Nachrichtenübertragungsstrecke sowie Nachrichtenübertragungsstrecke |
CN1305242C (zh) * | 2002-11-29 | 2007-03-14 | 清华大学 | 波分复用系统信道功率动态均衡的方法及其均衡光放大器 |
KR100526560B1 (ko) * | 2002-12-07 | 2005-11-03 | 삼성전자주식회사 | 자동파워조절 기능을 갖는 광섬유 증폭기 및 그 자동 파워조절 방법 |
US20040197105A1 (en) * | 2003-02-14 | 2004-10-07 | Jds Uniphase Corporation | Variable gain multi-stage optical amplifier |
GB2398922A (en) * | 2003-02-26 | 2004-09-01 | Bookham Technology Plc | Optical amplifiers |
CN100393015C (zh) * | 2003-03-08 | 2008-06-04 | 中兴通讯股份有限公司 | 多波长光源的产生装置及使用其检测光放大器的方法 |
US7009761B2 (en) * | 2003-05-29 | 2006-03-07 | Fujitsu Limited | Power tilt compensation using automatic power balance control |
US20050013610A1 (en) * | 2003-07-16 | 2005-01-20 | Evangelides Stephen G. | Optical performance monitoring between terminal equipment and an optical interface to an optical submarine transmission line |
US20050232634A1 (en) * | 2004-03-29 | 2005-10-20 | Evangelides Stephen G Jr | Undersea optical transmission system employing low power consumption optical amplifiers |
GB0413017D0 (en) * | 2004-06-10 | 2004-07-14 | Bookham Technology Plc | Optical amplifiers |
US20080050121A1 (en) * | 2004-06-17 | 2008-02-28 | Evangelides Stephen G | Submarine optical transmission systems having optical amplifiers of unitary design |
JP4769443B2 (ja) * | 2004-09-16 | 2011-09-07 | 富士通株式会社 | 光増幅装置の制御装置及び制御方法 |
DE502006004077D1 (de) * | 2005-07-07 | 2009-08-06 | Nokia Siemens Networks Gmbh | Mehrstufiger faserverstärker und verfahren zur anpverstärkers |
JP4940668B2 (ja) * | 2006-01-20 | 2012-05-30 | 富士通株式会社 | 音響光学型チューナブルフィルタ制御装置および光制御方法 |
US7797366B2 (en) * | 2006-02-15 | 2010-09-14 | Qualcomm Incorporated | Power-efficient sign extension for booth multiplication methods and systems |
JP2009147102A (ja) | 2007-12-14 | 2009-07-02 | Tecdia Kk | 光通信用デバイスの制御方式及び光通信用デバイスの制御方法 |
CN102113246A (zh) * | 2008-07-28 | 2011-06-29 | 爱立信电话股份有限公司 | 光网络节点中的信道功率控制 |
US20100175526A1 (en) * | 2008-10-09 | 2010-07-15 | Making Memories | Hands free pattern creating device |
CN102598549B (zh) * | 2009-09-04 | 2015-02-25 | 骁阳网络有限公司 | 包括嵌入式滤波器的光纤放大器和具有改进前馈控制性能的控制方法 |
JP5584143B2 (ja) * | 2011-01-11 | 2014-09-03 | 日本電信電話株式会社 | 光増幅器 |
WO2013097123A1 (zh) * | 2011-12-28 | 2013-07-04 | 华为技术有限公司 | 光线路终端及其处理放大自发辐射的方法 |
CN105164942B (zh) * | 2013-05-03 | 2017-10-17 | 华为技术有限公司 | 用于分配入射功率给物理上耦合的光纤跨段的方法 |
US20150085352A1 (en) * | 2013-09-20 | 2015-03-26 | Alcatel-Lucent Usa Inc. | Optical amplifier for space-division multiplexing |
WO2015061961A1 (zh) * | 2013-10-29 | 2015-05-07 | 华为技术有限公司 | 一种输入信号自动调整的设备、方法及装置 |
JP6248551B2 (ja) * | 2013-11-05 | 2017-12-20 | 富士通株式会社 | 光伝送システム及び光伝送装置 |
CN105471508A (zh) * | 2015-12-30 | 2016-04-06 | 桂林创研科技有限公司 | 一种光放大系统 |
CN110945801B (zh) * | 2018-03-09 | 2021-11-19 | 华为技术有限公司 | 光纤放大器及光纤放大器的增益调节方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08248455A (ja) * | 1995-03-09 | 1996-09-27 | Fujitsu Ltd | 波長多重用光増幅器 |
JP3618008B2 (ja) | 1995-03-17 | 2005-02-09 | 富士通株式会社 | 光増幅器 |
JP3730299B2 (ja) | 1996-02-07 | 2005-12-21 | 富士通株式会社 | 光等化増幅器および光等化増幅方法 |
JPH09219696A (ja) | 1996-02-14 | 1997-08-19 | Nippon Telegr & Teleph Corp <Ntt> | 光増幅装置 |
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 |
JPH09321701A (ja) * | 1996-05-31 | 1997-12-12 | Fujitsu Ltd | 光通信システム及び光増幅器 |
JPH11275021A (ja) * | 1998-03-20 | 1999-10-08 | Fujitsu Ltd | 光増幅装置 |
US6061171A (en) * | 1998-05-22 | 2000-05-09 | Ciena Corporation | Optical amplifier having a variable attenuator controlled based on input power |
-
1999
- 1999-05-10 US US09/307,704 patent/US6215584B1/en not_active Expired - Lifetime
-
2000
- 2000-05-09 EP EP00930894A patent/EP1095474A1/en not_active Withdrawn
- 2000-05-09 JP JP2000617583A patent/JP2002544710A/ja active Pending
- 2000-05-09 CN CNB008008116A patent/CN1136680C/zh not_active Expired - Fee Related
- 2000-05-09 CA CA002334890A patent/CA2334890C/en not_active Expired - Lifetime
- 2000-05-09 WO PCT/CA2000/000537 patent/WO2000069099A1/en active Application Filing
- 2000-05-09 AU AU49023/00A patent/AU4902300A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1095474A1 (en) | 2001-05-02 |
CN1304596A (zh) | 2001-07-18 |
WO2000069099A1 (en) | 2000-11-16 |
JP2002544710A (ja) | 2002-12-24 |
US6215584B1 (en) | 2001-04-10 |
AU4902300A (en) | 2000-11-21 |
CA2334890C (en) | 2005-01-25 |
CA2334890A1 (en) | 2000-11-16 |
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