DE69942627D1 - Verstärkungs- und Pegelregelungen von optischen Verstärkern in Kaskade - Google Patents
Verstärkungs- und Pegelregelungen von optischen Verstärkern in KaskadeInfo
- Publication number
- DE69942627D1 DE69942627D1 DE69942627T DE69942627T DE69942627D1 DE 69942627 D1 DE69942627 D1 DE 69942627D1 DE 69942627 T DE69942627 T DE 69942627T DE 69942627 T DE69942627 T DE 69942627T DE 69942627 D1 DE69942627 D1 DE 69942627D1
- Authority
- DE
- Germany
- Prior art keywords
- cascade
- amplification
- level control
- optical amplifiers
- amplifiers
- 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
- H04B10/2942—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
-
- 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
- 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
- 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
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
- H01S3/1003—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors tunable optical elements, e.g. acousto-optic filters, tunable gratings
-
- 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
- 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
- H01S3/1305—Feedback control systems
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7025198 | 1998-03-19 | ||
JP25811498 | 1998-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69942627D1 true DE69942627D1 (de) | 2010-09-09 |
Family
ID=26411419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69942627T Expired - Lifetime DE69942627D1 (de) | 1998-03-19 | 1999-03-15 | Verstärkungs- und Pegelregelungen von optischen Verstärkern in Kaskade |
Country Status (3)
Country | Link |
---|---|
US (5) | US6603596B2 (de) |
EP (3) | EP0944190B1 (de) |
DE (1) | DE69942627D1 (de) |
Families Citing this family (66)
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US6369938B1 (en) * | 1996-05-28 | 2002-04-09 | Fujitsu Limited | Multi-wavelength light amplifier |
US6603596B2 (en) * | 1998-03-19 | 2003-08-05 | Fujitsu Limited | Gain and signal level adjustments of cascaded optical amplifiers |
US6057959A (en) * | 1998-05-22 | 2000-05-02 | Ciena Corporation | Optical amplifier having substantially uniform spectral gain |
US6411429B1 (en) * | 1999-10-19 | 2002-06-25 | Fujitsu Limited | Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication system |
GB0000583D0 (en) * | 2000-01-13 | 2000-03-01 | Sensor Highway Ltd | Optical supply arrangement |
EP1128504B8 (de) * | 2000-02-23 | 2009-08-12 | Fujitsu Limited | Optischer Verstärker |
AU4817401A (en) * | 2000-04-14 | 2001-10-30 | Institut National D'optique | Gain-locked dual stage optical amplifier |
JP3938270B2 (ja) * | 2000-06-29 | 2007-06-27 | 三菱電機株式会社 | 光中継増幅装置 |
JP2002040495A (ja) * | 2000-07-21 | 2002-02-06 | Sumitomo Electric Ind Ltd | ラマン増幅器 |
DE10040446A1 (de) * | 2000-08-18 | 2002-03-07 | Siemens Ag | Kaskadierbare optische Verstärkeranordnung |
WO2002019572A1 (fr) * | 2000-08-31 | 2002-03-07 | Fujitsu Limited | Procede de demarrage d'un systeme de communication optique, procede d'agrandissement/de reduction de canaux, et support enregistre lisible par un ordinateur |
EP1280288A1 (de) * | 2001-07-27 | 2003-01-29 | Alcatel | Verfahren und Vorrichtung zum automatischen Verstärkungsausgleich in einem optischen Übertragungssystem |
GB0124258D0 (en) * | 2001-10-09 | 2001-11-28 | Marconi Comm Ltd | Optical amplifier control in WDM communications systems |
TW532480U (en) * | 2001-10-12 | 2003-05-11 | Hon Hai Prec Ind Co Ltd | Dual reflective light attenuator |
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 |
JP2003163642A (ja) * | 2001-11-28 | 2003-06-06 | Fujitsu Ltd | 光伝送装置および光伝送モジュール |
US7460296B2 (en) * | 2002-04-30 | 2008-12-02 | Pivotal Decisions Llc | Compensation for spectral power tilt from scattering |
US6977770B2 (en) | 2002-06-14 | 2005-12-20 | Fujitsu Limited | Optical amplifier and control method therefor |
US7202997B2 (en) * | 2002-11-18 | 2007-04-10 | Fujitsu Limited | Optical amplifier and optical amplifier control method |
US7400443B1 (en) * | 2002-11-20 | 2008-07-15 | Ciena Corporation | Method and apparatus for optical amplifying device gain control with gain threshold |
DE10255165B4 (de) * | 2002-11-27 | 2008-04-24 | Deutsche Telekom Ag | Verfahren und Vorrichtung zum Auskoppeln von Monitorsignalen aus einer Nachrichtenübertragungsstrecke sowie Nachrichtenübertragungsstrecke |
JP3926257B2 (ja) * | 2002-12-04 | 2007-06-06 | 富士通株式会社 | 波長分割多重化伝送装置における利得設定方法 |
US7466478B2 (en) * | 2002-12-19 | 2008-12-16 | Fujitsu Limited | Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network |
US20040197105A1 (en) * | 2003-02-14 | 2004-10-07 | Jds Uniphase Corporation | Variable gain multi-stage optical amplifier |
US20040252366A1 (en) * | 2003-06-13 | 2004-12-16 | Rene Monnard | Optical amplifier having fast Raman tilt control |
US7151895B2 (en) * | 2003-08-26 | 2006-12-19 | Fujitsu Limited | Method and system for automatically setting gain for an amplifier in an optical network |
US7444078B1 (en) * | 2003-09-18 | 2008-10-28 | At&T Intellectual Property Ii, L.P. | Transient control solution for optical networks |
JP4414800B2 (ja) * | 2004-03-25 | 2010-02-10 | 株式会社日立コミュニケーションテクノロジー | 光伝送装置およびその制御方法 |
GB0413017D0 (en) * | 2004-06-10 | 2004-07-14 | Bookham Technology Plc | Optical amplifiers |
JP4645183B2 (ja) * | 2004-10-15 | 2011-03-09 | 日本電気株式会社 | 光伝送路損失調整方法及び光伝送システム |
DE102005060019A1 (de) * | 2005-12-15 | 2007-06-21 | Siemens Ag | Regelbarer optischer Verstärker und Verfahren zur Regelung eines optischen Verstärkers |
JP4929786B2 (ja) * | 2006-03-28 | 2012-05-09 | 富士通株式会社 | 光増幅器 |
EP2020767B1 (de) * | 2006-05-25 | 2017-08-02 | Mitsubishi Electric Corporation | Optische relaiseinrichtung und optisches relaisübertragungssystem |
JP5103963B2 (ja) * | 2007-03-15 | 2012-12-19 | 日本電気株式会社 | 多段光増幅器及びその制御方法 |
EP2149211A4 (de) * | 2007-04-18 | 2014-06-04 | François Gonthier | Glasfaserverstärker |
JP5679618B2 (ja) * | 2007-05-31 | 2015-03-04 | 株式会社トリマティス | 光増幅器 |
JP5239223B2 (ja) * | 2007-06-21 | 2013-07-17 | 富士通株式会社 | 光増幅器 |
GB0713265D0 (en) * | 2007-07-09 | 2007-08-15 | Spi Lasers Uk Ltd | Apparatus and method for laser processing a material |
US7917030B2 (en) * | 2007-12-03 | 2011-03-29 | Buabbud George | Fiber optic communication system with automatic line shutdown/power reduction |
JP4973491B2 (ja) * | 2007-12-26 | 2012-07-11 | 富士通株式会社 | 光伝送装置および光通信システム |
CN101926115B (zh) * | 2008-01-22 | 2013-12-11 | 三菱电机株式会社 | 光传送系统以及中继装置 |
JP4941349B2 (ja) * | 2008-02-19 | 2012-05-30 | 富士通株式会社 | Ponシステムに用いる光伝送装置 |
JP5381089B2 (ja) * | 2008-12-25 | 2014-01-08 | 富士通株式会社 | 光信号処理装置 |
US8798455B2 (en) * | 2010-04-28 | 2014-08-05 | Ciena Corporation | Secure fiber optic communication systems and methods |
WO2012066859A1 (ja) * | 2010-11-18 | 2012-05-24 | 日本電気株式会社 | コヒーレント光受信装置およびコヒーレント光受信方法 |
JP5811546B2 (ja) * | 2011-02-23 | 2015-11-11 | 富士通株式会社 | 光受信装置および光増幅装置 |
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US20150085352A1 (en) * | 2013-09-20 | 2015-03-26 | Alcatel-Lucent Usa Inc. | Optical amplifier for space-division multiplexing |
CN103580753B (zh) * | 2013-10-31 | 2017-01-18 | 南京泰通科技股份有限公司 | 一种具有透传功能的光纤直放站的信号传输方法 |
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 |
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JP6919291B2 (ja) * | 2017-04-11 | 2021-08-18 | 住友電気工業株式会社 | 光受信器および光受信器の制御方法 |
US11374377B2 (en) * | 2017-04-20 | 2022-06-28 | Nec Corporation | Optical amplifying apparatus and method of amplifying optical signal |
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CN109831398B (zh) * | 2018-12-29 | 2021-11-26 | 晶晨半导体(上海)股份有限公司 | 一种串行数据接收器的多级均衡器增益的自动调整方法 |
US11309678B2 (en) * | 2019-10-09 | 2022-04-19 | Molex, Llc | Spectrum and power tunable ASE light source |
CN113746550A (zh) | 2020-05-27 | 2021-12-03 | 莫列斯有限公司 | 光接收装置 |
CN114499673B (zh) * | 2020-11-12 | 2024-07-26 | 莫列斯有限公司 | 光放大器模块及其增益控制方法 |
CN112532323B (zh) * | 2020-11-30 | 2022-10-25 | 深圳市科曼医疗设备有限公司 | 免老化控制系统的光功率自动调节的方法、存储介质 |
JP2023017168A (ja) * | 2021-07-26 | 2023-02-07 | 富士通株式会社 | 波長変換装置及び伝送システム |
CN114188813A (zh) * | 2021-11-02 | 2022-03-15 | 北京无线电计量测试研究所 | 一种抑制激光强度起伏的激光发生器和方法 |
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-
1999
- 1999-03-09 US US09/264,902 patent/US6603596B2/en not_active Expired - Lifetime
- 1999-03-15 EP EP99104026A patent/EP0944190B1/de not_active Expired - Lifetime
- 1999-03-15 EP EP10161971.6A patent/EP2209231B1/de not_active Expired - Lifetime
- 1999-03-15 EP EP10161972.4A patent/EP2209232B1/de not_active Expired - Lifetime
- 1999-03-15 DE DE69942627T patent/DE69942627D1/de not_active Expired - Lifetime
-
2003
- 2003-04-16 US US10/414,237 patent/US7061666B2/en not_active Expired - Lifetime
-
2006
- 2006-04-19 US US11/406,281 patent/US7969648B2/en not_active Expired - Fee Related
-
2010
- 2010-06-24 US US12/822,797 patent/US7924499B2/en not_active Expired - Fee Related
-
2011
- 2011-03-08 US US13/042,737 patent/US8547629B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0944190A3 (de) | 2005-01-05 |
EP2209232B1 (de) | 2017-01-25 |
US20030189751A1 (en) | 2003-10-09 |
EP0944190A2 (de) | 1999-09-22 |
US20060198017A1 (en) | 2006-09-07 |
EP2209232A3 (de) | 2012-04-18 |
US7061666B2 (en) | 2006-06-13 |
EP2209231B1 (de) | 2016-09-21 |
US20100272445A1 (en) | 2010-10-28 |
US8547629B2 (en) | 2013-10-01 |
US20020060837A1 (en) | 2002-05-23 |
EP2209232A2 (de) | 2010-07-21 |
US7924499B2 (en) | 2011-04-12 |
EP0944190B1 (de) | 2010-07-28 |
US7969648B2 (en) | 2011-06-28 |
US6603596B2 (en) | 2003-08-05 |
EP2209231A3 (de) | 2012-04-18 |
EP2209231A2 (de) | 2010-07-21 |
US20110164309A1 (en) | 2011-07-07 |
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