DE60300563D1 - Optischer Verstärker und zugehöriges Ansteuerungsverfahren - Google Patents
Optischer Verstärker und zugehöriges AnsteuerungsverfahrenInfo
- Publication number
- DE60300563D1 DE60300563D1 DE60300563T DE60300563T DE60300563D1 DE 60300563 D1 DE60300563 D1 DE 60300563D1 DE 60300563 T DE60300563 T DE 60300563T DE 60300563 T DE60300563 T DE 60300563T DE 60300563 D1 DE60300563 D1 DE 60300563D1
- Authority
- DE
- Germany
- Prior art keywords
- driving method
- optical amplifier
- associated driving
- amplifier
- optical
- 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.)
- Revoked
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
- H01S3/05—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
- 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
- H01S3/10069—Memorized or pre-programmed characteristics, e.g. look-up table [LUT]
-
- 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)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002173620 | 2002-06-14 | ||
JP2002173620 | 2002-06-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60300563D1 true DE60300563D1 (de) | 2005-06-02 |
DE60300563T2 DE60300563T2 (de) | 2006-01-19 |
Family
ID=29717437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60300563T Revoked DE60300563T2 (de) | 2002-06-14 | 2003-06-12 | Optischer Verstärker und zugehöriges Ansteuerungsverfahren |
Country Status (3)
Country | Link |
---|---|
US (1) | US6977770B2 (de) |
EP (1) | EP1376904B1 (de) |
DE (1) | DE60300563T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100567317B1 (ko) * | 2002-05-07 | 2006-04-04 | 한국전자통신연구원 | 이득 제어를 위한 광섬유 증폭 방법 및 그 장치 |
US6977770B2 (en) * | 2002-06-14 | 2005-12-20 | Fujitsu Limited | Optical amplifier and control method therefor |
EP1420491A3 (de) * | 2002-11-18 | 2005-04-27 | Fujitsu Limited | Optischer Verstärker und Verfahren zu dessen Regelung |
US7400443B1 (en) * | 2002-11-20 | 2008-07-15 | Ciena Corporation | Method and apparatus for optical amplifying device gain control with gain threshold |
US7068423B2 (en) * | 2002-11-26 | 2006-06-27 | Dowslake Microsystems Corporation | Low cost flexible automated optical power management |
US7466478B2 (en) * | 2002-12-19 | 2008-12-16 | Fujitsu Limited | Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network |
JP3817565B2 (ja) * | 2003-02-03 | 2006-09-06 | 富士通株式会社 | 光増幅器 |
US20040197105A1 (en) * | 2003-02-14 | 2004-10-07 | Jds Uniphase Corporation | Variable gain multi-stage optical amplifier |
US7483205B1 (en) * | 2003-05-29 | 2009-01-27 | Ciena Corporation | Transient optical power suppressing apparatus, method, and network |
JP4746951B2 (ja) * | 2005-09-28 | 2011-08-10 | 富士通株式会社 | 光増幅器および光増幅方法 |
DE102005060019A1 (de) * | 2005-12-15 | 2007-06-21 | Siemens Ag | Regelbarer optischer Verstärker und Verfahren zur Regelung eines optischen Verstärkers |
JP5239141B2 (ja) * | 2006-09-26 | 2013-07-17 | 富士通株式会社 | 光増幅装置およびその制御方法 |
JP4580404B2 (ja) * | 2007-03-29 | 2010-11-10 | 富士通株式会社 | 光増幅器 |
JP5239223B2 (ja) | 2007-06-21 | 2013-07-17 | 富士通株式会社 | 光増幅器 |
US8908264B2 (en) * | 2010-08-31 | 2014-12-09 | Jds Uniphase Corporation | Reducing transients in an optical amplifier |
JP5617510B2 (ja) * | 2010-10-07 | 2014-11-05 | 富士通株式会社 | 光ノード及び光通信方法 |
JP6070101B2 (ja) * | 2012-11-19 | 2017-02-01 | 富士通株式会社 | 光増幅装置及び伝送システム |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5889609A (en) | 1992-07-31 | 1999-03-30 | Fujitsu Limited | Optical attenuator |
JP3306693B2 (ja) | 1995-01-19 | 2002-07-24 | 富士通株式会社 | 光増幅装置,光波長多重通信システム,光端局装置及び光中継装置 |
JPH08248455A (ja) | 1995-03-09 | 1996-09-27 | Fujitsu Ltd | 波長多重用光増幅器 |
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 |
SE509968C2 (sv) * | 1997-02-14 | 1999-03-29 | Ericsson Telefon Ab L M | Optisk förstärkare med variabel förstärkning |
KR100243003B1 (ko) | 1997-02-26 | 2000-03-02 | 김영환 | 플랫셀 어레이의 온/오프전류비 개선회로 |
US6603596B2 (en) | 1998-03-19 | 2003-08-05 | Fujitsu Limited | Gain and signal level adjustments of cascaded optical amplifiers |
US6061171A (en) * | 1998-05-22 | 2000-05-09 | Ciena Corporation | Optical amplifier having a variable attenuator controlled based on input power |
WO2000021166A1 (fr) * | 1998-10-04 | 2000-04-13 | The Furukawa Electric Co., Ltd. | Amplificateur optique |
US7170673B2 (en) * | 1999-07-30 | 2007-01-30 | Mitsubishi Denki Kabushiki Kaisha | Optical amplifying repeater apparatus and optical amplifying/repeating transmission system |
JP4498509B2 (ja) * | 1999-11-16 | 2010-07-07 | 富士通株式会社 | 波長多重用光アンプの制御装置および制御方法 |
WO2002007272A2 (en) * | 2000-07-17 | 2002-01-24 | Optigain, Inc. | Control system for fiber laser or amplifier |
US6943937B2 (en) * | 2001-05-17 | 2005-09-13 | Avanex Corporation | Optical amplifier performance controller and method of use |
US20030035203A1 (en) * | 2001-08-09 | 2003-02-20 | Redc Optical Networks Ltd. | Method and apparatus for dynamic optical gain tilting in L-band |
US6690508B2 (en) * | 2002-03-26 | 2004-02-10 | Fujitsu Network Communications, Inc. | Control system and method for an optical amplifier |
US6977770B2 (en) * | 2002-06-14 | 2005-12-20 | Fujitsu Limited | Optical amplifier and control method therefor |
FR2843505B1 (fr) * | 2002-08-09 | 2006-06-02 | Cit Alcatel | Dispositif d'amplification optique pour reseau optique a controle de gain automatique |
EP1420491A3 (de) * | 2002-11-18 | 2005-04-27 | Fujitsu Limited | Optischer Verstärker und Verfahren zu dessen Regelung |
-
2002
- 2002-12-11 US US10/316,080 patent/US6977770B2/en not_active Expired - Lifetime
-
2003
- 2003-06-12 DE DE60300563T patent/DE60300563T2/de not_active Revoked
- 2003-06-12 EP EP03013310A patent/EP1376904B1/de not_active Revoked
Also Published As
Publication number | Publication date |
---|---|
DE60300563T2 (de) | 2006-01-19 |
US20030231379A1 (en) | 2003-12-18 |
EP1376904B1 (de) | 2005-04-27 |
EP1376904A1 (de) | 2004-01-02 |
US6977770B2 (en) | 2005-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |