DE69825222D1 - Verfahren und Vorrichtung zur optischen Verstärkung und System, das eine solche Vorrichtung umfasst - Google Patents
Verfahren und Vorrichtung zur optischen Verstärkung und System, das eine solche Vorrichtung umfasstInfo
- Publication number
- DE69825222D1 DE69825222D1 DE69825222T DE69825222T DE69825222D1 DE 69825222 D1 DE69825222 D1 DE 69825222D1 DE 69825222 T DE69825222 T DE 69825222T DE 69825222 T DE69825222 T DE 69825222T DE 69825222 D1 DE69825222 D1 DE 69825222D1
- Authority
- DE
- Germany
- Prior art keywords
- amplification method
- optical amplification
- optical
- amplification
- 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
-
- 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
-
- 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
- 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
- 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
- H01S2301/00—Functional characteristics
- H01S2301/04—Gain spectral shaping, flattening
-
- 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
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0078—Frequency filtering
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094096—Multi-wavelength 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
- H01S3/10007—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
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21604997 | 1997-08-11 | ||
JP21604997A JP3452768B2 (ja) | 1997-08-11 | 1997-08-11 | 光増幅のための方法及び装置並びに該装置を有するシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69825222D1 true DE69825222D1 (de) | 2004-09-02 |
DE69825222T2 DE69825222T2 (de) | 2005-07-21 |
Family
ID=16682489
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69835243T Expired - Lifetime DE69835243T2 (de) | 1997-08-11 | 1998-01-02 | Verfahren und Vorrichtung zur optischen Verstärkung und System mit dieser Vorrichtung |
DE69825222T Expired - Lifetime DE69825222T2 (de) | 1997-08-11 | 1998-01-02 | Verfahren und Vorrichtung zur optischen Verstärkung und System, das eine solche Vorrichtung umfasst |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69835243T Expired - Lifetime DE69835243T2 (de) | 1997-08-11 | 1998-01-02 | Verfahren und Vorrichtung zur optischen Verstärkung und System mit dieser Vorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6151158A (de) |
EP (2) | EP1381125B1 (de) |
JP (1) | JP3452768B2 (de) |
CN (2) | CN1287189C (de) |
DE (2) | DE69835243T2 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6166838A (en) | 1997-03-24 | 2000-12-26 | Chorum Technologies, Inc. | Optical add/drop wavelength switch |
US6285478B1 (en) | 1998-03-26 | 2001-09-04 | Chorum Technologies Lp | Programmable optical add/drop device |
US6094246A (en) | 1998-01-06 | 2000-07-25 | Chorum Technologies | Acute twist nematic liquid crystal electro-optic modulator for use in an infrared optical communication system having extinction ratio of -25db |
AU737105B2 (en) * | 1998-03-31 | 2001-08-09 | Corning Incorporated | Improved performance gain flattened edfa |
JP2000004061A (ja) | 1998-06-15 | 2000-01-07 | Nec Corp | 光利得等化装置 |
US6498676B1 (en) * | 1998-08-07 | 2002-12-24 | Jds Fitel Inc. | Optical filter for use or with an optical amplifier |
US6134358A (en) | 1998-08-27 | 2000-10-17 | Chorum Technologies Inc. | N x N switch array with reduced components |
US6384964B1 (en) * | 1999-01-27 | 2002-05-07 | The Furukawa Electric Co., Ltd. | Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizer |
US6141142A (en) * | 1999-02-19 | 2000-10-31 | Lucent Technologies Inc. | Article comprising an L-Band optical fiber amplifier |
JP3844902B2 (ja) | 1999-03-02 | 2006-11-15 | 富士通株式会社 | 波長多重用光増幅器及び光通信システム |
JP2000269578A (ja) * | 1999-03-18 | 2000-09-29 | Fujitsu Ltd | 光増幅のための方法、装置及びシステム |
CN1185768C (zh) * | 1999-07-09 | 2005-01-19 | 住友电气工业株式会社 | 光放大器和光放大方法 |
US6268954B1 (en) * | 1999-08-20 | 2001-07-31 | Jds Fitel Inc. | Method and system for controlling the slope of an output response |
US6396609B1 (en) * | 1999-12-20 | 2002-05-28 | Chorum Technologies, Lp | Dispersion compensation for optical systems |
US6433903B1 (en) * | 1999-12-29 | 2002-08-13 | Sycamore Networks, Inc. | Optical management channel for wavelength division multiplexed systems |
JP2001203414A (ja) * | 2000-01-18 | 2001-07-27 | Fujitsu Ltd | 光信号対雑音比測定方法、並びに、該測定方法を利用した光信号対雑音比測定装置、プリエンファシス方法、光通信システム、測定回路、および、制御装置 |
DE60138935D1 (de) * | 2000-02-23 | 2009-07-23 | Fujitsu Ltd | Optischer Verstärker |
JP3588435B2 (ja) * | 2000-02-28 | 2004-11-10 | 富士通株式会社 | 光増幅装置、複合光増幅装置および光通信システム |
AU2000233234A1 (en) * | 2000-03-03 | 2001-09-12 | Optical Technologies Italia S.P.A. | Optical amplifier and optical transmission system |
JP2001255423A (ja) * | 2000-03-13 | 2001-09-21 | Furukawa Electric Co Ltd:The | 光部品 |
US6559992B2 (en) | 2000-03-27 | 2003-05-06 | Chorum Technologies Lp | Adjustable chromatic dispersion compensation |
US6483637B2 (en) | 2001-03-30 | 2002-11-19 | Sycamore Networks, Inc. | System and method for per-band optical amplification |
US6545798B2 (en) * | 2001-04-09 | 2003-04-08 | Corning Incorporated | Thermal ripple-compensating, gain-flattening filter for an optical amplifier |
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 |
EP1318621B1 (de) * | 2001-12-10 | 2013-02-13 | Sumitomo Electric Industries, Ltd. | Optischer Verstärker und diesen beinhaltendes optisches Übertragungssystem |
JP4094352B2 (ja) * | 2002-06-24 | 2008-06-04 | 富士通株式会社 | 光増幅器 |
JP4425740B2 (ja) | 2004-08-02 | 2010-03-03 | 富士通株式会社 | 光増幅器 |
US7224516B2 (en) * | 2005-08-02 | 2007-05-29 | Itt Manufacturing Enterprises, Inc. | Multimode fiber optic amplifier and method of amplifying optical signals |
JP5151453B2 (ja) * | 2007-12-20 | 2013-02-27 | 富士通株式会社 | 光増幅器を用いた光伝送システム |
JP4846770B2 (ja) * | 2008-08-04 | 2011-12-28 | 株式会社フジクラ | 光増幅器 |
JP2009065180A (ja) * | 2008-10-06 | 2009-03-26 | Fujitsu Ltd | 光モニタ回路 |
CA2740102A1 (en) * | 2008-10-09 | 2010-04-15 | Making Memories | Hands free pattern creating device |
US8908265B2 (en) | 2009-09-04 | 2014-12-09 | Xieon Networks S.A.R.L. | Optical fiber amplifier comprising an embedded filter and a control method with improved feedforward control performance |
CN102136870B (zh) * | 2010-01-22 | 2014-02-26 | 华为技术有限公司 | 一种突发光信号的放大方法、装置和系统 |
JP5152248B2 (ja) * | 2010-04-28 | 2013-02-27 | 富士通株式会社 | 光増幅器 |
US8749312B2 (en) * | 2012-04-18 | 2014-06-10 | Qualcomm Incorporated | Optimizing cascade gain stages in a communication system |
CN107615603A (zh) * | 2015-05-29 | 2018-01-19 | 浜松光子学株式会社 | 光源装置和检查装置 |
WO2017044799A1 (en) * | 2015-09-10 | 2017-03-16 | Massachusetts Institute Of Technology | Systems, apparatus, and methods for laser amplification in fiber amplifiers |
US9923634B2 (en) * | 2015-09-23 | 2018-03-20 | Fujitsu Limited | Harmonic generation and phase sensitive amplification using a bragg reflection waveguide |
JP6870423B2 (ja) * | 2017-03-29 | 2021-05-12 | 富士通株式会社 | 信号品質測定装置及び信号品質測定方法 |
CN110190495A (zh) * | 2019-06-11 | 2019-08-30 | 深圳市创鑫激光股份有限公司 | 闭环控制的高功率单纤输出连续全光纤激光器系统 |
CN112201126A (zh) * | 2020-10-10 | 2021-01-08 | 长春理工大学 | 光纤放大器自发辐射噪声抑制实验装置及系统、工艺 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0344206A (ja) * | 1989-07-12 | 1991-02-26 | Nippon Telegr & Teleph Corp <Ntt> | 光増幅器 |
JPH05224158A (ja) * | 1992-02-14 | 1993-09-03 | Matsushita Electric Ind Co Ltd | 光フィルター及びその光フィルターを用いた光増幅装置 |
AU685747B2 (en) * | 1992-06-01 | 1998-01-29 | British Telecommunications Public Limited Company | Filter with preselected attenuation/wavelength characteristic |
JP2751789B2 (ja) * | 1993-07-14 | 1998-05-18 | 日本電気株式会社 | 光ファイバ増幅器 |
JP3420868B2 (ja) * | 1994-11-16 | 2003-06-30 | 沖電気工業株式会社 | 光ファイバ増幅器 |
JPH0918416A (ja) * | 1995-06-28 | 1997-01-17 | Hitachi Ltd | 光増幅器 |
JPH0946318A (ja) * | 1995-08-01 | 1997-02-14 | Fujitsu Ltd | 波長多重光伝送システム及び該伝送システムに用いる光送信装置 |
GB9522943D0 (en) * | 1995-08-05 | 1996-01-10 | Samsung Electronics Co Ltd | Erbium doped fiber amplifier |
JPH0993202A (ja) * | 1995-09-21 | 1997-04-04 | Fujitsu Ltd | 双方向光増幅回路 |
JP3422398B2 (ja) * | 1995-12-07 | 2003-06-30 | 富士通株式会社 | 重心波長モニタ方法及び装置、光増幅器並びに光通信システム |
JPH09191303A (ja) * | 1996-01-09 | 1997-07-22 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光伝送路 |
FR2747527B1 (fr) * | 1996-04-12 | 1998-05-15 | Cit Alcatel | Procede et dispositif d'amplification de canaux extraits d'un multiplex de longueurs d'onde |
JPH09289349A (ja) * | 1996-04-23 | 1997-11-04 | Nec Corp | 光イコライザおよびこれを用いた光増幅装置と波長多重光伝送装置 |
JP3512050B2 (ja) * | 1996-06-11 | 2004-03-29 | 住友電気工業株式会社 | 光フィルタおよび光伝送システム |
-
1997
- 1997-08-11 JP JP21604997A patent/JP3452768B2/ja not_active Expired - Fee Related
- 1997-12-30 US US09/001,092 patent/US6151158A/en not_active Expired - Lifetime
-
1998
- 1998-01-02 EP EP03022837A patent/EP1381125B1/de not_active Revoked
- 1998-01-02 EP EP98100013A patent/EP0897205B1/de not_active Expired - Lifetime
- 1998-01-02 DE DE69835243T patent/DE69835243T2/de not_active Expired - Lifetime
- 1998-01-02 DE DE69825222T patent/DE69825222T2/de not_active Expired - Lifetime
- 1998-02-05 CN CNB2004100059336A patent/CN1287189C/zh not_active Expired - Fee Related
- 1998-02-05 CN CNB981043690A patent/CN1195239C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH1168203A (ja) | 1999-03-09 |
DE69835243D1 (de) | 2006-08-24 |
DE69835243T2 (de) | 2007-09-20 |
EP0897205B1 (de) | 2004-07-28 |
DE69825222T2 (de) | 2005-07-21 |
EP1381125B1 (de) | 2006-07-12 |
EP1381125A2 (de) | 2004-01-14 |
CN1195239C (zh) | 2005-03-30 |
EP1381125A3 (de) | 2004-06-30 |
CN1208178A (zh) | 1999-02-17 |
CN1540389A (zh) | 2004-10-27 |
EP0897205A3 (de) | 2000-11-02 |
US6151158A (en) | 2000-11-21 |
JP3452768B2 (ja) | 2003-09-29 |
EP0897205A2 (de) | 1999-02-17 |
CN1287189C (zh) | 2006-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |