WO2000013313A1 - Optische verstärker und optische übertragungsstrecke - Google Patents
Optische verstärker und optische übertragungsstrecke Download PDFInfo
- Publication number
- WO2000013313A1 WO2000013313A1 PCT/DE1999/000963 DE9900963W WO0013313A1 WO 2000013313 A1 WO2000013313 A1 WO 2000013313A1 DE 9900963 W DE9900963 W DE 9900963W WO 0013313 A1 WO0013313 A1 WO 0013313A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control device
- optical amplifier
- amplifiers
- output
- comparator
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0775—Performance monitoring and measurement of transmission parameters
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0797—Monitoring line amplifier or line repeater equipment
-
- 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
-
- 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
- H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating 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
- H01S3/10007—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
- H01S3/1305—Feedback control systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/077—Monitoring an optical transmission system using a supervisory signal using a separate fibre
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/530,190 US6452722B1 (en) | 1998-08-26 | 1999-03-30 | Optical amplifier with automatic level control and automatic gain control |
CA002342101A CA2342101C (en) | 1998-08-26 | 1999-03-30 | Optical amplifiers and optical transmission path |
DE59906534T DE59906534D1 (de) | 1998-08-26 | 1999-03-30 | Optische verstärker und optische übertragungsstrecke |
JP2000568182A JP2002524902A (ja) | 1998-08-26 | 1999-03-30 | 光増幅器および光伝送区間 |
BR9913217-6A BR9913217A (pt) | 1998-08-26 | 1999-03-30 | Amplificadores ópticos e trecho de transmissão |
AU39259/99A AU764692B2 (en) | 1998-08-26 | 1999-03-30 | Optical amplifiers and optical transmission line |
EP99922078A EP1110309B1 (de) | 1998-08-26 | 1999-03-30 | Optische verstärker und optische übertragungsstrecke |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19838788.1 | 1998-08-26 | ||
DE19838788A DE19838788A1 (de) | 1998-08-26 | 1998-08-26 | Geregelter optischer Verstärker |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000013313A1 true WO2000013313A1 (de) | 2000-03-09 |
Family
ID=7878782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/000963 WO2000013313A1 (de) | 1998-08-26 | 1999-03-30 | Optische verstärker und optische übertragungsstrecke |
Country Status (11)
Country | Link |
---|---|
US (2) | US6452722B1 (de) |
EP (1) | EP1110309B1 (de) |
JP (1) | JP2002524902A (de) |
CN (1) | CN1158756C (de) |
AU (1) | AU764692B2 (de) |
BR (1) | BR9913217A (de) |
CA (1) | CA2342101C (de) |
DE (2) | DE19838788A1 (de) |
ES (1) | ES2205819T3 (de) |
RU (1) | RU2248087C2 (de) |
WO (1) | WO2000013313A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002101890A2 (en) * | 2001-06-08 | 2002-12-19 | Photon-X, Inc. | Dual mode programmable optical logarithmic amplifier driver |
WO2004068658A1 (ja) * | 2003-01-30 | 2004-08-12 | Fujitsu Limited | 光増幅器 |
US7061668B2 (en) | 2002-03-21 | 2006-06-13 | Siemens Communications Inc. | Fast optical amplifier control circuit |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE10040446A1 (de) * | 2000-08-18 | 2002-03-07 | Siemens Ag | Kaskadierbare optische Verstärkeranordnung |
US7119949B1 (en) | 2001-07-30 | 2006-10-10 | Tellabs Operations, Inc. | System and method for measuring an amount of error associated with an optical amplifier |
US6765714B1 (en) | 2001-07-30 | 2004-07-20 | Tellabs Operations, Inc. | System and method for measuring an amount of error associated with an optical amplifier |
DE10144948B4 (de) * | 2001-09-12 | 2007-10-31 | Siemens Ag | Verfahren zur Regelung einer Pumpeinrichtung bei optischer Verstärkung eines übertragenen Wellenlängen-Multiplex(-WDM)-Signals |
US7027210B2 (en) * | 2003-05-29 | 2006-04-11 | Fujitsu Limited | Method and system for determining gain for an optical signal |
JP2006286918A (ja) * | 2005-03-31 | 2006-10-19 | Furukawa Electric Co Ltd:The | 光増幅装置 |
US7627254B2 (en) | 2005-06-30 | 2009-12-01 | Infinera Corporation | Automated optical link power control |
US10387377B2 (en) * | 2017-05-19 | 2019-08-20 | Takashi Suzuki | Computerized methods of data compression and analysis |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04293025A (ja) * | 1991-03-22 | 1992-10-16 | Nec Corp | 光直接増幅方式 |
JPH0563643A (ja) * | 1991-08-29 | 1993-03-12 | Nec Corp | 光フアイバ増幅器 |
US5446812A (en) * | 1992-11-17 | 1995-08-29 | Northern Telecom Limited | Improving signal to noise ratio in an optical transmission system |
WO1998028826A1 (de) * | 1996-12-20 | 1998-07-02 | Siemens Aktiengesellschaft | Optischer faserverstärker für wellenlängen-multiplexbetrieb |
JPH10190107A (ja) * | 1996-10-29 | 1998-07-21 | Kyocera Corp | 光ファイバ増幅器 |
FR2759831A1 (fr) * | 1997-02-17 | 1998-08-21 | Nec Corp | Amplificateur a fibre optique et systeme de communication optique equipe de celui-ci |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4240029A1 (de) | 1992-11-28 | 1994-06-01 | Bosch Gmbh Robert | Verfahren zum Übertragen von optischen Signalen |
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 |
US5563731A (en) * | 1995-02-22 | 1996-10-08 | Nec Corporation | Monitor control signal receiving apparatus for optical fiber amplifier |
US6195480B1 (en) * | 1997-08-06 | 2001-02-27 | Hitachi, Ltd. | Optical transmission device and optical transmission system employing the same |
DE19532485A1 (de) * | 1995-09-02 | 1997-03-06 | Bosch Gmbh Robert | Einrichtung mit optischem Faserverstärker |
JP3363003B2 (ja) * | 1995-10-03 | 2003-01-07 | 株式会社日立製作所 | 光増幅装置及び光増幅装置を用いた光伝送システム |
US5696615A (en) * | 1995-11-13 | 1997-12-09 | Ciena Corporation | Wavelength division multiplexed optical communication systems employing uniform gain optical amplifiers |
JP2910667B2 (ja) * | 1996-04-09 | 1999-06-23 | 日本電気株式会社 | 線形中継光増幅伝送装置 |
FR2747483B1 (fr) * | 1996-04-15 | 1998-05-15 | Alsthom Cge Alcatel | Amplificateur optique a gain variable et a bande passante constante, et systeme de compensation automatique des variations des pertes dans une liaison optique, comportant un tel amplificateur |
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 |
JP2904131B2 (ja) * | 1996-07-04 | 1999-06-14 | 日本電気株式会社 | 波長多重光増幅装置と波長多重光伝送装置 |
JP2991131B2 (ja) * | 1996-10-07 | 1999-12-20 | 日本電気株式会社 | 信号光チャネル数計数器とこれを用いた光増幅装置 |
JP3757018B2 (ja) * | 1997-03-12 | 2006-03-22 | 株式会社日立コミュニケーションテクノロジー | 光増幅装置および光増幅装置の制御方法ならびに光増幅装置を用いた光伝送システム |
JPH11121848A (ja) * | 1997-10-16 | 1999-04-30 | Fujitsu Ltd | 光増幅器及び該光増幅器を備えた光伝送システム |
JPH11122192A (ja) * | 1997-10-17 | 1999-04-30 | Fujitsu Ltd | 光増幅器及び該光増幅器を備えた光通信システム |
DE69838127T2 (de) * | 1998-01-27 | 2008-05-15 | Lucent Technologies Inc. | Verfahren und Vorrichtung zur Steuerung der optischen Verstärkung in einer optischen Wellenlängenmultiplexübertragung |
SE522622C2 (sv) * | 1998-04-01 | 2004-02-24 | Ericsson Telefon Ab L M | Optisk fiberförstärkare med styrd förstärkning |
US6166850A (en) * | 1998-11-04 | 2000-12-26 | Nortel Networks Limited | Optical amplifier gain control |
US6163399A (en) * | 1998-12-08 | 2000-12-19 | Nortel Networks Limited | Method and apparatus for suppressing transients in optical amplifiers |
US6215584B1 (en) * | 1999-05-10 | 2001-04-10 | Jds Uniphase Inc. | Input independent tilt free actively gain flattened broadband amplifier |
-
1998
- 1998-08-26 DE DE19838788A patent/DE19838788A1/de not_active Withdrawn
-
1999
- 1999-03-30 BR BR9913217-6A patent/BR9913217A/pt not_active IP Right Cessation
- 1999-03-30 DE DE59906534T patent/DE59906534D1/de not_active Expired - Lifetime
- 1999-03-30 EP EP99922078A patent/EP1110309B1/de not_active Expired - Lifetime
- 1999-03-30 RU RU2001107835/09A patent/RU2248087C2/ru not_active IP Right Cessation
- 1999-03-30 ES ES99922078T patent/ES2205819T3/es not_active Expired - Lifetime
- 1999-03-30 CA CA002342101A patent/CA2342101C/en not_active Expired - Fee Related
- 1999-03-30 JP JP2000568182A patent/JP2002524902A/ja not_active Withdrawn
- 1999-03-30 US US09/530,190 patent/US6452722B1/en not_active Expired - Lifetime
- 1999-03-30 WO PCT/DE1999/000963 patent/WO2000013313A1/de active IP Right Grant
- 1999-03-30 CN CNB998101176A patent/CN1158756C/zh not_active Expired - Lifetime
- 1999-03-30 AU AU39259/99A patent/AU764692B2/en not_active Ceased
-
2001
- 2001-09-19 US US09/955,828 patent/US20020015221A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04293025A (ja) * | 1991-03-22 | 1992-10-16 | Nec Corp | 光直接増幅方式 |
JPH0563643A (ja) * | 1991-08-29 | 1993-03-12 | Nec Corp | 光フアイバ増幅器 |
US5446812A (en) * | 1992-11-17 | 1995-08-29 | Northern Telecom Limited | Improving signal to noise ratio in an optical transmission system |
JPH10190107A (ja) * | 1996-10-29 | 1998-07-21 | Kyocera Corp | 光ファイバ増幅器 |
WO1998028826A1 (de) * | 1996-12-20 | 1998-07-02 | Siemens Aktiengesellschaft | Optischer faserverstärker für wellenlängen-multiplexbetrieb |
FR2759831A1 (fr) * | 1997-02-17 | 1998-08-21 | Nec Corp | Amplificateur a fibre optique et systeme de communication optique equipe de celui-ci |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 017, no. 098 (P - 1494) 26 February 1993 (1993-02-26) * |
PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E - 1398) 15 July 1993 (1993-07-15) * |
PATENT ABSTRACTS OF JAPAN vol. 098, no. 012 31 October 1998 (1998-10-31) * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002101890A2 (en) * | 2001-06-08 | 2002-12-19 | Photon-X, Inc. | Dual mode programmable optical logarithmic amplifier driver |
WO2002101890A3 (en) * | 2001-06-08 | 2003-11-06 | Photon X Inc | Dual mode programmable optical logarithmic amplifier driver |
US7061668B2 (en) | 2002-03-21 | 2006-06-13 | Siemens Communications Inc. | Fast optical amplifier control circuit |
WO2004068658A1 (ja) * | 2003-01-30 | 2004-08-12 | Fujitsu Limited | 光増幅器 |
US7417792B2 (en) | 2003-01-30 | 2008-08-26 | Fujitsu Limited | Optical amplification device |
Also Published As
Publication number | Publication date |
---|---|
AU3925999A (en) | 2000-03-21 |
JP2002524902A (ja) | 2002-08-06 |
CA2342101C (en) | 2008-05-20 |
RU2248087C2 (ru) | 2005-03-10 |
CN1315076A (zh) | 2001-09-26 |
AU764692B2 (en) | 2003-08-28 |
US6452722B1 (en) | 2002-09-17 |
EP1110309A1 (de) | 2001-06-27 |
DE19838788A1 (de) | 2000-03-09 |
US20020015221A1 (en) | 2002-02-07 |
ES2205819T3 (es) | 2004-05-01 |
CA2342101A1 (en) | 2000-03-09 |
DE59906534D1 (de) | 2003-09-11 |
BR9913217A (pt) | 2001-05-22 |
EP1110309B1 (de) | 2003-08-06 |
CN1158756C (zh) | 2004-07-21 |
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