DE60022288D1 - Optische Verstärkungseinrichtung, Breitbandige optische Verstärkungseinrichtung und optisches Übertragungssystem - Google Patents

Optische Verstärkungseinrichtung, Breitbandige optische Verstärkungseinrichtung und optisches Übertragungssystem

Info

Publication number
DE60022288D1
DE60022288D1 DE60022288T DE60022288T DE60022288D1 DE 60022288 D1 DE60022288 D1 DE 60022288D1 DE 60022288 T DE60022288 T DE 60022288T DE 60022288 T DE60022288 T DE 60022288T DE 60022288 D1 DE60022288 D1 DE 60022288D1
Authority
DE
Germany
Prior art keywords
amplifying device
optical
optical amplifying
transmission system
broadband
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
Application number
DE60022288T
Other languages
English (en)
Other versions
DE60022288T2 (de
Inventor
Hiroaki Tomofuji
Motoyoshi Sekiya
Takeshi Sakamoto
Makoto Murakami
Chihiro Oshima
Yoshihito Onoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP29680099A external-priority patent/JP3987665B2/ja
Priority claimed from JP33445599A external-priority patent/JP4083942B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60022288D1 publication Critical patent/DE60022288D1/de
Publication of DE60022288T2 publication Critical patent/DE60022288T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H04B10/2931—Signal power control using 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately
DE60022288T 1999-10-19 2000-09-26 Optische Verstärkungseinrichtung, Breitbandige optische Verstärkungseinrichtung und optisches Übertragungssystem Expired - Fee Related DE60022288T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29680099 1999-10-19
JP29680099A JP3987665B2 (ja) 1999-10-19 1999-10-19 光増幅装置および光通信システム
JP33445599A JP4083942B2 (ja) 1999-11-25 1999-11-25 光増幅装置
JP33445599 1999-11-25

Publications (2)

Publication Number Publication Date
DE60022288D1 true DE60022288D1 (de) 2005-10-06
DE60022288T2 DE60022288T2 (de) 2006-06-29

Family

ID=26560857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60022288T Expired - Fee Related DE60022288T2 (de) 1999-10-19 2000-09-26 Optische Verstärkungseinrichtung, Breitbandige optische Verstärkungseinrichtung und optisches Übertragungssystem

Country Status (3)

Country Link
US (1) US6411429B1 (de)
EP (2) EP1480360A3 (de)
DE (1) DE60022288T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
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
US6621625B1 (en) * 2000-12-13 2003-09-16 Avanex Corporation Optical node including three-stage optical amplifier with automatic gain and level control
CN100407602C (zh) 2001-01-05 2008-07-30 富士通株式会社 在宽带波分复用光纤传输系统中用于长波长信道的控制方案
CA2372638C (en) * 2001-02-21 2006-09-12 Nippon Telegraph And Telephone Corporation Thulium-doped fiber amplifier using pump light for improving conversion efficiency in s-band
US6681073B2 (en) * 2001-03-19 2004-01-20 Molecular Optoelectronics Corporation Fiber optic power control systems and methods
US6671085B2 (en) * 2001-04-11 2003-12-30 Bti Photonics Inc. Switchable dynamic gain-flattened optical amplifiers and methods with wide dynamic gain range
US6501874B1 (en) * 2001-09-25 2002-12-31 Inplane Photonics, Inc. Dispersion compensator using Bragg gratings in transmission
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
US6611641B2 (en) 2001-10-30 2003-08-26 Redc Optical Networks Ltd. Method and apparatus for a highly efficient, high performance optical amplifier
JP3923301B2 (ja) * 2001-11-29 2007-05-30 富士通株式会社 Ｗｄｍ通信システムにおける光アンプ監視制御方法
JP4481540B2 (ja) 2001-12-07 2010-06-16 富士通株式会社 光増幅器
JP3971935B2 (ja) * 2002-02-12 2007-09-05 株式会社日立コミュニケーションテクノロジー 四光波混合による伝送品質劣化を低減可能な光伝送装置および光伝送システム
US20040197105A1 (en) * 2003-02-14 2004-10-07 Jds Uniphase Corporation Variable gain multi-stage optical amplifier
JP4393456B2 (ja) * 2003-06-25 2010-01-06 富士通株式会社 光増幅装置
EP1654817A1 (de) * 2003-08-11 2006-05-10 Telecom Italia S.p.A. In bezug auf rauschen, verstärkung und bandbreite optimierter mehrstufiger optischer verstärker
US7151895B2 (en) * 2003-08-26 2006-12-19 Fujitsu Limited Method and system for automatically setting gain for an amplifier in an optical network
JP4717602B2 (ja) * 2005-11-16 2011-07-06 富士通株式会社 光増幅器
JP4929786B2 (ja) * 2006-03-28 2012-05-09 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
US8774635B2 (en) * 2011-06-30 2014-07-08 The Johns Hopkins University Fiber-optic automatic gain control systems and methods
EP3061200B1 (de) * 2013-10-24 2019-06-12 Telefonaktiebolaget LM Ericsson (publ) Verfahren zum wechseln der betriebsart eines optischen verstärkers in einer verstärkerkette, optische vorrichtung und optisches netzwerk
US10992097B2 (en) * 2017-06-09 2021-04-27 Honeywell International Inc. Apparatus and method for an optical resonator with an integrated Bragg grating

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3618008B2 (ja) * 1995-03-17 2005-02-09 富士通株式会社 光増幅器
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
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
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
US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
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

Also Published As

Publication number Publication date
EP1480360A3 (de) 2005-04-06
EP1094624A2 (de) 2001-04-25
EP1480360A2 (de) 2004-11-24
DE60022288T2 (de) 2006-06-29
EP1480360A8 (de) 2005-02-23
EP1094624A3 (de) 2004-02-04
US6411429B1 (en) 2002-06-25
EP1094624B1 (de) 2005-08-31

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee