DE69713902D1 - Optischer verstärker und verfahren zur verhinderung von emission daraus enstandener optischer leistung die eine vorbeschriebene sicherheitsbegrenzung überschreitet - Google Patents

Optischer verstärker und verfahren zur verhinderung von emission daraus enstandener optischer leistung die eine vorbeschriebene sicherheitsbegrenzung überschreitet

Info

Publication number
DE69713902D1
DE69713902D1 DE69713902T DE69713902T DE69713902D1 DE 69713902 D1 DE69713902 D1 DE 69713902D1 DE 69713902 T DE69713902 T DE 69713902T DE 69713902 T DE69713902 T DE 69713902T DE 69713902 D1 DE69713902 D1 DE 69713902D1
Authority
DE
Germany
Prior art keywords
exceeds
optical
safety limit
preventing emission
prescribed safety
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
Application number
DE69713902T
Other languages
English (en)
Other versions
DE69713902T2 (de
Inventor
Friis Pedersen
Morten Nielsen
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.)
Infinera Denmark AS
Original Assignee
Tellabs Denmark AS
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
Application filed by Tellabs Denmark AS filed Critical Tellabs Denmark AS
Publication of DE69713902D1 publication Critical patent/DE69713902D1/de
Application granted granted Critical
Publication of DE69713902T2 publication Critical patent/DE69713902T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01S3/0014—Monitoring arrangements not otherwise provided for
    • 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
    • H01S3/13—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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems
DE69713902T 1996-11-15 1997-11-14 Optischer verstärker und verfahren zur verhinderung von emission daraus enstandener optischer leistung die eine vorbeschriebene sicherheitsbegrenzung überschreitet Expired - Lifetime DE69713902T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK199601293A DK129396A (da) 1996-11-15 1996-11-15 Optisk forstærker og fremgangsmåde til forhindring af, at der fra en sådan udsendes optisk effekt, som overstiger en foresk
PCT/DK1997/000518 WO1998025361A1 (en) 1996-11-15 1997-11-14 An optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit

Publications (2)

Publication Number Publication Date
DE69713902D1 true DE69713902D1 (de) 2002-08-14
DE69713902T2 DE69713902T2 (de) 2003-02-06

Family

ID=8103212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713902T Expired - Lifetime DE69713902T2 (de) 1996-11-15 1997-11-14 Optischer verstärker und verfahren zur verhinderung von emission daraus enstandener optischer leistung die eine vorbeschriebene sicherheitsbegrenzung überschreitet

Country Status (6)

Country Link
US (1) US6243195B1 (de)
EP (1) EP0956666B1 (de)
AU (1) AU4940897A (de)
DE (1) DE69713902T2 (de)
DK (2) DK129396A (de)
WO (1) WO1998025361A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6583899B1 (en) 1998-12-31 2003-06-24 Cisco Photonics Italy S.R.L. Automatic protection system for an optical transmission system
US6681079B1 (en) * 2000-05-18 2004-01-20 Nortel Networks Limited Optical fibre monitoring system
GB0024453D0 (en) * 2000-10-05 2000-11-22 Nortel Networks Ltd Raman amplification
DE60218625T2 (de) * 2002-02-11 2007-06-28 Alcatel Lucent Schutzverfahren und Schnittstelle für fiberoptische Systeme
DE10246612A1 (de) * 2002-10-07 2004-04-15 Marconi Communications Gmbh Optisches Nachrichten verarbeitendes System, Komponenten und Betriebsverfahren dafür
WO2005004356A1 (ja) * 2003-07-04 2005-01-13 Nippon Telegraph And Telephone Corporation 遠隔励起を用いた光ファイバ通信システム
US7218442B2 (en) * 2005-03-04 2007-05-15 Jds Uniphase Corporation Optical communications system with fiber break detection in the presence of Raman amplification
US7508577B2 (en) * 2005-03-29 2009-03-24 Alcatel-Lucent Usa Inc. Method and system for suppressing ASE noise
JP5315839B2 (ja) * 2008-08-01 2013-10-16 日本電気株式会社 光通信装置及び光出力制御方法及び光通信システム及びプログラム
US8576481B2 (en) * 2010-08-03 2013-11-05 Finisar Israel Ltd. Method and apparatus of detecting an opening in an optical transmission fiber of a ROPA system
US9478931B2 (en) * 2013-02-04 2016-10-25 Nlight Photonics Corporation Method for actively controlling the optical output of a seed laser
US9263855B2 (en) 2013-03-15 2016-02-16 Nlight Photonics Corporation Injection locking of gain switched diodes for spectral narrowing and jitter stabilization
US10096965B2 (en) 2014-03-13 2018-10-09 Nlight, Inc. Algorithms for rapid gating of seed suspendable pulsed fiber laser amplifiers
US9806488B2 (en) 2015-06-30 2017-10-31 Nlight, Inc. Adaptive boost control for gating picosecond pulsed fiber lasers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222270B4 (de) * 1992-07-07 2007-09-13 Ericsson Ab Optische Verstärkerschaltung
US5428471A (en) * 1992-07-30 1995-06-27 Alcatel Network Systems, Inc. Fail-safe automatic shut-down apparatus and method for high output power optical communications system
JPH07176813A (ja) * 1993-12-17 1995-07-14 Fujitsu Ltd 光ファイバ増幅器
DK172234B1 (da) * 1995-05-10 1998-01-26 Dsc Communications As Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber
US5867305A (en) * 1996-01-19 1999-02-02 Sdl, Inc. Optical amplifier with high energy levels systems providing high peak powers

Also Published As

Publication number Publication date
DE69713902T2 (de) 2003-02-06
DK0956666T3 (da) 2002-10-07
WO1998025361A1 (en) 1998-06-11
EP0956666A1 (de) 1999-11-17
US6243195B1 (en) 2001-06-05
EP0956666B1 (de) 2002-07-10
DK129396A (da) 1998-05-16
AU4940897A (en) 1998-06-29

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