ITMI20022079A1 - Amplificatore di raman. - Google Patents

Amplificatore di raman.

Info

Publication number
ITMI20022079A1
ITMI20022079A1 IT002079A ITMI20022079A ITMI20022079A1 IT MI20022079 A1 ITMI20022079 A1 IT MI20022079A1 IT 002079 A IT002079 A IT 002079A IT MI20022079 A ITMI20022079 A IT MI20022079A IT MI20022079 A1 ITMI20022079 A1 IT MI20022079A1
Authority
IT
Italy
Prior art keywords
raman amplifier
raman
amplifier
Prior art date
Application number
IT002079A
Other languages
English (en)
Inventor
Muro Rodolfo Di
Paolo Fella
Original Assignee
Marconi Comm Ltd
Marconi Comm Spa
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 Marconi Comm Ltd, Marconi Comm Spa filed Critical Marconi Comm Ltd
Priority to IT002079A priority Critical patent/ITMI20022079A1/it
Priority to US10/529,822 priority patent/US7170672B2/en
Priority to PCT/GB2003/004195 priority patent/WO2004032383A1/en
Priority to EP03753705A priority patent/EP1559217A1/en
Priority to CNB038236966A priority patent/CN100539477C/zh
Priority to AU2003271867A priority patent/AU2003271867A1/en
Publication of ITMI20022079A1 publication Critical patent/ITMI20022079A1/it

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
    • H04B10/2912—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
    • H04B10/2916—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 using Raman or Brillouin 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
    • 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
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
    • 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
    • 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
    • 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
    • H01S3/09—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
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
IT002079A 2002-10-02 2002-10-02 Amplificatore di raman. ITMI20022079A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT002079A ITMI20022079A1 (it) 2002-10-02 2002-10-02 Amplificatore di raman.
US10/529,822 US7170672B2 (en) 2002-10-02 2003-09-29 Raman amplifier
PCT/GB2003/004195 WO2004032383A1 (en) 2002-10-02 2003-09-29 Raman amplifier
EP03753705A EP1559217A1 (en) 2002-10-02 2003-09-29 Raman amplifier
CNB038236966A CN100539477C (zh) 2002-10-02 2003-09-29 拉曼放大器
AU2003271867A AU2003271867A1 (en) 2002-10-02 2003-09-29 Raman amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT002079A ITMI20022079A1 (it) 2002-10-02 2002-10-02 Amplificatore di raman.

Publications (1)

Publication Number Publication Date
ITMI20022079A1 true ITMI20022079A1 (it) 2004-04-03

Family

ID=32051220

Family Applications (1)

Application Number Title Priority Date Filing Date
IT002079A ITMI20022079A1 (it) 2002-10-02 2002-10-02 Amplificatore di raman.

Country Status (6)

Country Link
US (1) US7170672B2 (it)
EP (1) EP1559217A1 (it)
CN (1) CN100539477C (it)
AU (1) AU2003271867A1 (it)
IT (1) ITMI20022079A1 (it)
WO (1) WO2004032383A1 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100373252C (zh) * 2004-05-20 2008-03-05 北京大学 分布式拉曼放大器
US7672042B2 (en) 2005-02-24 2010-03-02 At&T Corporation Fast dynamic gain control in an optical fiber amplifier
US7142356B2 (en) 2005-02-24 2006-11-28 At&T Corp. Fast dynamic gain control in an optical fiber amplifier
CA2533478A1 (en) * 2005-02-24 2006-08-24 At&T Corp. Fast dynamic gain control in an optical fiber amplifier
US7280269B2 (en) 2005-11-15 2007-10-09 At&T Corporation Fast dynamic gain control in cascaded Raman fiber amplifiers
US7277221B2 (en) 2005-11-15 2007-10-02 At&T Corp. Fast dynamic gain control in cascaded Raman fiber amplifiers
US7280271B2 (en) 2005-11-15 2007-10-09 At&T Corp. Fast dynamic gain control in cascaded Raman fiber amplifiers
US7280270B2 (en) 2005-11-15 2007-10-09 At&T Corporation Fast dynamic gain control in cascaded Raman fiber amplifiers
US7916384B2 (en) 2006-05-02 2011-03-29 At&T Intellectual Property Ii, L.P. Feedback dynamic gain control for a WDM system employing multi wavelength pumped Raman fiber amplifiers
US7446932B2 (en) 2006-06-15 2008-11-04 At&T Corporation Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control
US20120002283A1 (en) * 2010-06-30 2012-01-05 Chongjin Xie Method and apparatus for raman co-pumps
GB2487194A (en) * 2011-01-11 2012-07-18 Oclaro Technology Ltd Polarisation rotator and multiplexing arrangement for combining multiple wavelength sources into depolarised output suitable for Raman pumping
US9059799B2 (en) * 2011-04-21 2015-06-16 Futurewei Technologies, Inc. Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
US9281655B2 (en) * 2013-05-22 2016-03-08 Lumentum Operations Llc Transmission link with multiple order Raman pumps
US9685762B1 (en) * 2014-09-30 2017-06-20 Aurrion, Inc. Semiconductor optical amplifier with gain flattening filter
CN107124224B (zh) * 2017-06-22 2019-06-14 武汉光迅科技股份有限公司 一种自适应波段放大方法及放大器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1316178A2 (en) 2000-08-01 2003-06-04 HRL Laboratories Method and apparatus for signaling among a plurality of agents
US6700696B2 (en) 2000-08-09 2004-03-02 Jds Uniphase Corporation High order fiber Raman amplifiers
US6724524B1 (en) 2000-08-18 2004-04-20 Corning Incorporated Gain control in Raman amplifiers
JP4821037B2 (ja) 2000-08-25 2011-11-24 富士通株式会社 ラマン増幅を用いた光増幅器およびラマン励起光源
US6690504B1 (en) * 2001-03-16 2004-02-10 Tyco Telecommunications (Us) Inc. System and method for controlling spectral distribution of output power in a Raman amplifier
US6958856B2 (en) * 2001-06-07 2005-10-25 Sumitomo Electric Industries, Ltd. Raman amplifier, raman amplifier control method, and optical communication system
DE60234795D1 (de) * 2001-06-29 2010-02-04 Sumitomo Electric Industries Pumplichtquelleneinheit, Ramanverstärker und optisches Übertragungssystem

Also Published As

Publication number Publication date
AU2003271867A8 (en) 2004-04-23
US7170672B2 (en) 2007-01-30
EP1559217A1 (en) 2005-08-03
US20060126158A1 (en) 2006-06-15
AU2003271867A1 (en) 2004-04-23
WO2004032383A1 (en) 2004-04-15
CN100539477C (zh) 2009-09-09
CN1689254A (zh) 2005-10-26

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