WO2002058198A3 - Broadband optical amplifier - Google Patents

Broadband optical amplifier Download PDF

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Publication number
WO2002058198A3
WO2002058198A3 PCT/US2002/001806 US0201806W WO02058198A3 WO 2002058198 A3 WO2002058198 A3 WO 2002058198A3 US 0201806 W US0201806 W US 0201806W WO 02058198 A3 WO02058198 A3 WO 02058198A3
Authority
WO
WIPO (PCT)
Prior art keywords
pump wavelengths
wdm
raman gain
optical amplifier
input
Prior art date
Application number
PCT/US2002/001806
Other languages
French (fr)
Other versions
WO2002058198A2 (en
Inventor
Mohammed N Islam
Carl A Dewilde
Michael J Freeman
Original Assignee
Xtera Communications Inc
Mohammed N Islam
Carl A Dewilde
Michael J Freeman
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 Xtera Communications Inc, Mohammed N Islam, Carl A Dewilde, Michael J Freeman filed Critical Xtera Communications Inc
Priority to AU2002243631A priority Critical patent/AU2002243631A1/en
Publication of WO2002058198A2 publication Critical patent/WO2002058198A2/en
Publication of WO2002058198A3 publication Critical patent/WO2002058198A3/en

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/2525—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres
    • H04B10/25253—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres with dispersion management, i.e. using a combination of different kind of fibres in the transmission system
    • 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
    • H04B10/29—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
    • H01S3/05—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
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094015—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with pump light recycling, i.e. with reinjection of the unused pump light back into the fiber, e.g. by reflectors or circulators
    • 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

Abstract

A Raman amplifier apparatus (1400) includes an optical transmission line with an input (1430) to receive an optical signal, an output (1440) that passes the optical signal, a first Raman gain fiber (1410) and a second Raman gain fiber (1420). A first WDM (1460) is positioned between the second Raman gain fiber (1420) and the output (1440). A first set of pump wavelengths (1480) is input to the first WDM (1460). A second WDM (1450) is positioned between the first and the second Raman gain fibers. A second set of pump wavelengths (1470) is input to the second WDM (1450). At least a portion of the first set of pump wavelengths are different than the second set of pump wavelengths(1480) are different than the second set of pump wavelengths (1470). The first and second set of pump wavelengths propagate in the same direction.
PCT/US2002/001806 2001-01-22 2002-01-22 Broadband optical amplifier WO2002058198A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002243631A AU2002243631A1 (en) 2001-01-22 2002-01-22 Broadband optical amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/768,367 2001-01-22
US09/768,367 US6574037B2 (en) 1998-06-16 2001-01-22 All band amplifier

Publications (2)

Publication Number Publication Date
WO2002058198A2 WO2002058198A2 (en) 2002-07-25
WO2002058198A3 true WO2002058198A3 (en) 2002-10-10

Family

ID=25082284

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/001806 WO2002058198A2 (en) 2001-01-22 2002-01-22 Broadband optical amplifier

Country Status (3)

Country Link
US (2) US6574037B2 (en)
AU (1) AU2002243631A1 (en)
WO (1) WO2002058198A2 (en)

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US6876489B2 (en) 2005-04-05
US6574037B2 (en) 2003-06-03
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WO2002058198A2 (en) 2002-07-25
US20020063948A1 (en) 2002-05-30

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