JP2003298527A - ラマン増幅を用いた光ファイバ伝送のための方法及び装置 - Google Patents

ラマン増幅を用いた光ファイバ伝送のための方法及び装置

Info

Publication number
JP2003298527A
JP2003298527A JP2002100364A JP2002100364A JP2003298527A JP 2003298527 A JP2003298527 A JP 2003298527A JP 2002100364 A JP2002100364 A JP 2002100364A JP 2002100364 A JP2002100364 A JP 2002100364A JP 2003298527 A JP2003298527 A JP 2003298527A
Authority
JP
Japan
Prior art keywords
optical
pump light
optical fiber
raman amplifier
fiber transmission
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.)
Pending
Application number
JP2002100364A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003298527A5 (enExample
Inventor
Takashi Yamaguchi
貴嗣 山口
Toshihiro Otani
俊博 大谷
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2002100364A priority Critical patent/JP2003298527A/ja
Priority to US10/390,192 priority patent/US20030234973A1/en
Publication of JP2003298527A publication Critical patent/JP2003298527A/ja
Publication of JP2003298527A5 publication Critical patent/JP2003298527A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01S3/094038—End 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems
    • 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
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
JP2002100364A 2002-04-02 2002-04-02 ラマン増幅を用いた光ファイバ伝送のための方法及び装置 Pending JP2003298527A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002100364A JP2003298527A (ja) 2002-04-02 2002-04-02 ラマン増幅を用いた光ファイバ伝送のための方法及び装置
US10/390,192 US20030234973A1 (en) 2002-04-02 2003-03-18 Method and device for optical fiber transmission using raman amplification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002100364A JP2003298527A (ja) 2002-04-02 2002-04-02 ラマン増幅を用いた光ファイバ伝送のための方法及び装置

Publications (2)

Publication Number Publication Date
JP2003298527A true JP2003298527A (ja) 2003-10-17
JP2003298527A5 JP2003298527A5 (enExample) 2005-09-15

Family

ID=29388379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002100364A Pending JP2003298527A (ja) 2002-04-02 2002-04-02 ラマン増幅を用いた光ファイバ伝送のための方法及び装置

Country Status (2)

Country Link
US (1) US20030234973A1 (enExample)
JP (1) JP2003298527A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009004688A1 (ja) * 2007-06-29 2009-01-08 Fujikura Ltd. 光増幅器、ファイバレーザ及び反射光除去方法
US7519300B2 (en) 2004-02-24 2009-04-14 Fujitsu Limited Optical output control method for use in optical transmission node and optical output control apparatus for use in the same
US8295314B2 (en) 2007-06-27 2012-10-23 Fujikura Ltd. Fiber laser having superior resistance to reflection light
US20130242379A1 (en) * 2012-03-13 2013-09-19 Adva Ag Optical Networking Method for controlling signal gain of a raman amplifier
WO2021240731A1 (ja) * 2020-05-28 2021-12-02 日本電信電話株式会社 光漏洩確認方法、光漏洩確認装置、およびプログラム

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7218387B2 (en) * 2004-06-28 2007-05-15 Sbc Knowledge Ventures, L.P. Method and apparatus for providing visual information indicative of tested fiber optic component

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2019253C (en) * 1989-06-23 1994-01-11 Shinya Inagaki Optical fiber amplifier
JP2002040495A (ja) * 2000-07-21 2002-02-06 Sumitomo Electric Ind Ltd ラマン増幅器
WO2002021204A1 (fr) * 2000-09-07 2002-03-14 Fujitsu Limited Amplificateur optique a amplification raman
JP3904835B2 (ja) * 2001-01-29 2007-04-11 株式会社日立製作所 光増幅器、光ファイバラマン光増幅器、及び光システム
US6433922B1 (en) * 2001-02-26 2002-08-13 Redc Optical Networks Ltd. Apparatus and method for a self adjusting Raman amplifier
US6850360B1 (en) * 2001-04-16 2005-02-01 Bookham, Inc. Raman amplifier systems with diagnostic capabilities
US6807001B1 (en) * 2001-04-17 2004-10-19 Sycamore Networks, Inc. Auto shutdown for distributed raman amplifiers on optical communication systems

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7519300B2 (en) 2004-02-24 2009-04-14 Fujitsu Limited Optical output control method for use in optical transmission node and optical output control apparatus for use in the same
US8295314B2 (en) 2007-06-27 2012-10-23 Fujikura Ltd. Fiber laser having superior resistance to reflection light
WO2009004688A1 (ja) * 2007-06-29 2009-01-08 Fujikura Ltd. 光増幅器、ファイバレーザ及び反射光除去方法
US8004753B2 (en) 2007-06-29 2011-08-23 Fujikura Ltd. Optical amplifier, fiber laser, and method of eliminating reflected light
JP5114388B2 (ja) * 2007-06-29 2013-01-09 株式会社フジクラ 光増幅器、ファイバレーザ及び反射光除去方法
US20130242379A1 (en) * 2012-03-13 2013-09-19 Adva Ag Optical Networking Method for controlling signal gain of a raman amplifier
US8854726B2 (en) * 2012-03-13 2014-10-07 Adva Optical Networking Se Method for controlling signal gain of a Raman amplifier
US9379513B2 (en) 2012-03-13 2016-06-28 Adva Optical Networking Se Method for controlling signal gain of a raman amplifier
WO2021240731A1 (ja) * 2020-05-28 2021-12-02 日本電信電話株式会社 光漏洩確認方法、光漏洩確認装置、およびプログラム
JPWO2021240731A1 (enExample) * 2020-05-28 2021-12-02
JP7481646B2 (ja) 2020-05-28 2024-05-13 日本電信電話株式会社 光漏洩確認方法、光漏洩確認装置、およびプログラム
US12199664B2 (en) 2020-05-28 2025-01-14 Nippon Telegraph And Telephone Corporation Light leakage confirmation method, light leakage confirmation apparatus and program

Also Published As

Publication number Publication date
US20030234973A1 (en) 2003-12-25

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