DE69941647D1 - Optischer Verstärker mit Mitteln zur Wiedereinführung der spontanen Emission in den Verstärker - Google Patents

Optischer Verstärker mit Mitteln zur Wiedereinführung der spontanen Emission in den Verstärker

Info

Publication number
DE69941647D1
DE69941647D1 DE69941647T DE69941647T DE69941647D1 DE 69941647 D1 DE69941647 D1 DE 69941647D1 DE 69941647 T DE69941647 T DE 69941647T DE 69941647 T DE69941647 T DE 69941647T DE 69941647 D1 DE69941647 D1 DE 69941647D1
Authority
DE
Germany
Prior art keywords
amplifier
reintroducing
spontaneous emission
optical amplifier
optical
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
DE69941647T
Other languages
English (en)
Inventor
Takafumi Terahara
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
Application granted granted Critical
Publication of DE69941647D1 publication Critical patent/DE69941647D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S3/09—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
    • H01S3/094003—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
    • 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
    • H01S3/094023—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with ASE light recycling, with reinjection of the ASE light back into the fiber, e.g. by reflectors or circulators
    • 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
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DE69941647T 1998-04-27 1999-04-23 Optischer Verstärker mit Mitteln zur Wiedereinführung der spontanen Emission in den Verstärker Expired - Lifetime DE69941647D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11704398A JP4179662B2 (ja) 1998-04-27 1998-04-27 光増幅器及び能動型光ファイバ

Publications (1)

Publication Number Publication Date
DE69941647D1 true DE69941647D1 (de) 2010-01-07

Family

ID=14702030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941647T Expired - Lifetime DE69941647D1 (de) 1998-04-27 1999-04-23 Optischer Verstärker mit Mitteln zur Wiedereinführung der spontanen Emission in den Verstärker

Country Status (4)

Country Link
US (1) US6501592B2 (de)
EP (1) EP0954070B1 (de)
JP (1) JP4179662B2 (de)
DE (1) DE69941647D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269177B1 (ko) * 1998-08-04 2000-10-16 윤종용 장파장 광섬유 증폭기
JP2000236127A (ja) * 1999-02-17 2000-08-29 Nec Corp 光ファイバ増幅器
FR2791820B1 (fr) * 1999-03-29 2001-10-19 Cit Alcatel Amplificateur a fibre optique monobande
JP2002232044A (ja) * 2001-01-31 2002-08-16 Fujitsu Ltd 光ファイバ増幅器
US6507430B2 (en) * 2001-02-23 2003-01-14 Photon X, Inc. Long wavelength optical amplifier
US6731426B2 (en) 2001-02-23 2004-05-04 Photon-X, Inc. Long wavelength optical amplifier
AU2002258390A1 (en) * 2001-02-23 2002-09-12 Photon-X, Inc Long wavelength optical amplifier
KR20020077061A (ko) * 2001-03-28 2002-10-11 주식회사 네오텍리서치 장파장대역용 이득고정 에르븀첨가 광섬유증폭기
EP1248331A1 (de) * 2001-04-06 2002-10-09 Mercury Corporation Faseroptischer L-Band-Verstärker
US6867910B2 (en) * 2001-04-24 2005-03-15 Kyocera Corporation Wideband ASE light source
US6650400B2 (en) * 2001-06-13 2003-11-18 Nortel Networks Limited Optical fibre amplifiers
US6781748B2 (en) 2001-09-28 2004-08-24 Photon-X, Llc Long wavelength optical amplifier
KR20030075295A (ko) * 2002-03-18 2003-09-26 주식회사 네오텍리서치 장파장대역용 에르븀첨가 광섬유증폭기
KR100594038B1 (ko) 2003-12-19 2006-06-30 삼성전자주식회사 높은 증폭 효율과 안정된 출력을 갖는 엘-밴드 광원
KR100622015B1 (ko) 2004-10-07 2006-09-19 한국전자통신연구원 증폭된 자발방출광(ａｓｅ) 반사형 이득고정형 광섬유증폭기
EP1974423A4 (de) * 2006-01-20 2010-06-09 Massachusetts Inst Technology Oberflächenemittierender faserlaser
JP5014640B2 (ja) * 2006-02-15 2012-08-29 株式会社フジクラ マルチモードファイバ、光増幅器及びファイバレーザ
US7830946B2 (en) * 2006-03-29 2010-11-09 Lawrence Livermore National Security, Llc Grating enhanced solid-state laser amplifiers
JP4960198B2 (ja) * 2007-11-08 2012-06-27 日本電信電話株式会社 光ファイバ増幅器
JP4698746B2 (ja) * 2009-04-23 2011-06-08 富士通株式会社 波長分散補償器
JP5353582B2 (ja) * 2009-09-10 2013-11-27 富士通株式会社 光増幅装置
JP5512348B2 (ja) * 2010-03-29 2014-06-04 株式会社フジクラ 光学部品付き増幅用光ファイバ、及び、これを用いたファイバレーザ装置
KR20140092214A (ko) * 2013-01-15 2014-07-23 오므론 가부시키가이샤 레이저 발진기
US20220337016A1 (en) * 2019-09-26 2022-10-20 Nippon Telegraph And Telephone Corporation Optical amplifier

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02153327A (ja) 1988-12-06 1990-06-13 Oki Electric Ind Co Ltd 光増幅モジュール
CA2019253C (en) 1989-06-23 1994-01-11 Shinya Inagaki Optical fiber amplifier
JPH03135081A (ja) 1989-10-20 1991-06-10 Nec Corp 光増幅器
IT1237135B (it) 1989-10-30 1993-05-24 Pirelli Cavi Spa Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggio.
JP2840713B2 (ja) 1990-11-27 1998-12-24 日本電信電話株式会社 光パルス整形方法
GB2254183B (en) * 1991-03-27 1995-01-18 Marconi Gec Ltd An amplifier/filter combination
US5191586A (en) * 1991-07-18 1993-03-02 General Instrument Corporation Narrow band incoherent optical carrier generator
US5283686A (en) * 1992-07-27 1994-02-01 General Instrument Corporation, Jerrold Communications Optical systems with grating reflector
JP3012760B2 (ja) * 1993-10-25 2000-02-28 三菱電機株式会社 光増幅器及び分配システム及びローカル・エリア・ネットワーク及び利得制御方法
JP4001621B2 (ja) * 1994-02-18 2007-10-31 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 利得制御光ファイバ増幅器
KR100269177B1 (ko) * 1998-08-04 2000-10-16 윤종용 장파장 광섬유 증폭기
JP2000236127A (ja) * 1999-02-17 2000-08-29 Nec Corp 光ファイバ増幅器

Also Published As

Publication number Publication date
EP0954070A2 (de) 1999-11-03
EP0954070B1 (de) 2009-11-25
JP4179662B2 (ja) 2008-11-12
JPH11307855A (ja) 1999-11-05
US20020044344A1 (en) 2002-04-18
EP0954070A3 (de) 2001-04-04
US6501592B2 (en) 2002-12-31

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Legal Events

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