KR850005089A - 광학 섬유 증폭기 - Google Patents

광학 섬유 증폭기 Download PDF

Info

Publication number
KR850005089A
KR850005089A KR1019840007384A KR840007384A KR850005089A KR 850005089 A KR850005089 A KR 850005089A KR 1019840007384 A KR1019840007384 A KR 1019840007384A KR 840007384 A KR840007384 A KR 840007384A KR 850005089 A KR850005089 A KR 850005089A
Authority
KR
South Korea
Prior art keywords
optical fiber
optical
signal
wavelength
coupling
Prior art date
Application number
KR1019840007384A
Other languages
English (en)
Other versions
KR940007281B1 (ko
Inventor
존 샤우(외 1) 허버트
Original Assignee
닐스제이 레이미스
더 보드 오브 트러스티스 오브 더 리랜드 스탠포드 쥬니어 유니버시티
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24215114&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR850005089(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 닐스제이 레이미스, 더 보드 오브 트러스티스 오브 더 리랜드 스탠포드 쥬니어 유니버시티 filed Critical 닐스제이 레이미스
Publication of KR850005089A publication Critical patent/KR850005089A/ko
Application granted granted Critical
Publication of KR940007281B1 publication Critical patent/KR940007281B1/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • 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
    • H01S3/09—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
    • 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
    • H01S3/05—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
    • H01S3/06787—Bidirectional amplifier
    • 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
    • H01S3/094011—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with bidirectional pumping, i.e. with injection of the pump light from both two ends of the fibre

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Amplifiers (AREA)
  • Glass Compositions (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

내용 없음

Description

광학 섬유 증폭기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 각각의 기부(base)의 소정의 곡선 반경을 갖고 있는 각각의 아치형 홈내에 장착된 한 쌍의 광학섬유 가닥을 도시한 본 발명에서 멀티플랙서로서 사용된 광학섬유 결합기의 횡단면도.
제2도 및 제3도는 각각 선 2-2및 선 3-3을 따라 절취하여 도시한 제1도의 결합기의 횡단면도.

Claims (13)

  1. 레이즈할 물질로 도우피된 결정 광학섬유, 레이즈할 상기 물질의 레이징 주파수에서 신호소오스, 레이즈할 상기 물질을 펌핑하기 위한 펌프 광성 소오스, 한 단부가 상기 결정 광학 섬유의 한 단부에 결합되는 광학섬유 및 상기 신호들과 상기 펌프 광선을 상기 광학 섬유상에 결합시키기 위한 장치로 구성된 것을 특징으로 하는 광학섬유 증폭기.
  2. 제1항에 있어서, 상기 결합 장치가 광학 결합기로 구성된 것을 특징으로 하는 광학섬유 증폭기.
  3. 제2항에 있어서, 상기 광학 결합기가 단일 모우드 광학결합기로 구성된 것을 특징으로 하는 광학섬유 증폭기.
  4. 제2항에 있어서, 상기 광학 결합기가 미소 지역 결합을 사용하는 것을 특징으로 하는 광학섬유 증폭기.
  5. 제2항에 있어서, 상기 광학 결합기가 파장에 따라 변하는 결합 효율을 갖고 있고, 상기 신호 및 상기 펌프 광선의 파장이 상이하므로, 상기 신호 및 상기 펌프 광선에 대한 상이한 결합 효울을 발생시키는 것을 특징으로 하는 광학섬유 증폭기.
  6. 제1항에 있어서, 결합 광학 섬유가 도우프되는 물질이 상기 신호들의 주파수에서 레이저 전이를 갖고 있는 것을 특징으로 하는 광학섬유 증폭기.
  7. 제5항에 있어서, 신호 및 펌프 광선이 제1및 제2입력광학 섬유내로 각각 전송되고, 상기 광학섬유 결합기가 상기 펌프 광선 및 상기 신호중의 하나의 파장에서 상기 광학섬유의 결합 길이의 짝수배이고 상기 펌프 광선 및 상기 신호중의 다른 하나의 파장에서 상기 광학 섬유의 결합 길이의 홀수배인 유효 상호작용 길이를 갖고 있는 상호작용 지역을 제공하도록 상기 제1 및 제2입력 광학섬유와 나란히 배치된 것을 특징으로 하는 광학섬유 증폭기.
  8. 제7항에 있어서, 상기 입역 광학섬유 쌍이 상기 결합기를 상기 신호 및 상기 펌프 광선의 파장에 동조시키도록 상기 상호작용 지역에서 서로 축방향으로 편기되는 것을 특징으로 하는 광학섬유 증폭기.
  9. 제8항에 있어서, 상기 입력광학 섬유쌍이 아치형이고, 상기 아치형 광학섬유의 반경이 상기 펌프 광선과 상기 신호 사이의 파장 차이에 따라 선택되는 것을 특징으로 하는 광학섬유 증폭기.
  10. 제1항에 있어서, 상기 광학 섬유가 상기 펌프 광선의 파장에서 상기 결정 물질의 흡수길이 보다 작은 직경을 갖는 것을 특징으로 하는 광학섬유 증폭기.
  11. 상기 광선 신호 및 펌핑 조명을 단일 광학 섬유상에 결합시키는 수단 및 상기 펌핑 조명으로 펌프될때 상기 광선신호의 주파수에서 유도 방사선을 방출시키는 물질로 도우프된 결정 광학 섬유의 한 단부에 상기 단일 광학 섬유의 한 단부를 결합시키는 수단을 포함하는 것을 특징으로 하는 광선신호 증폭방법.
  12. 제11항에 있어서, 상기 결합 수단이 파장에 따라 변하는 결합 효율을 갖고 있는 광학 결합기내에서 상기 광선 신호 및 펌핑 조명을 멀티 프렉싱하는 수단을 특징으로 하는 광선신호 증폭방법.
  13. 제12항에 있어서, 상기 멀티플렉싱 수단이 한쌍의 광학섬유 사이에서 결합하도록 한쌍의 광학섬유를 나란히 배치하는 수단 및 상기 광선 신호를 상기 광학 섬유들 중의 1개의 광학섬유에 인가시키고 상기 펌핑 조명을 상기 광학섬유들 중의 다른 광학섬유에 인가시키는 수단을 포함하는 것을 특징으로 하는 광선신호 증폭방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840007384A 1983-11-25 1984-11-24 광섬유 증폭기 및 이를 이용한 광신호 증폭 방법 KR940007281B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/554,888 US4674830A (en) 1983-11-25 1983-11-25 Fiber optic amplifier
US554888 1983-11-25
US554,888 1983-11-25

Publications (2)

Publication Number Publication Date
KR850005089A true KR850005089A (ko) 1985-08-21
KR940007281B1 KR940007281B1 (ko) 1994-08-12

Family

ID=24215114

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840007384A KR940007281B1 (ko) 1983-11-25 1984-11-24 광섬유 증폭기 및 이를 이용한 광신호 증폭 방법

Country Status (11)

Country Link
US (1) US4674830A (ko)
EP (1) EP0143561B1 (ko)
JP (6) JPH0624273B2 (ko)
KR (1) KR940007281B1 (ko)
AT (1) ATE51326T1 (ko)
AU (1) AU3345284A (ko)
BR (1) BR8405953A (ko)
CA (1) CA1210488A (ko)
DE (1) DE3481750D1 (ko)
IL (1) IL72996A0 (ko)
NO (1) NO844512L (ko)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723824A (en) * 1983-11-25 1988-02-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4938556A (en) * 1983-11-25 1990-07-03 The Board Of Trustees Of The Leland Stanford Junior University Superfluorescent broadband fiber laser source
US4674830A (en) * 1983-11-25 1987-06-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
WO1986002171A1 (en) * 1984-10-01 1986-04-10 Polaroid Corporation Optical waveguide amplifier and laser
JPH0724395B2 (ja) * 1985-06-19 1995-03-15 ブリティシュ・テレコミュニケ−ションズ・パブリック・リミテッド・カンパニ 光送信装置
WO1987001246A1 (en) * 1985-08-13 1987-02-26 Robert Joseph Mears Fibre-optic lasers and amplifiers
DE3689040T2 (de) * 1986-01-06 1994-04-14 American Telephone & Telegraph Faseroptisches Einzelmoden-Kommunikationssystem.
US4883335A (en) * 1986-01-06 1989-11-28 American Telephone And Telegraph Company Single-mode optical fiber tap
US4738511A (en) * 1986-01-07 1988-04-19 Litton Systems, Inc. Molecular bonded fiber optic couplers and method of fabrication
GB8612956D0 (en) * 1986-05-28 1986-07-02 British Telecomm Optical signal regenerator
GB8613192D0 (en) * 1986-05-30 1986-07-02 British Telecomm Optical resonating device
US4905244A (en) * 1986-09-26 1990-02-27 United States Department Of Energy Heterodyne laser spectroscopy system
US4831631A (en) * 1986-09-29 1989-05-16 Siemens Aktiengesellschaft Laser transmitter comprising a semiconductor laser and an external resonator
JPH07120835B2 (ja) * 1986-12-26 1995-12-20 松下電器産業株式会社 光集積回路
US4835778A (en) * 1987-09-30 1989-05-30 Spectra-Physics, Inc. Subpicosecond fiber laser
GB2218534B (en) * 1988-05-14 1992-03-25 Stc Plc Active optical fibre star coupler
US4941726A (en) * 1988-08-31 1990-07-17 The Unites States Of America As Represented By The Secretary Of The Navy Tapered fiber amplifier
JPH02135323A (ja) * 1988-11-16 1990-05-24 Nippon Telegr & Teleph Corp <Ntt> 光リング共振器
EP0817335B1 (en) * 1988-12-07 2002-05-08 The Board Of Trustees Of The Leland Stanford Junior University Superfluorescent broadband fibre laser source
DE68928713T2 (de) * 1988-12-07 1998-10-29 Univ Leland Stanford Junior Breitbandige Superfluoreszenz-Faserlaserquelle
JPH0758377B2 (ja) * 1988-12-12 1995-06-21 日本電信電話株式会社 光ファイバ型光増幅器
JPH02306677A (ja) * 1989-05-22 1990-12-20 Nippon Telegr & Teleph Corp <Ntt> 光増幅器
JP2744471B2 (ja) * 1989-06-09 1998-04-28 日本電信電話株式会社 光増幅伝送回路
US4963832A (en) * 1989-08-08 1990-10-16 At&T Bell Laboratories Erbium-doped fiber amplifier coupling device
JPH0373934A (ja) * 1989-08-15 1991-03-28 Fujitsu Ltd 光増幅器
JP3137632B2 (ja) * 1989-08-31 2001-02-26 富士通株式会社 光ファイバ増幅器を備えた光通信方式
JP3062204B2 (ja) * 1989-10-13 2000-07-10 三菱電線工業株式会社 光増幅器
IT1236632B (it) * 1989-10-24 1993-03-25 Pirelli Cavi Spa Amplificatore per linee di telecomunicazioni a fibre ottiche e linee di telecomunicazioni a fibre ottiche incorporanti detto amplificatore
IT1237135B (it) * 1989-10-30 1993-05-24 Pirelli Cavi Spa Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggio.
IT1238333B (it) * 1990-01-22 1993-07-12 Pirelli Cavi Spa Amplificatore ottico di potenza a fibra attiva drogata
US5638204A (en) * 1990-01-22 1997-06-10 Pirelli Cavi S.P.A. Optical power amplifier with Al2 O3 and erbium doped active fiber
JPH03239231A (ja) * 1990-02-16 1991-10-24 Sumitomo Electric Ind Ltd 光スイッチ
DE4007097A1 (de) * 1990-03-07 1991-09-19 Daimler Benz Ag Optisches kommunikationssystem
DE4010712A1 (de) * 1990-04-03 1991-10-10 Standard Elektrik Lorenz Ag Optisches nachrichtenuebertragungssystem mit einem faseroptischen verstaerker
US5128801A (en) * 1991-01-30 1992-07-07 Corning Incorporated Integrated optical signal amplifier
CA2057264C (en) * 1991-02-15 1995-09-26 Hai-Pin Hsu Amplifier for optical fiber communication link
US5216728A (en) * 1991-06-14 1993-06-01 Corning Incorporated Optical fiber amplifier with filter
JP2693662B2 (ja) * 1991-07-16 1997-12-24 株式会社東芝 光増幅装置
DK168180B1 (da) * 1991-07-19 1994-02-21 Lycom As Fremgangsmåde til at forstærke et optisk signal, optisk forstærker til udøvelse af fremgangsmåden, og anvendelse af en sådan optisk forstærker som lyskilde
JP3019566B2 (ja) * 1991-12-27 2000-03-13 日本電気株式会社 光増幅器
US5155780A (en) * 1992-01-27 1992-10-13 At&T Bell Laboratories Optical limiting amplifier
GB2268621B (en) * 1992-06-27 1995-11-22 Northern Telecom Ltd Optical fibre amplifier
IL106766A (en) * 1992-08-28 1995-12-31 Hughes Aircraft Co Two-way sebo-optical amplifier for missile guidance data channel repeater
JP2994577B2 (ja) * 1994-08-31 1999-12-27 株式会社エイ・ティ・アール光電波通信研究所 光増幅装置
US5761225A (en) * 1996-05-23 1998-06-02 Litton Systems, Inc. Optical fiber amplifier eled light source with a relative intensity noise reduction system
US5757541A (en) * 1997-01-15 1998-05-26 Litton Systems, Inc. Method and apparatus for an optical fiber amplifier
US7576909B2 (en) * 1998-07-16 2009-08-18 Imra America, Inc. Multimode amplifier for amplifying single mode light
US7656578B2 (en) * 1997-03-21 2010-02-02 Imra America, Inc. Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking
US5898801A (en) 1998-01-29 1999-04-27 Lockheed Martin Corporation Optical transport system
US5930029A (en) * 1997-12-02 1999-07-27 Sdl, Inc. Optical fiber amplifier with optimized power conversion
JP2000068929A (ja) * 1998-08-17 2000-03-03 Tsutomu Kimura 光通信システム
US6628861B1 (en) * 1999-01-06 2003-09-30 General Photonics Corporation Control of guided light in waveguide using external adjustable grating
JP2002144125A (ja) 2000-08-31 2002-05-21 Mitsubishi Materials Corp 穴明け工具
US20020101874A1 (en) * 2000-11-21 2002-08-01 Whittaker G. Allan Physical layer transparent transport information encapsulation methods and systems
US6643058B2 (en) * 2000-12-27 2003-11-04 Avanex Corporation Pumping method and unit for optical amplifiers
US6690507B2 (en) 2002-01-30 2004-02-10 Corning Incorporated Double-pumped raman amplifier
US7085497B2 (en) 2002-04-03 2006-08-01 Lockheed Martin Corporation Vehicular communication system
US6912339B2 (en) * 2002-09-27 2005-06-28 Lockheed Martin Corporation Optical interface devices having balanced amplification
US20040076434A1 (en) * 2002-09-27 2004-04-22 Whittaker G. Allan Optical distribution network for RF and other analog signals
US7269190B2 (en) * 2002-10-02 2007-09-11 The Board Of Trustees Of The Leland Stanford Junior University Er-doped superfluorescent fiber source with enhanced mean wavelength stability
US7283480B1 (en) 2002-11-12 2007-10-16 Lockheed Martin Corporation Network system health monitoring using cantor set signals
US7349629B1 (en) 2002-11-26 2008-03-25 Lockheed Martin Corporation Methods and systems for creating a digital interconnect fabric
CA2514800C (en) 2003-02-07 2014-01-07 Southampton Photonics Ltd. Apparatus for providing optical radiation
US7570887B2 (en) * 2003-03-31 2009-08-04 Lockheed Martin Corporation Optical network interface systems and devices
US7424228B1 (en) 2003-03-31 2008-09-09 Lockheed Martin Corporation High dynamic range radio frequency to optical link
US7440699B1 (en) 2004-06-28 2008-10-21 Lockheed Martin Corporation Systems, devices and methods for transmitting and receiving signals on an optical network
DE102004047628B4 (de) * 2004-09-30 2008-09-18 Heckler & Koch Gmbh Waffensimulator und Feuerwaffe dafür
US20080019704A1 (en) * 2006-05-31 2008-01-24 Campillo Anthony L Interferometer-based chromatic dispersion monitor
WO2014121144A1 (en) * 2013-02-01 2014-08-07 The Board Of Trustees Of The Leland Stanford Junior University Coupled waveguides for slow light sensor applications
CN112152066B (zh) * 2020-09-16 2021-09-10 飞秒激光研究中心（广州）有限公司 激光脉冲能量放大装置、方法及飞秒激光器

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230474A (en) * 1962-02-16 1966-01-18 Paul H Keck Solid state laser and pumping means therefor using a light condensing system
US3731225A (en) * 1962-04-02 1973-05-01 Sanders Associates Inc Fiber optic laser system
DE1439469C3 (de) * 1964-11-12 1973-10-11 Siemens Ag, 1000 Berlin U. 8000 Muenchen Optischer Sender fur kohärente Strahlung
GB1094639A (en) * 1966-05-31 1967-12-13 Standard Telephones Cables Ltd A thin film surface wave mode dielectric waveguide
US3456211A (en) * 1966-06-16 1969-07-15 American Optical Corp Fiber laser structures and the like
US3703992A (en) † 1971-03-17 1972-11-28 Lloyd Merryweather Sprinkler head protector
DE2216747C3 (de) * 1972-04-07 1975-12-04 Eltro Gmbh, Gesellschaft Fuer Strahlungstechnik, 6900 Heidelberg Optischer Verstärker
US3753145A (en) * 1972-06-26 1973-08-14 Bell Telephone Labor Inc Compact end-pumped solid-state laser
US3950707A (en) * 1973-04-13 1976-04-13 Canadian Patents And Development Limited Quantum amplifier having passive core and active cladding providing signal gain by interaction of evanescent-wave components of signal and pump beams propagating along the core
US3914709A (en) * 1973-05-14 1975-10-21 Jersey Nuclear Avco Isotopes Apparatus for lengthening laser output pulse duration
US3902130A (en) * 1973-05-14 1975-08-26 Jersey Nuclear Avco Isotopes Improved apparatus for lengthening laser output pulse duration
US3975692A (en) * 1973-07-05 1976-08-17 Westinghouse Electric Corporation Control of laser output characteristics by fluid streams
US3957341A (en) * 1974-09-03 1976-05-18 The United States Of America As Represented By The Secretary Of The Navy Passive frequency-selective optical coupler
JPS579041B2 (ko) * 1974-11-29 1982-02-19
JPS52104942A (en) * 1976-02-28 1977-09-02 Agency Of Ind Science & Technol Fiber, laser, plate device
JPS5926006B2 (ja) * 1977-01-22 1984-06-23 日本電信電話株式会社 光結合器の製造方法
JPS593902B2 (ja) * 1978-04-07 1984-01-26 ケイディディ株式会社 光中継器監視方式
US4300811A (en) * 1978-08-28 1981-11-17 Rca Corporation III-V Direct-bandgap semiconductor optical filter
JPS5576308A (en) * 1978-12-05 1980-06-09 Nippon Telegr & Teleph Corp <Ntt> Optical period waveform branching filter
JPS596538B2 (ja) * 1979-02-08 1984-02-13 ケイディディ株式会社 光中継器監視方式
US4315666A (en) * 1979-03-19 1982-02-16 Hicks Jr John W Coupled communications fibers
US4342499A (en) * 1979-03-19 1982-08-03 Hicks Jr John W Communications tuning construction
DE2916234A1 (de) * 1979-04-21 1980-10-30 Philips Patentverwaltung Kopplungsvorrichtung zum ein- bzw. auskoppeln von optischen signalen in eine bzw. aus einer uebertragungsglasfaser
US4243297A (en) * 1979-06-27 1981-01-06 International Communications And Energy, Inc. Optical wavelength division multiplexer mixer-splitter
US4258336A (en) * 1979-07-20 1981-03-24 The United States Of America As Represented By The Secretary Of The Navy Pulsed ring laser fiber gyro
US4291984A (en) * 1979-11-19 1981-09-29 The United States Of America As Represented By The Secretary Of The Navy Optical amplification for the fiber interferometer gyro
US4323310A (en) * 1979-12-05 1982-04-06 The United States Of America As Represented By The Secretary Of The Air Force Fiber optic rotation sensing interferometer
US4301543A (en) * 1980-02-20 1981-11-17 General Dynamics Corporation, Pomona Division Fiber optic transceiver and full duplex point-to-point data link
US4307933A (en) * 1980-02-20 1981-12-29 General Dynamics, Pomona Division Optical fiber launch coupler
US4493528A (en) * 1980-04-11 1985-01-15 Board Of Trustees Of The Leland Stanford Junior University Fiber optic directional coupler
US4343532A (en) * 1980-06-16 1982-08-10 General Dynamics, Pomona Division Dual directional wavelength demultiplexer
US4335933A (en) * 1980-06-16 1982-06-22 General Dynamics, Pomona Division Fiber optic wavelength demultiplexer
JPS5785004A (en) * 1980-11-17 1982-05-27 Nec Corp Fiber optical phase modulator
JPS6037639B2 (ja) * 1980-12-12 1985-08-27 日本電信電話株式会社 光信号増幅器
US4383318A (en) * 1980-12-15 1983-05-10 Hughes Aircraft Company Laser pumping system
IL65344A (en) † 1981-03-31 1987-08-31 Univ Leland Stanford Junior Single continuous optical fiber rotation sensor
JPS5853243A (ja) * 1981-09-25 1983-03-29 Nippon Telegr & Teleph Corp <Ntt> 光伝送方式
US4556279A (en) † 1981-11-09 1985-12-03 Board Of Trustees Of The Leland Stanford Junior University Passive fiber optic multiplexer
JPS58115948A (ja) † 1981-12-29 1983-07-09 Nec Corp 双方向光増幅器
US4515431A (en) * 1982-08-11 1985-05-07 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4546476A (en) * 1982-12-10 1985-10-08 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4603940A (en) * 1983-08-30 1986-08-05 Board Of Trustees Of The Leland Stanford Junior University Fiber optic dye amplifier
US4554510A (en) * 1983-09-12 1985-11-19 The Board Of Trustees Of Leland Stanford Junior University Switching fiber optic amplifier
US4553238A (en) * 1983-09-30 1985-11-12 The Board Of Trustees Of The Leland Stanford University Fiber optic amplifier
US4674830A (en) * 1983-11-25 1987-06-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier

Also Published As

Publication number Publication date
JP2789083B2 (ja) 1998-08-20
DE3481750D1 (de) 1990-04-26
BR8405953A (pt) 1985-09-10
JPH0624273B2 (ja) 1994-03-30
NO844512L (no) 1985-05-28
AU3345284A (en) 1985-05-30
CA1210488A (en) 1986-08-26
EP0143561A3 (en) 1987-10-07
JP2003347634A (ja) 2003-12-05
US4674830A (en) 1987-06-23
JPS60157279A (ja) 1985-08-17
JPH10144981A (ja) 1998-05-29
ATE51326T1 (de) 1990-04-15
KR940007281B1 (ko) 1994-08-12
JP2000004058A (ja) 2000-01-07
JP2915872B2 (ja) 1999-07-05
JPH10135550A (ja) 1998-05-22
IL72996A0 (en) 1984-12-31
EP0143561B1 (en) 1990-03-21
EP0143561A2 (en) 1985-06-05
JPH08213682A (ja) 1996-08-20

Similar Documents

Publication Publication Date Title
KR850005089A (ko) 광학 섬유 증폭기
KR840006414A (ko) 광학 섬유 증폭기
KR920006591B1 (ko) 광섬유 증폭기
KR840006704A (ko) 광학섬유 스위치 및 불연속 가변 지연선
BR8306770A (pt) Dispositivo otico de fibras para produzir luz coerente e processo para amplificar um sinal de luz
KR890012181A (ko) 광 신호 증폭
KR980003655A (ko) 광섬유 증폭기 및 섬유 광발생기
DE197943T1 (de) Verst(gamma)rker frr optischen wellenleiter und laser.
MX165770B (es) Aparato de iluminacion y metodo
KR920018496A (ko) 광섬유 증폭기 및 커플러
GB2341457A (en) Single mode optical fibre
EP0112076A3 (en) Light source for optic communication system
ES2086188T3 (es) Generador de señales opticas para equipamientos de telecomunicacion.
KR950703748A (ko) 광도파관의 비선형성(enhancing the nonlinearity of an optical waveguide)
BR8404823A (pt) Dispositivo de fibras opticas para produzir luz coerente e processo de bombeamento lateral de uma fibra optica
KR970009005A (ko) 4개의 웨이브(wave) 혼합으로 인한 광 노이즈 감소 장치
ES2131597T3 (es) Generadores laser de fibra optica con enganche de modo activo.
KR880013357A (ko) 광섬유 통신 시스템
CA2064719A1 (en) Interferometer utilizing superfluorescent optical source
KR950033498A (ko) 전계센서
KR840007460A (ko) 인공 광원장치
KR970077758A (ko) 편광된 초형광 섬유원
KR910008439A (ko) 광섬유 원격통신 회선용 증폭기 및 이 증폭기를 합체하는 광섬유 원격 통신 회선
JPS6151768B2 (ko)
KR100256435B1 (ko) 광파이버의 광소스 및 저 시간적 간섭성을 갖는 광의 발생방법

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040810

Year of fee payment: 11

EXPY Expiration of term