NO843595L - Fiberoptisk forsterker - Google Patents
Fiberoptisk forsterkerInfo
- Publication number
- NO843595L NO843595L NO843595A NO843595A NO843595L NO 843595 L NO843595 L NO 843595L NO 843595 A NO843595 A NO 843595A NO 843595 A NO843595 A NO 843595A NO 843595 L NO843595 L NO 843595L
- Authority
- NO
- Norway
- Prior art keywords
- light
- crystal
- fiber optic
- fiber
- coupler
- Prior art date
Links
- 239000013078 crystal Substances 0.000 claims description 108
- 239000000835 fiber Substances 0.000 claims description 103
- 239000013307 optical fiber Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000002269 spontaneous effect Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims 2
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 65
- 229910052779 Neodymium Inorganic materials 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 14
- 230000003321 amplification Effects 0.000 description 12
- 238000003199 nucleic acid amplification method Methods 0.000 description 12
- -1 neodymium ions Chemical class 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000003134 recirculating effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000005283 ground state Effects 0.000 description 5
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 5
- 230000001427 coherent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical group [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 1
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
- G02B6/02—Optical fibres with cladding with or without a coating
-
- 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
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
-
- 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
- H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating 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
- H01S3/09—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
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/163—Solid materials characterised by a crystal matrix
- H01S3/164—Solid materials characterised by a crystal matrix garnet
- H01S3/1643—YAG
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Amplifiers (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Communication System (AREA)
- Gyroscopes (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/531,231 US4554510A (en) | 1983-09-12 | 1983-09-12 | Switching fiber optic amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO843595L true NO843595L (no) | 1985-03-13 |
Family
ID=24116796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO843595A NO843595L (no) | 1983-09-12 | 1984-09-11 | Fiberoptisk forsterker |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4554510A (ja) |
| EP (1) | EP0139436B1 (ja) |
| JP (1) | JPH0626265B2 (ja) |
| KR (1) | KR850002332A (ja) |
| AT (1) | ATE30990T1 (ja) |
| AU (1) | AU573620B2 (ja) |
| BR (1) | BR8404537A (ja) |
| CA (1) | CA1210485A (ja) |
| DE (1) | DE3467664D1 (ja) |
| IL (1) | IL72844A (ja) |
| NO (1) | NO843595L (ja) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674830A (en) * | 1983-11-25 | 1987-06-23 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
| US4723824A (en) * | 1983-11-25 | 1988-02-09 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
| EP0272258B1 (en) * | 1985-08-13 | 1992-09-30 | Btg International Limited | Fabrication of optical fibres |
| SE449673B (sv) * | 1985-09-20 | 1987-05-11 | Ericsson Telefon Ab L M | Optisk forsterkaranordning med brusfilterfunktion |
| GB8613192D0 (en) * | 1986-05-30 | 1986-07-02 | British Telecomm | Optical resonating device |
| GB2191357B (en) * | 1986-06-07 | 1990-04-25 | Stc Plc | Optical switching |
| US4794351A (en) * | 1986-09-29 | 1988-12-27 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical mixer for upconverting or downconverting an optical signal |
| US5025487A (en) * | 1987-01-20 | 1991-06-18 | Gte Laboratories Incorporated | System for transmitting information on interferometrically generated optical carriers |
| JPS63193010A (ja) * | 1987-02-06 | 1988-08-10 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ回転センサ |
| US4835778A (en) * | 1987-09-30 | 1989-05-30 | Spectra-Physics, Inc. | Subpicosecond fiber laser |
| JPH01287426A (ja) * | 1988-05-13 | 1989-11-20 | Hamamatsu Photonics Kk | 光信号サンプリング装置 |
| US4963832A (en) * | 1989-08-08 | 1990-10-16 | At&T Bell Laboratories | Erbium-doped fiber amplifier coupling device |
| EP0454865B1 (en) * | 1989-11-20 | 1996-05-01 | Fujitsu Limited | Optical amplifier |
| DE4010712A1 (de) * | 1990-04-03 | 1991-10-10 | Standard Elektrik Lorenz Ag | Optisches nachrichtenuebertragungssystem mit einem faseroptischen verstaerker |
| AU648365B2 (en) * | 1990-12-24 | 1994-04-21 | Alcatel N.V. | Optical amplifier |
| US5499135A (en) * | 1990-12-24 | 1996-03-12 | Alcatel N.V. | Optical amplifier |
| JP2734778B2 (ja) * | 1991-01-16 | 1998-04-02 | 日本電気株式会社 | 光増幅装置 |
| CA2057264C (en) * | 1991-02-15 | 1995-09-26 | Hai-Pin Hsu | Amplifier for optical fiber communication link |
| US5140456A (en) * | 1991-04-08 | 1992-08-18 | General Instrument Corporation | Low noise high power optical fiber amplifier |
| JP2977053B2 (ja) * | 1991-07-12 | 1999-11-10 | 安藤電気株式会社 | 高出力光パルス発生器 |
| JP2806092B2 (ja) * | 1991-08-28 | 1998-09-30 | 日本電気株式会社 | 光増幅器 |
| JPH0566430A (ja) * | 1991-09-06 | 1993-03-19 | Ando Electric Co Ltd | 高出力光パルス発生器 |
| EP0768766B1 (en) * | 1991-11-08 | 2001-07-04 | Mitsubishi Denki Kabushiki Kaisha | Optical fiber amplifier repeating system |
| US5455704A (en) * | 1991-11-08 | 1995-10-03 | Mitsubishi Denki Kabushiki Kaisha | Optical-fiber light amplifier |
| GB2278230A (en) * | 1993-05-18 | 1994-11-23 | Northern Telecom Ltd | Optical amplifier |
| JP3247919B2 (ja) * | 1993-07-19 | 2002-01-21 | 三菱電機株式会社 | 光増幅装置 |
| US5548438A (en) * | 1993-12-23 | 1996-08-20 | At&T Corp. | Bidirectional optical amplifier |
| 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 |
| US6246515B1 (en) | 1998-12-18 | 2001-06-12 | Corning Incorporated | Apparatus and method for amplifying an optical signal |
| WO2005029550A2 (en) * | 2003-09-16 | 2005-03-31 | The Trustees Of Columbia University In The City Of New York | Method and system for producing crystalline thin films with a uniform crystalline orientation |
| US20050286102A1 (en) * | 2004-06-14 | 2005-12-29 | Thomas Lieske | Information processing using lasing material |
| US7587202B2 (en) * | 2004-09-07 | 2009-09-08 | Research In Motion Limited | Method for conducting digital interface and baseband circuitry tests using digital loopback |
| JP4942457B2 (ja) * | 2006-11-09 | 2012-05-30 | ナカバヤシ株式会社 | シートホルダー |
| US20090185262A1 (en) * | 2008-01-22 | 2009-07-23 | Xiaodong Duan | Optical Amplifier With Time-Multiplexed Pump Laser |
| JPWO2012053320A1 (ja) * | 2010-10-22 | 2014-02-24 | 日本電気株式会社 | 励起光分配装置、励起光分配方法、光増幅システム及びノード装置 |
| 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 |
Family Cites Families (27)
| 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 |
| US3753145A (en) * | 1972-06-26 | 1973-08-14 | Bell Telephone Labor Inc | Compact end-pumped solid-state laser |
| 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 (ja) * | 1974-11-29 | 1982-02-19 | ||
| 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 |
| 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 |
| US4342499A (en) * | 1979-03-19 | 1982-08-03 | Hicks Jr John W | Communications tuning construction |
| US4315666A (en) * | 1979-03-19 | 1982-02-16 | Hicks Jr John W | Coupled communications fibers |
| 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 |
| US4307933A (en) * | 1980-02-20 | 1981-12-29 | General Dynamics, Pomona Division | Optical fiber launch coupler |
| US4301543A (en) * | 1980-02-20 | 1981-11-17 | General Dynamics Corporation, Pomona Division | Fiber optic transceiver and full duplex point-to-point data link |
| US4493528A (en) * | 1980-04-11 | 1985-01-15 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic directional coupler |
| US4335933A (en) * | 1980-06-16 | 1982-06-22 | General Dynamics, Pomona Division | Fiber optic wavelength demultiplexer |
| US4343532A (en) * | 1980-06-16 | 1982-08-10 | General Dynamics, Pomona Division | Dual directional wavelength demultiplexer |
| JPS5785004A (en) * | 1980-11-17 | 1982-05-27 | Nec Corp | Fiber optical phase modulator |
| US4383318A (en) * | 1980-12-15 | 1983-05-10 | Hughes Aircraft Company | Laser pumping system |
| GB2151868B (en) * | 1983-12-16 | 1986-12-17 | Standard Telephones Cables Ltd | Optical amplifiers |
-
1983
- 1983-09-12 US US06/531,231 patent/US4554510A/en not_active Expired - Fee Related
-
1984
- 1984-09-03 IL IL72844A patent/IL72844A/xx unknown
- 1984-09-04 DE DE8484306039T patent/DE3467664D1/de not_active Expired
- 1984-09-04 EP EP84306039A patent/EP0139436B1/en not_active Expired
- 1984-09-04 AT AT84306039T patent/ATE30990T1/de active
- 1984-09-06 JP JP59187249A patent/JPH0626265B2/ja not_active Expired - Lifetime
- 1984-09-10 AU AU32876/84A patent/AU573620B2/en not_active Expired - Fee Related
- 1984-09-11 BR BR8404537A patent/BR8404537A/pt unknown
- 1984-09-11 NO NO843595A patent/NO843595L/no unknown
- 1984-09-11 KR KR1019840005521A patent/KR850002332A/ko not_active Application Discontinuation
- 1984-09-11 CA CA000462849A patent/CA1210485A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0139436B1 (en) | 1987-11-19 |
| ATE30990T1 (de) | 1987-12-15 |
| US4554510A (en) | 1985-11-19 |
| KR850002332A (ko) | 1985-05-10 |
| IL72844A0 (en) | 1984-12-31 |
| DE3467664D1 (en) | 1987-12-23 |
| CA1210485A (en) | 1986-08-26 |
| EP0139436A1 (en) | 1985-05-02 |
| JPS60157278A (ja) | 1985-08-17 |
| JPH0626265B2 (ja) | 1994-04-06 |
| BR8404537A (pt) | 1985-08-06 |
| IL72844A (en) | 1988-03-31 |
| AU3287684A (en) | 1986-09-11 |
| AU573620B2 (en) | 1988-06-16 |
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