DE69316222T2 - Mehrstufiger faserverstärker - Google Patents
Mehrstufiger faserverstärkerInfo
- Publication number
- DE69316222T2 DE69316222T2 DE69316222T DE69316222T DE69316222T2 DE 69316222 T2 DE69316222 T2 DE 69316222T2 DE 69316222 T DE69316222 T DE 69316222T DE 69316222 T DE69316222 T DE 69316222T DE 69316222 T2 DE69316222 T2 DE 69316222T2
- Authority
- DE
- Germany
- Prior art keywords
- fiber amplifier
- stage fiber
- stage
- amplifier
- fiber
- 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 - Fee Related
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
- H01S3/05—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
- H01S3/10—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
- H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
- H01S3/1302—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by all-optical means, e.g. gain-clamping
-
- 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
- H01S3/094011—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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929217706A GB9217706D0 (en) | 1992-08-20 | 1992-08-20 | Multistage fibre amplifier |
PCT/GB1993/001771 WO1994005061A1 (en) | 1992-08-20 | 1993-08-20 | Multi-stage fibre amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69316222D1 DE69316222D1 (de) | 1998-02-12 |
DE69316222T2 true DE69316222T2 (de) | 1998-04-16 |
Family
ID=10720667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69316222T Expired - Fee Related DE69316222T2 (de) | 1992-08-20 | 1993-08-20 | Mehrstufiger faserverstärker |
Country Status (7)
Country | Link |
---|---|
US (1) | US5521753A (de) |
EP (1) | EP0656155B1 (de) |
JP (1) | JPH08503105A (de) |
AU (1) | AU4728993A (de) |
DE (1) | DE69316222T2 (de) |
GB (1) | GB9217706D0 (de) |
WO (1) | WO1994005061A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06318754A (ja) * | 1993-05-10 | 1994-11-15 | Matsushita Electric Ind Co Ltd | 光ファイバ増幅器および光信号伝送システム |
GB9318688D0 (en) * | 1993-09-09 | 1993-10-27 | Northern Telecom Ltd | Optical amplifiers |
JP3442897B2 (ja) * | 1995-03-08 | 2003-09-02 | Kddi株式会社 | 範囲別利得制御光増幅器及び範囲別光増幅器利得制御方法及び光受信器及び光中継器 |
EP1841022A3 (de) | 1995-03-20 | 2009-12-02 | Fujitsu Limited | Vorrichtung und Verfahren zur Verarbeitung eines optischen Signals |
JP4036489B2 (ja) * | 1995-08-23 | 2008-01-23 | 富士通株式会社 | 波長多重信号を光増幅する光増幅器を制御するための方法と装置 |
US6369938B1 (en) * | 1996-05-28 | 2002-04-09 | Fujitsu Limited | Multi-wavelength light amplifier |
JPH1012954A (ja) * | 1996-06-26 | 1998-01-16 | Fujitsu Ltd | 光増幅器 |
GB2326520A (en) * | 1996-07-15 | 1998-12-23 | Samsung Electronics Co Ltd | Erbium doped fibre amplifier |
KR100280968B1 (ko) | 1997-12-10 | 2001-02-01 | 윤종용 | 동기화된에탈론필터를이용한광섬유증폭기 |
US6603596B2 (en) * | 1998-03-19 | 2003-08-05 | Fujitsu Limited | Gain and signal level adjustments of cascaded optical amplifiers |
GB2337357A (en) * | 1998-05-13 | 1999-11-17 | Alsthom Cge Alcatel | Optical amplifier |
JP3102410B2 (ja) * | 1998-05-18 | 2000-10-23 | 日本電気株式会社 | 光スイッチ |
US6246515B1 (en) | 1998-12-18 | 2001-06-12 | Corning Incorporated | Apparatus and method for amplifying an optical signal |
KR100342190B1 (ko) * | 1999-01-14 | 2002-06-27 | 윤종용 | 이득 평탄화 광섬유증폭기 |
US6366393B1 (en) * | 1999-08-25 | 2002-04-02 | Lucent Technologies Inc. | Fast gain control for optical amplifiers |
US6297903B1 (en) * | 1999-11-16 | 2001-10-02 | Sdl, Inc. | Multiple stage optical fiber amplifier and signal generator |
JP2001196671A (ja) * | 2000-01-06 | 2001-07-19 | Nec Corp | 波長多重伝送用光ファイバ増幅器 |
JP2001230477A (ja) * | 2000-02-16 | 2001-08-24 | Nec Corp | 光増幅装置 |
US6571034B2 (en) | 2001-06-28 | 2003-05-27 | Corning Incorporated | Spectrally-shaped optical components using a wavelength-dispersive element and a reflective array |
US6687049B1 (en) * | 2001-07-03 | 2004-02-03 | Onetta, Inc. | Optical amplifiers with stable output power under low input power conditions |
FR2834150B1 (fr) * | 2001-12-21 | 2005-10-14 | Teem Photonics | Amplificateur optique a double pompage optique comportant un dispositif d'attenuation des residus de pompes |
US6865018B2 (en) * | 2002-03-04 | 2005-03-08 | Inplane Photonics, Inc. | Multistage optical amplifier having a fiber-based amplifier stage and a planar waveguide-based amplifier stage |
WO2004038876A1 (en) * | 2002-10-28 | 2004-05-06 | Pirelli Submarine Telecom Systems Italia S.P.A. | Bidirectionally pumped optical amplifier |
JP2005116884A (ja) * | 2003-10-09 | 2005-04-28 | Fujitsu Ltd | 波長多重光増幅器 |
US8098424B2 (en) * | 2006-03-31 | 2012-01-17 | Sumitomo Electric Industries, Ltd. | Optical fiber amplifying module |
EP2951896B1 (de) | 2013-02-01 | 2021-10-27 | Inter-University Research Institute Corporation High Energy Accelerator Research Organization | Burst-laser-generator mit einem optischen resonator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2596620B2 (ja) * | 1990-01-09 | 1997-04-02 | 日本電信電話株式会社 | 光ファイバ増幅器 |
US5115338A (en) * | 1990-05-30 | 1992-05-19 | At&T Bell Laboratories | Multi-stage optical amplifier |
EP0459685A3 (en) * | 1990-05-30 | 1993-12-01 | American Telephone & Telegraph | Multi-stage optical amplifier |
US5050949A (en) * | 1990-06-22 | 1991-09-24 | At&T Bell Laboratories | Multi-stage optical fiber amplifier |
US5177634A (en) * | 1991-10-25 | 1993-01-05 | Bell Communications Research, Inc. | High gain limiting erbium-doped fiber amplifier with wide dynamic range |
DE69231919T2 (de) * | 1991-11-08 | 2002-04-04 | Mitsubishi Electric Corp | Optisches Relaissystem mit Faserverstärkern |
-
1992
- 1992-08-20 GB GB929217706A patent/GB9217706D0/en active Pending
-
1993
- 1993-08-20 EP EP93918063A patent/EP0656155B1/de not_active Expired - Lifetime
- 1993-08-20 US US08/367,155 patent/US5521753A/en not_active Expired - Lifetime
- 1993-08-20 AU AU47289/93A patent/AU4728993A/en not_active Abandoned
- 1993-08-20 JP JP6506059A patent/JPH08503105A/ja active Pending
- 1993-08-20 DE DE69316222T patent/DE69316222T2/de not_active Expired - Fee Related
- 1993-08-20 WO PCT/GB1993/001771 patent/WO1994005061A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
GB9217706D0 (en) | 1992-09-30 |
WO1994005061A1 (en) | 1994-03-03 |
US5521753A (en) | 1996-05-28 |
AU4728993A (en) | 1994-03-15 |
EP0656155A1 (de) | 1995-06-07 |
EP0656155B1 (de) | 1998-01-07 |
JPH08503105A (ja) | 1996-04-02 |
DE69316222D1 (de) | 1998-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |