DE69307994D1 - Optisches Verstärkungssystem - Google Patents
Optisches VerstärkungssystemInfo
- Publication number
- DE69307994D1 DE69307994D1 DE69307994T DE69307994T DE69307994D1 DE 69307994 D1 DE69307994 D1 DE 69307994D1 DE 69307994 T DE69307994 T DE 69307994T DE 69307994 T DE69307994 T DE 69307994T DE 69307994 D1 DE69307994 D1 DE 69307994D1
- Authority
- DE
- Germany
- Prior art keywords
- amplification system
- optical amplification
- optical
- amplification
- 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
Links
Classifications
-
- 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
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4318708A JP2536288B2 (ja) | 1992-11-27 | 1992-11-27 | 光増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69307994D1 true DE69307994D1 (de) | 1997-03-20 |
DE69307994T2 DE69307994T2 (de) | 1997-05-22 |
Family
ID=18102104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69307994T Expired - Lifetime DE69307994T2 (de) | 1992-11-27 | 1993-11-29 | Optisches Verstärkungssystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US5526174A (de) |
EP (1) | EP0599352B1 (de) |
JP (1) | JP2536288B2 (de) |
AU (1) | AU674545B2 (de) |
CA (1) | CA2110191C (de) |
DE (1) | DE69307994T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5636053A (en) * | 1995-06-15 | 1997-06-03 | E-Tek Dynamics, Inc. | Fiberoptic amplifier system with noise figure reduction |
JP2962248B2 (ja) * | 1996-11-01 | 1999-10-12 | 日本電気株式会社 | 波長多重光伝送用光増幅装置 |
JP2003069114A (ja) * | 2001-08-27 | 2003-03-07 | Fujikura Ltd | 光増幅器 |
JP2003031875A (ja) * | 2001-07-13 | 2003-01-31 | Fujikura Ltd | 偏波保持型光ファイバ増幅器 |
KR100460204B1 (ko) * | 2002-06-25 | 2004-12-13 | 경북대학교 산학협력단 | 편광 분리기를 이용한 광섬유 증폭기의 잡음지수 향상 방법 |
DE10230091A1 (de) * | 2002-07-04 | 2004-01-29 | Siemens Ag | Verfahren zur Messung der Signal-Rauschabstände eines Wellenlängen-Multiplex(-WDM)-Signals |
KR100475510B1 (ko) * | 2002-07-27 | 2005-03-10 | 경북대학교 산학협력단 | 편광 분리기와 거울을 이용한 이중 경로를 갖는 광섬유 증폭기의 이득 및 잡음지수 향상방법 |
JP4359035B2 (ja) * | 2002-11-21 | 2009-11-04 | 富士通株式会社 | 光中継器 |
JP2008092123A (ja) * | 2006-09-29 | 2008-04-17 | Fujitsu Ltd | 1次偏波モード分散の補償方法および補償器、並びに、それを用いた光伝送システム |
JP6736504B2 (ja) * | 2017-03-07 | 2020-08-05 | Kddi株式会社 | 光増幅装置 |
CN108808431B (zh) * | 2018-07-11 | 2020-09-22 | 电子科技大学 | 一种基于弱掺铒光纤的混合随机激光分布式放大方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6426826A (en) * | 1987-07-23 | 1989-01-30 | Kokusai Denshin Denwa Co Ltd | Optical amplification system |
JPH0789185B2 (ja) * | 1988-03-04 | 1995-09-27 | 国際電信電話株式会社 | 長距離光通信システムの光増幅方式 |
US4941738A (en) * | 1988-07-29 | 1990-07-17 | American Telephone And Telegraph Company | Polarization independent optical amplifier apparatus |
US5210808A (en) * | 1989-07-17 | 1993-05-11 | Pirelli Cavi S.P.A. | Unit for amplifying light signals in optical fiber transmission lines |
JPH03127886A (ja) * | 1989-10-13 | 1991-05-30 | Mitsubishi Cable Ind Ltd | 光増幅器 |
JP2649737B2 (ja) * | 1990-07-05 | 1997-09-03 | 国際電信電話株式会社 | 光増幅器の励起光源駆動方式 |
JPH04217233A (ja) * | 1990-12-19 | 1992-08-07 | Nec Corp | 多波長光増幅装置 |
US5323260A (en) * | 1991-08-23 | 1994-06-21 | Alfano Robert R | Method and system for compressing and amplifying ultrashort laser pulses |
JP2677726B2 (ja) * | 1991-09-20 | 1997-11-17 | 富士通株式会社 | 光送信機 |
US5283686A (en) * | 1992-07-27 | 1994-02-01 | General Instrument Corporation, Jerrold Communications | Optical systems with grating reflector |
US5223705A (en) * | 1992-08-12 | 1993-06-29 | At&T Bell Laboratories | Measurement of an optical amplifier parameter with polarization |
US5303314A (en) * | 1993-03-15 | 1994-04-12 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for polarization-maintaining fiber optical amplification with orthogonal polarization output |
-
1992
- 1992-11-27 JP JP4318708A patent/JP2536288B2/ja not_active Expired - Lifetime
-
1993
- 1993-11-29 EP EP93119203A patent/EP0599352B1/de not_active Expired - Lifetime
- 1993-11-29 AU AU52008/93A patent/AU674545B2/en not_active Expired
- 1993-11-29 DE DE69307994T patent/DE69307994T2/de not_active Expired - Lifetime
- 1993-11-29 US US08/158,566 patent/US5526174A/en not_active Expired - Lifetime
- 1993-11-29 CA CA002110191A patent/CA2110191C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5526174A (en) | 1996-06-11 |
EP0599352A1 (de) | 1994-06-01 |
JP2536288B2 (ja) | 1996-09-18 |
AU5200893A (en) | 1994-06-09 |
CA2110191A1 (en) | 1994-05-28 |
CA2110191C (en) | 1998-11-03 |
EP0599352B1 (de) | 1997-02-05 |
JPH06196786A (ja) | 1994-07-15 |
DE69307994T2 (de) | 1997-05-22 |
AU674545B2 (en) | 1997-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |