DE69006561T2 - Doppelkern-Glasfaser als optischer Breitband-Signal-Verstärker. - Google Patents
Doppelkern-Glasfaser als optischer Breitband-Signal-Verstärker.Info
- Publication number
- DE69006561T2 DE69006561T2 DE69006561T DE69006561T DE69006561T2 DE 69006561 T2 DE69006561 T2 DE 69006561T2 DE 69006561 T DE69006561 T DE 69006561T DE 69006561 T DE69006561 T DE 69006561T DE 69006561 T2 DE69006561 T2 DE 69006561T2
- Authority
- DE
- Germany
- Prior art keywords
- double
- glass fiber
- signal amplifier
- broadband signal
- core glass
- 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
-
- 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
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
-
- 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
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2835—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
- G02B2006/2839—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers fabricated from double or twin core fibres
-
- 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
- H01S2301/04—Gain spectral shaping, flattening
-
- 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
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
-
- 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
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
- H01S3/06737—Fibre having multiple non-coaxial cores, e.g. multiple active cores or separate cores for pump and gain
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Communication System (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898918377A GB8918377D0 (en) | 1989-08-11 | 1989-08-11 | Optical fibre structure |
IT01934090A IT1237979B (it) | 1990-02-12 | 1990-02-12 | Amplificatore ottico a fibra attiva a doppio nucleo,a larga banda di lunghezza d'onda di segnale |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69006561D1 DE69006561D1 (de) | 1994-03-24 |
DE69006561T2 true DE69006561T2 (de) | 1994-08-25 |
Family
ID=26295738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69006561T Expired - Fee Related DE69006561T2 (de) | 1989-08-11 | 1990-07-26 | Doppelkern-Glasfaser als optischer Breitband-Signal-Verstärker. |
Country Status (26)
Country | Link |
---|---|
US (2) | US5087108A (de) |
EP (1) | EP0417441B1 (de) |
JP (1) | JP2853893B2 (de) |
KR (1) | KR0164606B1 (de) |
CN (1) | CN1016551B (de) |
AR (1) | AR242685A1 (de) |
AT (1) | ATE101456T1 (de) |
AU (1) | AU632601B2 (de) |
BR (1) | BR9004067A (de) |
CA (1) | CA2021801C (de) |
CZ (1) | CZ282395B6 (de) |
DE (1) | DE69006561T2 (de) |
DK (1) | DK0417441T3 (de) |
ES (1) | ES2051417T3 (de) |
FI (1) | FI903980A0 (de) |
HK (1) | HK114494A (de) |
HU (1) | HU210856B (de) |
IE (1) | IE65559B1 (de) |
MX (1) | MX172407B (de) |
MY (1) | MY108522A (de) |
NO (1) | NO302327B1 (de) |
NZ (1) | NZ234688A (de) |
PH (1) | PH27426A (de) |
PL (1) | PL163026B1 (de) |
PT (1) | PT94963B (de) |
SK (1) | SK280635B6 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087108A (en) * | 1989-08-11 | 1992-02-11 | Societa' Cavi Pirelli S.P.A. | Double-core active-fiber optical amplifier having a wide-band signal wavelength |
US5245467A (en) * | 1989-10-30 | 1993-09-14 | Pirelli Cavi S.P.A. | Amplifier with a samarium-erbium doped active fiber |
GB9010943D0 (en) * | 1990-05-16 | 1990-07-04 | British Telecomm | Wave-guiding structure with lasing properties |
GB2245121B (en) * | 1990-06-16 | 1994-03-16 | Stc Plc | Telemetry |
US5155621A (en) * | 1990-07-31 | 1992-10-13 | Fujitsu Limited | Optical fiber amplifier |
FR2675649B1 (fr) * | 1991-04-22 | 1993-07-16 | Alcatel Nv | Systeme de telecommunications a amplificateurs optiques a fibre pour la transmission de signaux a longues distances. |
IL106766A (en) * | 1992-08-28 | 1995-12-31 | Hughes Aircraft Co | Two-way sebo-optical amplifier for missile guidance data channel repeater |
US5319652A (en) * | 1993-01-29 | 1994-06-07 | The United States Of America As Represented By The Secretary Of The Navy | Super luminescent light source |
IT1270032B (it) * | 1994-04-14 | 1997-04-28 | Pirelli Cavi Spa | Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda |
GB9503781D0 (en) * | 1994-05-19 | 1995-04-12 | Univ Southampton | External cavity laser |
IT1273676B (it) | 1994-07-25 | 1997-07-09 | Pirelli Cavi Spa | Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda,con potenza di ricezione equalizzata |
US5566196A (en) * | 1994-10-27 | 1996-10-15 | Sdl, Inc. | Multiple core fiber laser and optical amplifier |
GB2302957B (en) * | 1995-07-04 | 1999-07-21 | Pirelli General Plc | Optical structures with two optical guidance paths |
KR100392820B1 (ko) * | 1995-09-26 | 2003-10-22 | 삼성전자주식회사 | 이득평탄용어븀도핑광섬유및그제조장치 |
GB9803275D0 (en) | 1998-02-16 | 1998-04-08 | Univ Southampton | Optical fibre filters |
US6144677A (en) * | 1998-08-11 | 2000-11-07 | Trw Inc. | High average power fiber laser system with phase conjugation |
EP1114337A2 (de) * | 1998-09-16 | 2001-07-11 | Corning Incorporated | Multikern-multimodenfasern mit kontrollierter dispersion |
US6366356B1 (en) | 1999-04-01 | 2002-04-02 | Trw Inc. | High average power fiber laser system with high-speed, parallel wavefront sensor |
US6459526B1 (en) | 1999-08-09 | 2002-10-01 | Corning Incorporated | L band amplifier with distributed filtering |
US7085461B2 (en) * | 2001-04-30 | 2006-08-01 | Verrillon, Inc. | Optical fiber with visualization features |
US6574406B2 (en) * | 2001-09-11 | 2003-06-03 | Corning Incorporated | Selectively absorbing optical fibers for optical amplifiers |
US7272287B2 (en) * | 2005-05-11 | 2007-09-18 | Fitel Usa Corp | Optical fiber filter for suppression of amplified spontaneous emission |
JP2009105080A (ja) * | 2006-01-04 | 2009-05-14 | Sumitomo Electric Ind Ltd | 増幅用光ファイバ |
JP4892316B2 (ja) * | 2006-11-06 | 2012-03-07 | 株式会社フジクラ | マルチコアファイバ |
US7822077B2 (en) * | 2007-09-13 | 2010-10-26 | Northrop Grumman Systems Corporation | Thulium doped fiber configuration for enhanced high power operation |
EP2252905A1 (de) * | 2008-01-22 | 2010-11-24 | Corning Incorporated | Aluminiumdotierte optische faser |
US7848014B2 (en) * | 2008-04-09 | 2010-12-07 | Cisco Technology, Inc. | Erbium and Erbium/Ytterbium cladding pumped hybrid optical amplifier |
EP2529260A1 (de) * | 2010-01-26 | 2012-12-05 | Corning Incorporated | Optische faser |
JP5982992B2 (ja) * | 2012-04-25 | 2016-08-31 | 住友電気工業株式会社 | マルチコア光ファイバ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546476A (en) * | 1982-12-10 | 1985-10-08 | 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 |
GB2180392B (en) * | 1985-08-13 | 1989-10-11 | Robert Joseph Mears | Fibre-optic lasers and amplifiers |
GB8713081D0 (en) * | 1987-06-04 | 1987-07-08 | Pirelli General Plc | Optical fibre attenuators |
IT1215681B (it) * | 1988-01-12 | 1990-02-22 | Pirelli General Plc | Amplificazione di segnali ottici. |
FR2638854B1 (fr) * | 1988-11-10 | 1992-09-04 | Comp Generale Electricite | Amplificateur laser a fibre optique dopee |
US5087108A (en) * | 1989-08-11 | 1992-02-11 | Societa' Cavi Pirelli S.P.A. | Double-core active-fiber optical amplifier having a wide-band signal wavelength |
US5260823A (en) * | 1990-05-21 | 1993-11-09 | University Of Southampton | Erbium-doped fibre amplifier with shaped spectral gain |
US5067789A (en) * | 1991-02-14 | 1991-11-26 | Corning Incorporated | Fiber optic coupling filter and amplifier |
US5216728A (en) * | 1991-06-14 | 1993-06-01 | Corning Incorporated | Optical fiber amplifier with filter |
US5131069A (en) * | 1991-08-12 | 1992-07-14 | Corning Incorporated | Fiber amplifier having modified gain spectrum |
-
1990
- 1990-07-13 US US07/553,246 patent/US5087108A/en not_active Ceased
- 1990-07-19 MY MYPI90001208A patent/MY108522A/en unknown
- 1990-07-23 CA CA002021801A patent/CA2021801C/en not_active Expired - Fee Related
- 1990-07-25 AU AU59831/90A patent/AU632601B2/en not_active Ceased
- 1990-07-26 EP EP90114341A patent/EP0417441B1/de not_active Expired - Lifetime
- 1990-07-26 ES ES90114341T patent/ES2051417T3/es not_active Expired - Lifetime
- 1990-07-26 DE DE69006561T patent/DE69006561T2/de not_active Expired - Fee Related
- 1990-07-26 AT AT90114341T patent/ATE101456T1/de not_active IP Right Cessation
- 1990-07-26 DK DK90114341.2T patent/DK0417441T3/da active
- 1990-07-27 NZ NZ234688A patent/NZ234688A/en unknown
- 1990-07-31 MX MX021786A patent/MX172407B/es unknown
- 1990-08-01 PH PH40937A patent/PH27426A/en unknown
- 1990-08-09 AR AR90317566A patent/AR242685A1/es active
- 1990-08-10 CN CN90106952A patent/CN1016551B/zh not_active Expired
- 1990-08-10 IE IE290590A patent/IE65559B1/en not_active IP Right Cessation
- 1990-08-10 NO NO903536A patent/NO302327B1/no not_active IP Right Cessation
- 1990-08-10 JP JP2213591A patent/JP2853893B2/ja not_active Expired - Fee Related
- 1990-08-10 HU HU904973A patent/HU210856B/hu not_active IP Right Cessation
- 1990-08-10 PT PT94963A patent/PT94963B/pt active IP Right Grant
- 1990-08-10 CZ CS903957A patent/CZ282395B6/cs not_active IP Right Cessation
- 1990-08-10 FI FI903980A patent/FI903980A0/fi not_active IP Right Cessation
- 1990-08-10 SK SK3957-90A patent/SK280635B6/sk unknown
- 1990-08-10 PL PL28644490A patent/PL163026B1/pl unknown
- 1990-08-11 KR KR1019900012384A patent/KR0164606B1/ko not_active IP Right Cessation
- 1990-08-13 BR BR909004067A patent/BR9004067A/pt not_active IP Right Cessation
-
1993
- 1993-02-16 US US08/018,090 patent/USRE38298E1/en not_active Expired - Lifetime
-
1994
- 1994-10-20 HK HK114494A patent/HK114494A/xx not_active IP Right Cessation
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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 |