IT1237970B - Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale - Google Patents
Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnaleInfo
- Publication number
- IT1237970B IT1237970B IT01928090A IT1928090A IT1237970B IT 1237970 B IT1237970 B IT 1237970B IT 01928090 A IT01928090 A IT 01928090A IT 1928090 A IT1928090 A IT 1928090A IT 1237970 B IT1237970 B IT 1237970B
- Authority
- IT
- Italy
- Prior art keywords
- optical amplifier
- wave length
- fiber optical
- signal wave
- core portions
- Prior art date
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
-
- 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
-
- 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
- G02B6/2826—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 using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
- G02B6/283—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 using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
-
- 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
-
- 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
-
- 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
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
-
- 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
Priority Applications (31)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT01928090A IT1237970B (it) | 1990-02-07 | 1990-02-07 | Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale |
IE457090A IE66727B1 (en) | 1990-02-07 | 1990-12-18 | Active fibre optical amplifier with double-core portions having a wide signal wavelength band |
MYPI91000013A MY106104A (en) | 1990-02-07 | 1991-01-07 | Active fibre optical amplifier, with double-core portions, having a wide signal wavelength band. |
DK91101039.5T DK0441211T3 (da) | 1990-02-07 | 1991-01-28 | Optisk forstærker med aktiv fiber, med dobbeltkernedele, og som har et bredt signalbølgelængdebånd |
EP91101039A EP0441211B1 (en) | 1990-02-07 | 1991-01-28 | Active fibre optical amplifier, with double-core portions, having a wide signal wavelength band |
ES91101039T ES2065555T3 (es) | 1990-02-07 | 1991-01-28 | Amplificador optico de fibra activa, con porciones de doble nucleo, con una banda de señal ancha. |
DE69104738T DE69104738T2 (de) | 1990-02-07 | 1991-01-28 | Doppelkern-Aktivfaser als optischer Breitband-Signal-Verstärker. |
AT91101039T ATE113419T1 (de) | 1990-02-07 | 1991-01-28 | Doppelkern-aktivfaser als optischer breitband- signal-verstärker. |
TW080100841A TW198100B (it) | 1990-02-07 | 1991-02-02 | |
CN91100697A CN1023348C (zh) | 1990-02-07 | 1991-02-05 | 具有双芯部分的宽信号波长带有源光纤放大器 |
PL91288961A PL165200B1 (pl) | 1990-02-07 | 1991-02-05 | Szerokopasmowy wzmacniacz optyczny sygnalu PL PL PL PL PL PL PL |
NZ237031A NZ237031A (en) | 1990-02-07 | 1991-02-05 | Twin cored optical fibre absorbs optical amplifier noise wavelengths |
AR91318988A AR246642A1 (es) | 1990-02-07 | 1991-02-05 | Amplificador optico de fibra activa con porciones de doble nucleo que tiene una banda amplia de longitud de onda de senal. |
AU70808/91A AU646238B2 (en) | 1990-02-07 | 1991-02-05 | Active fibre optical amplifier, with double-core portions, having a wide signal wavelength band |
SU4894477/09A RU2063105C1 (ru) | 1990-02-07 | 1991-02-06 | Широкополосный оптический усилитель |
HU91401A HU212954B (en) | 1990-02-07 | 1991-02-06 | Broad band amplifier with optical fiber |
SK283-91A SK278932B6 (sk) | 1990-02-07 | 1991-02-06 | Širokopásmový optický zosilňovač signálu |
PT96683A PT96683B (pt) | 1990-02-07 | 1991-02-06 | Amplificador de fibra optica activa, com porcoes de duplo nucleo, tendo uma banda larga de comprimento de onda de sinal |
FI910573A FI104293B (fi) | 1990-02-07 | 1991-02-06 | Optinen aktiivikuituvahvistin, jossa on kaksoisytimiset osat, joissa on laaja signaaliaallonpituuskaista |
CA002035804A CA2035804C (en) | 1990-02-07 | 1991-02-06 | Double-core, active fiber optical amplifier having a wide band signal wavelength |
NO910461A NO303956B1 (no) | 1990-02-07 | 1991-02-06 | BredbÕndet, optisk forsterker med aktiv fiber og med dobbeltkjernepartier. |
CS91283A CZ280565B6 (cs) | 1990-02-07 | 1991-02-06 | Širokopásmový optický zesilovač signálu |
UA4894477A UA25931A1 (uk) | 1990-02-07 | 1991-02-06 | Широкосмуговий оптичhий підсилювач |
KR1019910002083A KR0179024B1 (ko) | 1990-02-07 | 1991-02-07 | 2중 코어부분을 사용하며 폭넓은 신호 파장 대역을 지니는 활성 섬유용 광 증폭기 |
JP3016322A JP3045550B2 (ja) | 1990-02-07 | 1991-02-07 | 複数の複コア・ファイバ部分を備えた広信号帯域のアクティブ光ファイバ光増幅器 |
BR919100626A BR9100626A (pt) | 1990-02-07 | 1991-02-07 | Amplificador otico de fibra ativa,com porcoes de nucleo duplo com larga faixa de comprimento de onda de sinal |
US07/954,468 US5218665A (en) | 1990-02-07 | 1992-09-30 | Double core, active fiber optical amplifier having a wide band signal wavelength |
LVP-93-830A LV10984B (en) | 1990-02-07 | 1993-06-30 | Active fibre optical amplifier with double-core portions having a wide signal wavelength band |
LTIP1607A LT3572B (en) | 1990-02-07 | 1993-12-15 | A wide band optical amplifier |
HK100195A HK100195A (en) | 1990-02-07 | 1995-06-22 | Active fibre optical amplifier with double-core portions having a wide signal wavelength band |
JP12066199A JP3240302B2 (ja) | 1990-02-07 | 1999-04-27 | 光増幅器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT01928090A IT1237970B (it) | 1990-02-07 | 1990-02-07 | Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9019280A0 IT9019280A0 (it) | 1990-02-07 |
IT9019280A1 IT9019280A1 (it) | 1991-08-08 |
IT1237970B true IT1237970B (it) | 1993-06-19 |
Family
ID=11156365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT01928090A IT1237970B (it) | 1990-02-07 | 1990-02-07 | Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale |
Country Status (29)
Country | Link |
---|---|
EP (1) | EP0441211B1 (it) |
JP (2) | JP3045550B2 (it) |
KR (1) | KR0179024B1 (it) |
CN (1) | CN1023348C (it) |
AR (1) | AR246642A1 (it) |
AT (1) | ATE113419T1 (it) |
AU (1) | AU646238B2 (it) |
BR (1) | BR9100626A (it) |
CA (1) | CA2035804C (it) |
CZ (1) | CZ280565B6 (it) |
DE (1) | DE69104738T2 (it) |
DK (1) | DK0441211T3 (it) |
ES (1) | ES2065555T3 (it) |
FI (1) | FI104293B (it) |
HK (1) | HK100195A (it) |
HU (1) | HU212954B (it) |
IE (1) | IE66727B1 (it) |
IT (1) | IT1237970B (it) |
LT (1) | LT3572B (it) |
LV (1) | LV10984B (it) |
MY (1) | MY106104A (it) |
NO (1) | NO303956B1 (it) |
NZ (1) | NZ237031A (it) |
PL (1) | PL165200B1 (it) |
PT (1) | PT96683B (it) |
RU (1) | RU2063105C1 (it) |
SK (1) | SK278932B6 (it) |
TW (1) | TW198100B (it) |
UA (1) | UA25931A1 (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2265751B (en) * | 1992-03-23 | 1995-12-20 | Univ Southampton | Optical amplifier with automatic self adjusting gain spectrum |
IT1270032B (it) * | 1994-04-14 | 1997-04-28 | Pirelli Cavi Spa | Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda |
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 |
FR2822313B1 (fr) * | 2001-03-16 | 2003-07-25 | Highwave Optical Tech | Composant optique a base de fibre bi-coeur avec entrees/sorties en fibres mono-coeur |
CN1325991C (zh) * | 2003-11-14 | 2007-07-11 | 中国科学院上海光学精密机械研究所 | 双芯双包层光纤二波长光放大装置 |
EP1942083A1 (en) * | 2006-12-07 | 2008-07-09 | Datwyler Fiber Optics S.A. | Method and apparatus for fabricating a preform for an active optical fiber, active optical fiber and amplifier |
KR102428755B1 (ko) * | 2017-11-24 | 2022-08-02 | 엘지디스플레이 주식회사 | 파장 변환이 가능한 광섬유 및 이를 사용하는 백라이트 유닛 |
DE102019114974A1 (de) * | 2019-06-04 | 2020-12-10 | Friedrich-Schiller-Universität Jena | Lichtwellenleiter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4315666A (en) * | 1979-03-19 | 1982-02-16 | Hicks Jr John W | Coupled communications fibers |
US4546476A (en) * | 1982-12-10 | 1985-10-08 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
JPH0646664B2 (ja) * | 1984-10-01 | 1994-06-15 | ポラロイド コ−ポレ−シヨン | 光導波管装置及びそれを用いたレーザ |
US4883335A (en) * | 1986-01-06 | 1989-11-28 | American Telephone And Telegraph Company | Single-mode optical fiber tap |
JPH0740617B2 (ja) * | 1986-08-08 | 1995-05-01 | 日本電信電話株式会社 | 光フアイバレ−ザ |
-
1990
- 1990-02-07 IT IT01928090A patent/IT1237970B/it active IP Right Grant
- 1990-12-18 IE IE457090A patent/IE66727B1/en not_active IP Right Cessation
-
1991
- 1991-01-07 MY MYPI91000013A patent/MY106104A/en unknown
- 1991-01-28 DE DE69104738T patent/DE69104738T2/de not_active Expired - Fee Related
- 1991-01-28 AT AT91101039T patent/ATE113419T1/de not_active IP Right Cessation
- 1991-01-28 DK DK91101039.5T patent/DK0441211T3/da active
- 1991-01-28 EP EP91101039A patent/EP0441211B1/en not_active Expired - Lifetime
- 1991-01-28 ES ES91101039T patent/ES2065555T3/es not_active Expired - Lifetime
- 1991-02-02 TW TW080100841A patent/TW198100B/zh active
- 1991-02-05 PL PL91288961A patent/PL165200B1/pl unknown
- 1991-02-05 CN CN91100697A patent/CN1023348C/zh not_active Expired - Fee Related
- 1991-02-05 AR AR91318988A patent/AR246642A1/es active
- 1991-02-05 NZ NZ237031A patent/NZ237031A/en unknown
- 1991-02-05 AU AU70808/91A patent/AU646238B2/en not_active Ceased
- 1991-02-06 UA UA4894477A patent/UA25931A1/uk unknown
- 1991-02-06 RU SU4894477/09A patent/RU2063105C1/ru not_active IP Right Cessation
- 1991-02-06 FI FI910573A patent/FI104293B/fi active
- 1991-02-06 HU HU91401A patent/HU212954B/hu not_active IP Right Cessation
- 1991-02-06 NO NO910461A patent/NO303956B1/no not_active IP Right Cessation
- 1991-02-06 CA CA002035804A patent/CA2035804C/en not_active Expired - Fee Related
- 1991-02-06 CZ CS91283A patent/CZ280565B6/cs not_active IP Right Cessation
- 1991-02-06 SK SK283-91A patent/SK278932B6/sk unknown
- 1991-02-06 PT PT96683A patent/PT96683B/pt not_active IP Right Cessation
- 1991-02-07 KR KR1019910002083A patent/KR0179024B1/ko not_active IP Right Cessation
- 1991-02-07 BR BR919100626A patent/BR9100626A/pt not_active IP Right Cessation
- 1991-02-07 JP JP3016322A patent/JP3045550B2/ja not_active Expired - Fee Related
-
1993
- 1993-06-30 LV LVP-93-830A patent/LV10984B/lv unknown
- 1993-12-15 LT LTIP1607A patent/LT3572B/lt not_active IP Right Cessation
-
1995
- 1995-06-22 HK HK100195A patent/HK100195A/xx not_active IP Right Cessation
-
1999
- 1999-04-27 JP JP12066199A patent/JP3240302B2/ja not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19980225 |