NO303956B1 - BredbÕndet, optisk forsterker med aktiv fiber og med dobbeltkjernepartier. - Google Patents
BredbÕndet, optisk forsterker med aktiv fiber og med dobbeltkjernepartier. Download PDFInfo
- Publication number
- NO303956B1 NO303956B1 NO910461A NO910461A NO303956B1 NO 303956 B1 NO303956 B1 NO 303956B1 NO 910461 A NO910461 A NO 910461A NO 910461 A NO910461 A NO 910461A NO 303956 B1 NO303956 B1 NO 303956B1
- Authority
- NO
- Norway
- Prior art keywords
- fiber
- core
- cores
- parts
- optical amplifier
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 159
- 230000009977 dual effect Effects 0.000 title description 3
- 239000002019 doping agent Substances 0.000 claims description 48
- 230000003287 optical effect Effects 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 35
- 239000013307 optical fiber Substances 0.000 claims description 29
- 229910052691 Erbium Inorganic materials 0.000 claims description 27
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 25
- 238000005086 pumping Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 14
- 230000031700 light absorption Effects 0.000 claims description 12
- 230000000875 corresponding effect Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005339 levitation Methods 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 230000001808 coupling effect Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 230000002596 correlated effect Effects 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002269 spontaneous effect Effects 0.000 description 15
- 230000007704 transition Effects 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 229910052785 arsenic Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000002189 fluorescence spectrum Methods 0.000 description 3
- 230000001795 light effect Effects 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- -1 rare earth ions Chemical class 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000001364 causal effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
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 |
|---|---|
| NO910461D0 NO910461D0 (no) | 1991-02-06 |
| NO910461L NO910461L (no) | 1991-08-08 |
| NO303956B1 true NO303956B1 (no) | 1998-09-28 |
Family
ID=11156365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO910461A NO303956B1 (no) | 1990-02-07 | 1991-02-06 | BredbÕndet, optisk forsterker med aktiv fiber og med dobbeltkjernepartier. |
Country Status (29)
| Country | Link |
|---|---|
| EP (1) | EP0441211B1 (ko) |
| JP (2) | JP3045550B2 (ko) |
| KR (1) | KR0179024B1 (ko) |
| CN (1) | CN1023348C (ko) |
| AR (1) | AR246642A1 (ko) |
| AT (1) | ATE113419T1 (ko) |
| AU (1) | AU646238B2 (ko) |
| BR (1) | BR9100626A (ko) |
| CA (1) | CA2035804C (ko) |
| CZ (1) | CZ280565B6 (ko) |
| DE (1) | DE69104738T2 (ko) |
| DK (1) | DK0441211T3 (ko) |
| ES (1) | ES2065555T3 (ko) |
| FI (1) | FI104293B (ko) |
| HK (1) | HK100195A (ko) |
| HU (1) | HU212954B (ko) |
| IE (1) | IE66727B1 (ko) |
| IT (1) | IT1237970B (ko) |
| LT (1) | LT3572B (ko) |
| LV (1) | LV10984B (ko) |
| MY (1) | MY106104A (ko) |
| NO (1) | NO303956B1 (ko) |
| NZ (1) | NZ237031A (ko) |
| PL (1) | PL165200B1 (ko) |
| PT (1) | PT96683B (ko) |
| RU (1) | RU2063105C1 (ko) |
| SK (1) | SK278932B6 (ko) |
| TW (1) | TW198100B (ko) |
| UA (1) | UA25931A1 (ko) |
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 ES ES91101039T patent/ES2065555T3/es not_active Expired - Lifetime
- 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 EP EP91101039A patent/EP0441211B1/en not_active Expired - Lifetime
- 1991-01-28 DK DK91101039.5T patent/DK0441211T3/da active
- 1991-02-02 TW TW080100841A patent/TW198100B/zh active
- 1991-02-05 CN CN91100697A patent/CN1023348C/zh not_active Expired - Fee Related
- 1991-02-05 PL PL91288961A patent/PL165200B1/pl unknown
- 1991-02-05 AR AR91318988A patent/AR246642A1/es active
- 1991-02-05 AU AU70808/91A patent/AU646238B2/en not_active Ceased
- 1991-02-05 NZ NZ237031A patent/NZ237031A/en unknown
- 1991-02-06 RU SU4894477/09A patent/RU2063105C1/ru not_active IP Right Cessation
- 1991-02-06 CZ CS91283A patent/CZ280565B6/cs not_active IP Right Cessation
- 1991-02-06 FI FI910573A patent/FI104293B/fi active
- 1991-02-06 SK SK283-91A patent/SK278932B6/sk unknown
- 1991-02-06 HU HU91401A patent/HU212954B/hu not_active IP Right Cessation
- 1991-02-06 PT PT96683A patent/PT96683B/pt not_active IP Right Cessation
- 1991-02-06 NO NO910461A patent/NO303956B1/no not_active IP Right Cessation
- 1991-02-06 UA UA4894477A patent/UA25931A1/uk unknown
- 1991-02-06 CA CA002035804A patent/CA2035804C/en not_active Expired - Fee Related
- 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
- 1991-02-07 KR KR1019910002083A patent/KR0179024B1/ko not_active IP Right Cessation
-
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 |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN AUGUST 2002 |