NO870187L - Fiberoptisk modusvelger. - Google Patents
Fiberoptisk modusvelger.Info
- Publication number
- NO870187L NO870187L NO870187A NO870187A NO870187L NO 870187 L NO870187 L NO 870187L NO 870187 A NO870187 A NO 870187A NO 870187 A NO870187 A NO 870187A NO 870187 L NO870187 L NO 870187L
- Authority
- NO
- Norway
- Prior art keywords
- mode
- fiber
- propagation
- fibers
- optical
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 213
- 230000003287 optical effect Effects 0.000 title claims description 139
- 239000013307 optical fiber Substances 0.000 claims description 203
- 230000001902 propagating effect Effects 0.000 claims description 64
- 230000008878 coupling Effects 0.000 claims description 43
- 238000010168 coupling process Methods 0.000 claims description 43
- 238000005859 coupling reaction Methods 0.000 claims description 43
- 230000003993 interaction Effects 0.000 claims description 41
- 238000009826 distribution Methods 0.000 claims description 21
- 238000005253 cladding Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000005684 electric field Effects 0.000 description 24
- 230000009977 dual effect Effects 0.000 description 17
- 239000013598 vector Substances 0.000 description 13
- 230000000644 propagated effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
-
- 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
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
- G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
- G02B6/29334—Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated with the coupling region between the light guides, e.g. with a grating positioned where light fields overlap in the coupler
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/14—Mode converters
-
- 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
-
- 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
-
- 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
- G02B6/02047—Dual mode fibre
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Optical Communication System (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/820,411 US4828350A (en) | 1986-01-17 | 1986-01-17 | Fiber optic mode selector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO870187D0 NO870187D0 (no) | 1987-01-16 |
| NO870187L true NO870187L (no) | 1987-07-20 |
Family
ID=25230686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO870187A NO870187L (no) | 1986-01-17 | 1987-01-16 | Fiberoptisk modusvelger. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4828350A (fr) |
| EP (2) | EP0229711B1 (fr) |
| JP (1) | JP2769615B2 (fr) |
| KR (1) | KR870007433A (fr) |
| AU (1) | AU6762787A (fr) |
| CA (1) | CA1276492C (fr) |
| DE (2) | DE3752262T2 (fr) |
| IL (1) | IL81242A0 (fr) |
| NO (1) | NO870187L (fr) |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4828350A (en) * | 1986-01-17 | 1989-05-09 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic mode selector |
| CA1302759C (fr) * | 1986-11-28 | 1992-06-09 | Kuniharu Himeno | Coupleur de fibres optiques et methode de fabrication de ces coupleurs |
| GB8710067D0 (en) * | 1987-04-28 | 1987-06-03 | British Telecomm | Optical device |
| JPH0267506A (ja) * | 1988-09-02 | 1990-03-07 | Nippon Telegr & Teleph Corp <Ntt> | 光ファイバカップラ |
| JPH02141707A (ja) * | 1988-11-24 | 1990-05-31 | Sumitomo Electric Ind Ltd | ファイバ形カプラ及びその製造方法 |
| US5200795A (en) * | 1989-08-31 | 1993-04-06 | The Board Of Trustees Of The Leland Stanford Junior University | Passive quadrature phase detection system for coherent fiber optic systems |
| GB2238398A (en) * | 1989-11-22 | 1991-05-29 | British Telecomm | Optical fibre coupling device |
| US5311525A (en) * | 1992-03-31 | 1994-05-10 | The Board Of Trustees Of The Leland Stanford University | Nonlinear optical coupler using a doped optical waveguide |
| US5459801A (en) * | 1993-10-29 | 1995-10-17 | Rutgers University | Coupler used to fabricate add-drop devices, dispersion compensators, amplifiers, oscillators, superluminescent devices, and communications systems |
| US5351323A (en) * | 1993-11-08 | 1994-09-27 | Corning Incorporated | Optical fiber for coupling to elliptically-shaped source |
| US5717798A (en) * | 1996-09-12 | 1998-02-10 | Lucent Technologies Inc. | Optical waveguide system comprising a mode coupling grating and a mode discrimination coupler |
| US5740292A (en) * | 1996-09-12 | 1998-04-14 | Lucent Technologies Inc. | Mode coupling optical waveguide grating |
| US7656578B2 (en) * | 1997-03-21 | 2010-02-02 | Imra America, Inc. | Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking |
| US7576909B2 (en) * | 1998-07-16 | 2009-08-18 | Imra America, Inc. | Multimode amplifier for amplifying single mode light |
| KR100265865B1 (ko) * | 1997-06-16 | 2000-09-15 | 윤덕용 | 광섬유가변형파장필터 |
| US6539148B1 (en) | 1997-06-06 | 2003-03-25 | Novera Optics, Inc. | Channel equalizer with acousto-optic variable attenuators |
| US6640027B2 (en) | 1997-06-06 | 2003-10-28 | Novera Optics, Inc. | Gain flattening tunable filter |
| US6801686B2 (en) * | 1997-06-06 | 2004-10-05 | Novera Optics, Inc. | Methods and apparatus for measuring the power spectrum of optical signals |
| US6233379B1 (en) * | 1997-06-06 | 2001-05-15 | Ultraband Fiber Optics | Acousto-optic filter |
| US6510261B2 (en) | 1997-06-06 | 2003-01-21 | Novera Optics, Inc. | Acousto-optic variable attenuator with active cancellation of back reflections |
| US6266462B1 (en) * | 1998-02-12 | 2001-07-24 | Ultraband Fiber Optics | Acousto-optic filter |
| US6850655B2 (en) | 1997-06-16 | 2005-02-01 | Novera Optics, Inc. | Optical apparatus with faraday rotator, static gain flattening filter and variable optical attenuator |
| US6078709A (en) * | 1997-11-12 | 2000-06-20 | Lucent Technologies Inc. | Method and apparatus for monitoring multi-wavelength optical systems |
| US6357913B1 (en) * | 1998-02-12 | 2002-03-19 | Novera Optics, Inc. | Add/drop acousto-optic filter |
| US6535665B1 (en) * | 1998-02-12 | 2003-03-18 | Novera Optics, Inc. | Acousto-optic devices utilizing longitudinal acoustic waves |
| US6343165B1 (en) * | 1998-02-12 | 2002-01-29 | Novera Optics, Inc. | Optical add drop multiplexer |
| US6728026B2 (en) | 1998-07-14 | 2004-04-27 | Novera Optics, Inc. | Dynamically tunable optical amplifier and fiber optic light source |
| US6982996B1 (en) * | 1999-12-06 | 2006-01-03 | Weatherford/Lamb, Inc. | Large diameter optical waveguide, grating, and laser |
| KR20000038939A (ko) * | 1998-12-10 | 2000-07-05 | 서원석 | 광대역 광소자용 광섬유 및 이를 이용한 광섬유 소자 |
| KR100311281B1 (ko) * | 1999-03-10 | 2001-11-02 | 윤덕용 | 기울어진 브래그 격자와 모드 분할 방향성 결합기를 이용한 광 파장 가감기 |
| WO2000060389A1 (fr) * | 1999-03-31 | 2000-10-12 | Fujikura Ltd. | Fibre optique multimode a fonction de suppression du mode d'ordre superieur |
| KR100358418B1 (ko) * | 2000-02-28 | 2002-10-25 | 한국과학기술원 | 용융형 모드분할 방향성 결합기의 제조방법 |
| US6501875B2 (en) | 2000-06-27 | 2002-12-31 | Oluma, Inc. | Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports |
| US6625349B2 (en) | 2000-06-27 | 2003-09-23 | Oluma, Inc. | Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber |
| US6516114B2 (en) | 2000-06-27 | 2003-02-04 | Oluma, Inc. | Integration of fibers on substrates fabricated with grooves |
| US6621951B1 (en) | 2000-06-27 | 2003-09-16 | Oluma, Inc. | Thin film structures in devices with a fiber on a substrate |
| US6597833B1 (en) | 2000-06-27 | 2003-07-22 | Oluma, Inc. | Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling |
| US6490391B1 (en) | 2000-07-12 | 2002-12-03 | Oluma, Inc. | Devices based on fibers engaged to substrates with grooves |
| US6571035B1 (en) | 2000-08-10 | 2003-05-27 | Oluma, Inc. | Fiber optical switches based on optical evanescent coupling between two fibers |
| US6621952B1 (en) | 2000-08-10 | 2003-09-16 | Oluma, Inc. | In-fiber variable optical attenuators and modulators using index-changing liquid media |
| US6542663B1 (en) | 2000-09-07 | 2003-04-01 | Oluma, Inc. | Coupling control in side-polished fiber devices |
| US6904188B1 (en) | 2001-03-16 | 2005-06-07 | Novera Optics, Inc. | Acousto-optic tunable filter having improved wave-damping capability |
| US6628859B2 (en) | 2001-03-22 | 2003-09-30 | Triquint Technology Holding Co. | Broadband mode converter |
| US6744948B1 (en) | 2001-06-20 | 2004-06-01 | Oluma, Inc. | Fiber tap monitor based on evanescent coupling |
| US6700113B1 (en) | 2002-01-28 | 2004-03-02 | Novera Optics, Inc. | Method, apparatus, and system for reducing intensity modulation |
| US6804057B1 (en) | 2002-02-06 | 2004-10-12 | Novera Optics, Inc. | Various methods and apparatuses for a tunable chromatic dispersion compensator |
| WO2003100485A2 (fr) * | 2002-05-28 | 2003-12-04 | Optun (Bvi) Ltd. | Procede et dispositif de commutation optique et d'attenuation optique variable |
| US7609918B2 (en) * | 2002-05-28 | 2009-10-27 | Optun (Bvi) Ltd. | Method and apparatus for optical mode division multiplexing and demultiplexing |
| US6788845B1 (en) | 2002-05-31 | 2004-09-07 | Novera Optics, Inc. | Methods and apparatuses to provide a tunable chromatic dispersion compensator |
| US6950566B1 (en) | 2003-08-27 | 2005-09-27 | Novera Optics, Inc. | Method and apparatus for an acousto-optic filter that generates a helical wave and method for manufacturing same |
| JP4193709B2 (ja) * | 2004-01-28 | 2008-12-10 | 富士ゼロックス株式会社 | 面発光型半導体レーザを光源に用いた光送信装置 |
| JP4581746B2 (ja) * | 2005-03-01 | 2010-11-17 | 住友電気工業株式会社 | 光検出装置および光源モジュール |
| JP4571160B2 (ja) * | 2007-02-27 | 2010-10-27 | 日本電信電話株式会社 | 伝搬モード選択器および光伝送システム |
| JP2010272827A (ja) | 2009-05-25 | 2010-12-02 | Fujikura Ltd | 光ファイバカプラ及び光ファイバ増幅器 |
| JP2012194362A (ja) * | 2011-03-16 | 2012-10-11 | Nippon Telegr & Teleph Corp <Ntt> | モード合分波カプラ及びその製造方法 |
| JP5773521B2 (ja) * | 2011-08-03 | 2015-09-02 | 日本電信電話株式会社 | モード合分波器、光送受信装置及び光通信システム |
| JP2013205456A (ja) * | 2012-03-27 | 2013-10-07 | Oki Electric Ind Co Ltd | 波長選択性経路切換素子 |
| AU2014211965B2 (en) * | 2013-02-01 | 2018-04-26 | Polyvalor, Limited Partnership | Asymmetric optical fiber coupler |
| CN105518519B (zh) * | 2013-06-12 | 2020-03-27 | 麻省理工学院 | 标准制造工艺的光调制器 |
| CN110514287A (zh) * | 2019-08-19 | 2019-11-29 | 南京邮电大学 | 基于单模-少模光纤耦合器的振动传感器 |
| JP7317240B2 (ja) * | 2019-12-30 | 2023-07-28 | 華為技術有限公司 | 光ファイバ信号モード変換装置及び変換方法、及び、光ファイバ伝送システム |
| US20240142696A1 (en) * | 2021-02-17 | 2024-05-02 | Nippon Telegraph And Telephone Corporation | Mode conversion device and design method |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3625589A (en) * | 1969-08-19 | 1971-12-07 | American Optical Corp | Apparatus for controlling the propagation characteristics of coherent light within an optical fiber |
| DE3006102A1 (de) * | 1979-02-19 | 1980-08-28 | Ricoh Kk | Optische steuereinrichtung |
| US4268116A (en) * | 1979-10-26 | 1981-05-19 | Optelecom Incorporated | Method and apparatus for radiant energy modulation in optical fibers |
| US4307933A (en) * | 1980-02-20 | 1981-12-29 | General Dynamics, Pomona Division | Optical fiber launch coupler |
| US4301543A (en) * | 1980-02-20 | 1981-11-17 | General Dynamics Corporation, Pomona Division | Fiber optic transceiver and full duplex point-to-point data link |
| US4493528A (en) * | 1980-04-11 | 1985-01-15 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic directional coupler |
| US4515430A (en) * | 1980-09-15 | 1985-05-07 | Massachusetts Institute Of Technology | Integrated optical transducers |
| FR2506954A1 (fr) * | 1981-06-01 | 1982-12-03 | Centre Nat Rech Scient | Dispositif de couplage de fibres optiques et son procede de fabrication |
| US4536058A (en) * | 1981-09-10 | 1985-08-20 | The Board Of Trustees Of The Leland Stanford Junior University | Method of manufacturing a fiber optic directional coupler |
| US4556279A (en) * | 1981-11-09 | 1985-12-03 | Board Of Trustees Of The Leland Stanford Junior University | Passive fiber optic multiplexer |
| FR2549240A1 (fr) * | 1983-07-15 | 1985-01-18 | American Telephone & Telegraph | Reseau de distribution local a acces multiples |
| US4560234A (en) * | 1983-08-15 | 1985-12-24 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic switchable coupler |
| JPS60142313A (ja) * | 1983-12-28 | 1985-07-27 | Agency Of Ind Science & Technol | 楕円ジヤケツト長軸方向を研磨した偏波面保存光フアイバ方向性結合器 |
| JPS60156020A (ja) * | 1984-01-25 | 1985-08-16 | Sumitomo Metal Mining Co Ltd | 光分波素子 |
| US4735485A (en) * | 1984-02-17 | 1988-04-05 | The Board Of Trustees Of The Leland Stanford Junior University | Acousto-optic frequency shifter using optical fiber and method of manufacturing same |
| US4735484A (en) * | 1985-02-08 | 1988-04-05 | Board Of Trustees Of The Leland Stanford Junior University | Acousto-optic frequency shifter utilizing multi-turn optical fiber |
| US4828350A (en) * | 1986-01-17 | 1989-05-09 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic mode selector |
-
1986
- 1986-01-17 US US06/820,411 patent/US4828350A/en not_active Expired - Lifetime
-
1987
- 1987-01-13 EP EP87300268A patent/EP0229711B1/fr not_active Expired - Lifetime
- 1987-01-13 IL IL81242A patent/IL81242A0/xx unknown
- 1987-01-13 DE DE3752262T patent/DE3752262T2/de not_active Expired - Lifetime
- 1987-01-13 EP EP94113433A patent/EP0627640B1/fr not_active Expired - Lifetime
- 1987-01-13 DE DE3751124T patent/DE3751124T2/de not_active Expired - Lifetime
- 1987-01-15 CA CA000527402A patent/CA1276492C/fr not_active Expired - Lifetime
- 1987-01-16 NO NO870187A patent/NO870187L/no unknown
- 1987-01-16 AU AU67627/87A patent/AU6762787A/en not_active Abandoned
- 1987-01-17 KR KR870000354A patent/KR870007433A/ko not_active IP Right Cessation
- 1987-01-17 JP JP62008867A patent/JP2769615B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0229711A3 (en) | 1989-06-07 |
| EP0627640B1 (fr) | 1999-03-17 |
| EP0229711B1 (fr) | 1995-03-08 |
| EP0229711A2 (fr) | 1987-07-22 |
| EP0627640A2 (fr) | 1994-12-07 |
| JPS62229110A (ja) | 1987-10-07 |
| KR870007433A (ko) | 1987-08-19 |
| DE3751124D1 (de) | 1995-04-13 |
| JP2769615B2 (ja) | 1998-06-25 |
| DE3751124T2 (de) | 1995-10-26 |
| AU6762787A (en) | 1987-07-23 |
| EP0627640A3 (fr) | 1995-02-01 |
| US4828350A (en) | 1989-05-09 |
| DE3752262T2 (de) | 1999-07-08 |
| IL81242A0 (en) | 1987-08-31 |
| DE3752262D1 (de) | 1999-04-22 |
| NO870187D0 (no) | 1987-01-16 |
| CA1276492C (fr) | 1990-11-20 |
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