IL81242A0 - Fiber optic mode selector - Google Patents
Fiber optic mode selectorInfo
- Publication number
- IL81242A0 IL81242A0 IL81242A IL8124287A IL81242A0 IL 81242 A0 IL81242 A0 IL 81242A0 IL 81242 A IL81242 A IL 81242A IL 8124287 A IL8124287 A IL 8124287A IL 81242 A0 IL81242 A0 IL 81242A0
- Authority
- IL
- Israel
- Prior art keywords
- fiber optic
- mode selector
- optic mode
- selector
- fiber
- Prior art date
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
- G02B6/24—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
-
- 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 (1)
| Publication Number | Publication Date |
|---|---|
| IL81242A0 true IL81242A0 (en) | 1987-08-31 |
Family
ID=25230686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL81242A IL81242A0 (en) | 1986-01-17 | 1987-01-13 | Fiber optic mode selector |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4828350A (no) |
| EP (2) | EP0229711B1 (no) |
| JP (1) | JP2769615B2 (no) |
| KR (1) | KR870007433A (no) |
| AU (1) | AU6762787A (no) |
| CA (1) | CA1276492C (no) |
| DE (2) | DE3752262T2 (no) |
| IL (1) | IL81242A0 (no) |
| NO (1) | NO870187L (no) |
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 |
| GB2199422B (en) * | 1986-11-28 | 1991-04-10 | Fujikura Ltd | Optical fiber coupler having grooved substrate and manufacturing thereof |
| 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 |
| US5740292A (en) * | 1996-09-12 | 1998-04-14 | Lucent Technologies Inc. | Mode coupling optical waveguide grating |
| US5717798A (en) * | 1996-09-12 | 1998-02-10 | Lucent Technologies Inc. | Optical waveguide system comprising a mode coupling grating and a mode discrimination coupler |
| 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 |
| US6640027B2 (en) | 1997-06-06 | 2003-10-28 | Novera Optics, Inc. | Gain flattening tunable filter |
| US6510261B2 (en) | 1997-06-06 | 2003-01-21 | Novera Optics, Inc. | Acousto-optic variable attenuator with active cancellation of back reflections |
| US6233379B1 (en) * | 1997-06-06 | 2001-05-15 | Ultraband Fiber Optics | Acousto-optic filter |
| US6539148B1 (en) | 1997-06-06 | 2003-03-25 | Novera Optics, Inc. | Channel equalizer with acousto-optic variable attenuators |
| US6801686B2 (en) * | 1997-06-06 | 2004-10-05 | Novera Optics, Inc. | Methods and apparatus for measuring the power spectrum of optical signals |
| 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 |
| US6535678B1 (en) * | 1999-03-31 | 2003-03-18 | Fujikura Ltd | Multimode optical fiber with a higher order mode removing function |
| KR100358418B1 (ko) * | 2000-02-28 | 2002-10-25 | 한국과학기술원 | 용융형 모드분할 방향성 결합기의 제조방법 |
| 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 |
| US6597833B1 (en) | 2000-06-27 | 2003-07-22 | Oluma, Inc. | Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling |
| US6621951B1 (en) | 2000-06-27 | 2003-09-16 | Oluma, Inc. | Thin film structures in devices with a fiber on a substrate |
| 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 |
| US6516114B2 (en) | 2000-06-27 | 2003-02-04 | Oluma, Inc. | Integration of fibers on substrates fabricated with grooves |
| US6490391B1 (en) | 2000-07-12 | 2002-12-03 | Oluma, Inc. | Devices based on fibers engaged to substrates with grooves |
| US6621952B1 (en) | 2000-08-10 | 2003-09-16 | Oluma, Inc. | In-fiber variable optical attenuators and modulators using index-changing liquid media |
| US6571035B1 (en) | 2000-08-10 | 2003-05-27 | Oluma, Inc. | Fiber optical switches based on optical evanescent coupling between two fibers |
| 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 |
| WO2003100506A1 (en) * | 2002-05-28 | 2003-12-04 | Optun (Bvi) Ltd. | Method and apparatus for optical mode conversion |
| 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 |
| CA2899953C (en) * | 2013-02-01 | 2021-01-12 | Polyvalor, Limited Partnership | Asymmetric optical fiber coupler |
| SG11201510033RA (en) * | 2013-06-12 | 2016-01-28 | Massachusetts Inst Technology | Optical modulator from standard fabrication processing |
| 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 |
| EP4075174A4 (en) * | 2019-12-30 | 2023-06-14 | Huawei Technologies Co., Ltd. | OPTICAL FIBER SIGNAL MODE CONVERSION DEVICE, OPTICAL FIBER SIGNAL MODE CONVERSION METHOD AND OPTICAL FIBER TRANSMISSION SYSTEM |
| CN116724257A (zh) * | 2021-02-17 | 2023-09-08 | 日本电信电话株式会社 | 模式转换设备以及设计方法 |
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 |
| US4312562A (en) * | 1979-02-19 | 1982-01-26 | Ricoh Co., Ltd. | Optical control device |
| 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 DE DE3752262T patent/DE3752262T2/de not_active Expired - Lifetime
- 1987-01-13 DE DE3751124T patent/DE3751124T2/de not_active Expired - Lifetime
- 1987-01-13 EP EP87300268A patent/EP0229711B1/en not_active Expired - Lifetime
- 1987-01-13 EP EP94113433A patent/EP0627640B1/en not_active Expired - Lifetime
- 1987-01-13 IL IL81242A patent/IL81242A0/xx unknown
- 1987-01-15 CA CA000527402A patent/CA1276492C/en not_active Expired - Fee Related
- 1987-01-16 NO NO870187A patent/NO870187L/no unknown
- 1987-01-16 AU AU67627/87A patent/AU6762787A/en not_active Abandoned
- 1987-01-17 JP JP62008867A patent/JP2769615B2/ja not_active Expired - Lifetime
- 1987-01-17 KR KR870000354A patent/KR870007433A/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU6762787A (en) | 1987-07-23 |
| NO870187L (no) | 1987-07-20 |
| EP0627640A3 (en) | 1995-02-01 |
| KR870007433A (ko) | 1987-08-19 |
| DE3751124D1 (de) | 1995-04-13 |
| DE3752262D1 (de) | 1999-04-22 |
| DE3751124T2 (de) | 1995-10-26 |
| JPS62229110A (ja) | 1987-10-07 |
| CA1276492C (en) | 1990-11-20 |
| EP0229711A2 (en) | 1987-07-22 |
| DE3752262T2 (de) | 1999-07-08 |
| EP0229711A3 (en) | 1989-06-07 |
| EP0627640A2 (en) | 1994-12-07 |
| NO870187D0 (no) | 1987-01-16 |
| EP0627640B1 (en) | 1999-03-17 |
| US4828350A (en) | 1989-05-09 |
| EP0229711B1 (en) | 1995-03-08 |
| JP2769615B2 (ja) | 1998-06-25 |
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