KR940022108A - 마하-젠더(Mach-Zehnder) 디바이스 및 이의 제조방법 - Google Patents
마하-젠더(Mach-Zehnder) 디바이스 및 이의 제조방법 Download PDFInfo
- Publication number
- KR940022108A KR940022108A KR1019940006402A KR19940006402A KR940022108A KR 940022108 A KR940022108 A KR 940022108A KR 1019940006402 A KR1019940006402 A KR 1019940006402A KR 19940006402 A KR19940006402 A KR 19940006402A KR 940022108 A KR940022108 A KR 940022108A
- Authority
- KR
- South Korea
- Prior art keywords
- tube
- optical fibers
- mach
- phase shift
- region
- 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
- G02B6/2804—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
-
- 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
-
- 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
- G02B6/29346—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 wave or beam interference
- G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
- G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Filters (AREA)
Abstract
Description
Claims (10)
- 매트릭스 유리로 이루어진 신장바디, 상기 바디를 통하여 종방향으로 연장되어 있는 서로 다른 제 1 광섬유 및 제 2 광섬유, 상기 바디내의 위상 변동지역, 및 상기 위상 변동지역의 반대쪽 말단에 있는 상기 바디내의 서로 떨어져 있는 두개의 커플러 지역으로 이루어지며, 상기 위상 변동지역에서 상기 광섬유들이 서로 다른 전달상수를 가지며 이에 의해 광 시그날들이 상기 위상 변동지역에서 서로 다른 속도로 상기 광섬유들을 통하여 전달되며, 상기 바디 및 광섬유들이 상기 위상 변동지역에서보다 상기 커플러지역에서 좀더 작은 직경을 가지는 것을 특징으로 하는 마하-젠더 디바이스.
- 제 1 항에 있어서, 상기 광섬유들의 코아가 서로 다른 굴절율 및/또는 직경을 가지는 것을 특징으로 하는 마하-젠더 디바이스.
- 제 1 항 또는 제 2 항에 있어서, 상기 매트릭스 유리가 상기 위상 변동지역에서 상기 광섬유들과 실질적으로 접촉하는 것을 특징으로 하는 마하-젠더 디바이스.
- 제 1 항에 있어서, 상기 광섬유들이 상기 위상 변동지역에서 신장된 캐비티를 통하여 연장되고 이에 의해 상기 매트릭스 유리가 상기 위상 변동지역에 있는 광섬유들에 의해 실질적으로 접촉되지 않는 것을 특징으로 하는 마하-젠더 디바이스.
- 제 1 항, 제 2 항, 제 3 항 또는 제 4 항에 있어서, 상기 커플러 지역이 무색인 것을 특징으로 하는 마하-젠더 디바이스.
- 제 1 항에 있어서, 상기 위상 변동지역에 있는 섬유들의 직경이 상기 위상 변동지역의 반대쪽에 위치한 커플러의 말단에 있는 섬유들의 직경과 동일한 것을 특징으로 하는 마하-젠더 디바이스.
- 다수의 광섬유들을 유리관의 보어내로 삽입하는 단계, 상기 관의 보어를 진공화시키는 단계, 상기 관을 가열하여 상기 관의 제 1 지역을 상기 광섬유위로 함몰시키는 단계, 상기 제 1 함몰지역의 중간부를 신장시켜 제 1 커플링지역을 형성시키는 단계, 상기 관을 가열하여 상기 관의 제 2 지역을 상기 광섬유위로 함몰시키는 단계, 및 상기 제 2 함몰지역의 중간부를 신장시켜 상기 제 1 커플링지역으로부터 떨어져 위치한 제 2 커플링지역을 형성시키는 단계로 이루어지는 것을 특징으로 하는 마하-젠더 디바이스의 제조방법.
- 제 7 항에 있어서, 상기 관을 가열하여 제1 및 제 2 관지역을 함몰시키는 단계가 상기 제 1 함몰지역의 중간부를 신장하는 단계전에 수행되는 것을 특징으로 하는 마하-젠더 디바이스의 제조방법.
- 제 7 항에 있어서, 상기 관을 가열하여 제1 및 제 2 관지역을 상기 광섬유들위로 함몰시키는 단계 후, 상기 매트릭스 유리가 상기 커플링지역 사이에서 광섬유들과 실질적으로 접촉하는 것을 특징으로 하는 마하-젠더 디바이스의 제조방법.
- 제 7 항에 있어서, 상기 관을 가열하여 제1 및 제 2 관지역을 상기 광섬유들위로 함몰시키는 단계 후, 상기 매트릭스 유리가 상기 커플링지역 사이에서 광섬유들로부터 실질적으로 서로 떨어져 배치되는 것을 특징으로 하는 마하-젠더 디바이스의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/038,244 | 1993-03-29 | ||
US08/038,244 US5295205A (en) | 1993-03-29 | 1993-03-29 | Environmentally stable monolithic Mach-Zehnder device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940022108A true KR940022108A (ko) | 1994-10-20 |
KR100323207B1 KR100323207B1 (ko) | 2002-06-20 |
Family
ID=21898832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940006402A KR100323207B1 (ko) | 1993-03-29 | 1994-03-29 | 마하-젠더(Mach-Zehnder)디바이스및이의제조방법 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5295205A (ko) |
EP (1) | EP0618478B1 (ko) |
JP (1) | JPH0735922A (ko) |
KR (1) | KR100323207B1 (ko) |
CN (1) | CN1065634C (ko) |
AU (1) | AU665898B2 (ko) |
CA (1) | CA2115627A1 (ko) |
DE (1) | DE69410679T2 (ko) |
TW (1) | TW428734U (ko) |
Families Citing this family (42)
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DE4300593C1 (de) * | 1993-01-13 | 1994-05-26 | Deutsche Aerospace | Schutzhülle für einen Monomode-Richtkoppler |
US5351325A (en) * | 1993-04-29 | 1994-09-27 | Corning Incorporated | Narrow band Mach-Zehnder filter |
US5636300A (en) * | 1994-12-12 | 1997-06-03 | Corning Incorporated | MxO multiplex demultiplex component |
EP0873532A4 (en) * | 1995-06-09 | 1999-12-15 | Corning Inc | MACH-ZEHNDER SWITCH |
US5703975A (en) * | 1995-06-09 | 1997-12-30 | Corning Incorporated | Interferometric switch |
US5943458A (en) * | 1995-06-09 | 1999-08-24 | Corning Incorporated | Mach-Zehnder interferometric devices with composite fibers |
US5664037A (en) * | 1995-09-28 | 1997-09-02 | Corning Incorporated | Multi-neckdown fiber optic coupler |
US5594822A (en) * | 1995-12-05 | 1997-01-14 | Corning Incorporated | Fiber optic couplers, preform and method of making same |
US5946432A (en) * | 1997-04-11 | 1999-08-31 | Corning Incorporated | Periodic mach-zehnder optical filters |
KR19990023035A (ko) * | 1996-04-18 | 1999-03-25 | 알프레드 엘. 미첼슨 | 주기 마하-젠더 광필터 |
CA2208122A1 (en) * | 1996-07-08 | 1998-01-08 | Corning Incorporated | Mach-zehnder interferometric devices with composite fibers |
EP1091222A3 (en) * | 1996-07-08 | 2001-05-02 | Corning Incorporated | Method of making Mach-Zehnder interferometric device with composite fibers |
EP0849231B1 (en) | 1996-12-20 | 2004-05-06 | Corning Incorporated | Athermalized codoped optical waveguide device |
SE508871C2 (sv) * | 1997-03-07 | 1998-11-09 | Ericsson Telefon Ab L M | Förfarande och anordning för omkoppling av optiska våglängdsmultiplexerade kanaler |
CN1132032C (zh) * | 1997-08-19 | 2003-12-24 | 皮雷利·卡维系统有限公司 | 制造光纤维预制棒的方法与装置 |
US5978114A (en) * | 1997-08-29 | 1999-11-02 | Amphenol Corporation | Modular cascaded Mach-Zehnder DWDM components |
US6137927A (en) * | 1998-01-16 | 2000-10-24 | Corning Incorporated | N-port reconfigurable DWDM multiplexer and demultiplexer |
US6031948A (en) * | 1998-03-03 | 2000-02-29 | Applied Fiber Optics, Inc. | Fused-fiber multi-window wavelength division multiplexer using an unbalanced Mach-Zehnder interferometer and method of making same |
CN1295728A (zh) * | 1998-03-31 | 2001-05-16 | 康宁股份有限公司 | 具有宽的平坦增益动态范围的光学放大器 |
KR100279742B1 (ko) * | 1998-05-21 | 2001-02-01 | 정선종 | 광섬유 마하젠더 간섭계 광필터 |
CN1311865A (zh) | 1998-06-29 | 2001-09-05 | 康宁股份有限公司 | 单片同轴元件 |
EP0982607A1 (en) * | 1998-08-27 | 2000-03-01 | Corning Incorporated | Athermal integrated optical waveguide device |
KR100281410B1 (ko) | 1998-11-24 | 2001-02-01 | 정선종 | 광섬유 편광 간섭계를 이용한 파장 가변 광필터링 시스템 |
US6201237B1 (en) * | 1998-12-18 | 2001-03-13 | Corning Incorporated | Fiber optic sensor |
US6278821B1 (en) | 1999-08-13 | 2001-08-21 | Corning Incorporated | Segmented cane mach-zehnder interferometer |
US6407853B1 (en) | 1999-10-29 | 2002-06-18 | Corning Incorporated | Broadhead dual wavelength pumped fiber amplifier |
EP1202089A1 (en) * | 2000-10-31 | 2002-05-02 | PIRELLI CAVI E SISTEMI S.p.A. | Optical fibre filter |
CA2335216C (en) | 2001-02-09 | 2007-06-05 | Itf Optical Technologies Inc.-Technologies Optiques Itf Inc. | Passive thermal compensation of all-fiber mach-zehnder interferometer |
WO2003009011A2 (en) | 2001-07-20 | 2003-01-30 | Nufern | Optical fiber grating having high temperature insensitivity |
US6553170B2 (en) | 2001-08-31 | 2003-04-22 | Lightwave Microsystems Corporation | Method and system for a combination of high boron and low boron BPSG top clad fabrication process for a planar lightwave circuit |
US20030081879A1 (en) * | 2001-11-01 | 2003-05-01 | Sebastien Gilbert | Fast phase modulation of the arms of a fiberoptics Mach-Zehnder interferometer during the elongation of the second coupler |
US6904214B2 (en) * | 2002-05-14 | 2005-06-07 | Nufern | Method of providing an optical fiber having a minimum temperature sensitivity at a selected temperature |
JP4949620B2 (ja) * | 2004-03-31 | 2012-06-13 | 富士通株式会社 | 光波形整形器 |
US7492998B2 (en) * | 2004-08-31 | 2009-02-17 | Corning Incorporated | Fiber bundles and methods of making fiber bundles |
CA2499651A1 (en) * | 2005-03-04 | 2006-09-04 | Itf Technologies Optiques Inc./Itf Optical Technologies Inc. | All-fiber phase controlled delay interferometer and method of making the same |
US7236671B2 (en) * | 2005-05-10 | 2007-06-26 | Corning Incorporated | Fiber bundles and methods of making fiber bundles |
WO2013052932A1 (en) * | 2011-10-06 | 2013-04-11 | Ofs Fitel, Llc | Broadband fiber sensor array |
US9952719B2 (en) | 2012-05-24 | 2018-04-24 | Corning Incorporated | Waveguide-based touch system employing interference effects |
US20140210770A1 (en) | 2012-10-04 | 2014-07-31 | Corning Incorporated | Pressure sensing touch systems and methods |
US9513440B2 (en) * | 2013-01-28 | 2016-12-06 | Harris Corporation | Actuator systems for deflecting optical waveguides, and devices for processing optical signals comprising same |
US11803011B1 (en) * | 2022-04-12 | 2023-10-31 | Eagle Technology, Llc | Optical switch having latched switch states and associated methods |
US11982883B2 (en) * | 2022-04-12 | 2024-05-14 | Eagle Technology, Llc | Optical device having phase change material and associated methods |
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GB8421311D0 (en) * | 1984-08-22 | 1984-09-26 | Gen Electric Co Plc | Interferometers |
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US4915467A (en) * | 1988-09-12 | 1990-04-10 | Corning Incorporated | Method of making fiber coupler having integral precision connection wells |
US5044716A (en) * | 1989-12-08 | 1991-09-03 | Corning Incorporated | Chlorine-doped optical component |
US5011251A (en) * | 1989-12-08 | 1991-04-30 | Corning Incorporated | Achromatic fiber optic coupler |
US5177802A (en) * | 1990-03-07 | 1993-01-05 | Sharp Kabushiki Kaisha | Fingerprint input apparatus |
US5119453A (en) * | 1991-04-05 | 1992-06-02 | Ecole Polytechnique | Wavelength-flattened 2x2 splitter for single-mode optical waveguides and method of making same |
US5177803A (en) * | 1991-04-29 | 1993-01-05 | Corning Incorporated | Coaxial optical fiber coupler transmitter-receiver apparatus and method of making same |
US5240489A (en) * | 1992-09-11 | 1993-08-31 | Corning Incorporated | Method of making a fiber optic coupler |
-
1993
- 1993-03-29 US US08/038,244 patent/US5295205A/en not_active Expired - Lifetime
-
1994
- 1994-02-14 CA CA002115627A patent/CA2115627A1/en not_active Abandoned
- 1994-03-18 EP EP94104248A patent/EP0618478B1/en not_active Expired - Lifetime
- 1994-03-18 DE DE69410679T patent/DE69410679T2/de not_active Expired - Fee Related
- 1994-03-24 AU AU59029/94A patent/AU665898B2/en not_active Ceased
- 1994-03-28 CN CN94103098A patent/CN1065634C/zh not_active Expired - Fee Related
- 1994-03-29 JP JP6081097A patent/JPH0735922A/ja active Pending
- 1994-03-29 KR KR1019940006402A patent/KR100323207B1/ko not_active IP Right Cessation
- 1994-03-30 TW TW086219476U patent/TW428734U/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU665898B2 (en) | 1996-01-18 |
AU5902994A (en) | 1994-10-06 |
CN1065634C (zh) | 2001-05-09 |
EP0618478A1 (en) | 1994-10-05 |
DE69410679D1 (de) | 1998-07-09 |
US5295205A (en) | 1994-03-15 |
CA2115627A1 (en) | 1994-09-30 |
DE69410679T2 (de) | 1998-10-22 |
CN1094815A (zh) | 1994-11-09 |
JPH0735922A (ja) | 1995-02-07 |
EP0618478B1 (en) | 1998-06-03 |
TW428734U (en) | 2001-04-01 |
KR100323207B1 (ko) | 2002-06-20 |
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