DE69411222T2 - Schmalbundiges Mach-Zehnder Filter - Google Patents
Schmalbundiges Mach-Zehnder FilterInfo
- Publication number
- DE69411222T2 DE69411222T2 DE69411222T DE69411222T DE69411222T2 DE 69411222 T2 DE69411222 T2 DE 69411222T2 DE 69411222 T DE69411222 T DE 69411222T DE 69411222 T DE69411222 T DE 69411222T DE 69411222 T2 DE69411222 T2 DE 69411222T2
- Authority
- DE
- Germany
- Prior art keywords
- fiber
- fibers
- coupler
- coupling
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000835 fiber Substances 0.000 claims description 149
- 230000003287 optical effect Effects 0.000 claims description 34
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000005253 cladding Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000001902 propagating effect Effects 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 description 20
- 239000013307 optical fiber Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 5
- 101100234408 Danio rerio kif7 gene Proteins 0.000 description 4
- 101100221620 Drosophila melanogaster cos gene Proteins 0.000 description 4
- 101100398237 Xenopus tropicalis kif11 gene Proteins 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 101150118300 cos gene Proteins 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000382 optic material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
- 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
- G02B6/29355—Cascade arrangement of interferometers
-
- 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
- G02B6/2856—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 formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements
-
- 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
- G02B6/2861—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 fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Optical Integrated Circuits (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/052,523 US5351325A (en) | 1993-04-29 | 1993-04-29 | Narrow band Mach-Zehnder filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69411222D1 DE69411222D1 (de) | 1998-07-30 |
| DE69411222T2 true DE69411222T2 (de) | 1998-10-29 |
Family
ID=21978179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69411222T Expired - Fee Related DE69411222T2 (de) | 1993-04-29 | 1994-04-13 | Schmalbundiges Mach-Zehnder Filter |
Country Status (8)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479546A (en) * | 1994-05-16 | 1995-12-26 | Litton Systems, Inc. | Optimized non-linear effect tapered optical fiber interferometer/switch device |
| CA2128645C (en) * | 1994-07-22 | 2002-07-16 | Francois Gonthier | Multiport optical waveguide interferometer and method of making the same |
| TW291539B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1994-09-30 | 1996-11-21 | Corning Inc | |
| US5636300A (en) * | 1994-12-12 | 1997-06-03 | Corning Incorporated | MxO multiplex demultiplex component |
| US5726804A (en) * | 1995-05-15 | 1998-03-10 | Rocky Mountain Research Center | Wavetrain stabilization and sorting |
| US5943458A (en) * | 1995-06-09 | 1999-08-24 | Corning Incorporated | Mach-Zehnder interferometric devices with composite fibers |
| WO1996042027A1 (en) * | 1995-06-09 | 1996-12-27 | Corning Incorporated | Mach-zehnder switch |
| US5703975A (en) * | 1995-06-09 | 1997-12-30 | Corning Incorporated | Interferometric switch |
| US5647032A (en) * | 1995-08-24 | 1997-07-08 | Kowa Company, Ltd. | Interferometers for measuring coherence length and high-speed switching of laser light |
| AU725194B2 (en) * | 1995-09-29 | 2000-10-05 | Corning Incorporated | Method and apparatus for making fiber optic couplers |
| US5710648A (en) * | 1995-12-29 | 1998-01-20 | Lucent Technologies Inc. | Optical communication system and remote sensor interrogation |
| CA2221631A1 (en) * | 1996-04-18 | 1997-10-23 | Daniel Nolan | Periodic mach-zehnder optical filters |
| US5946432A (en) * | 1997-04-11 | 1999-08-31 | Corning Incorporated | Periodic mach-zehnder optical filters |
| 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 |
| CN1060572C (zh) * | 1996-11-13 | 2001-01-10 | 陈祖培 | 熔锥型高密度波分复用器 |
| TW472024B (en) * | 1997-06-18 | 2002-01-11 | Corning Corp | A method of positioning a broken fiber for threading |
| US5978114A (en) * | 1997-08-29 | 1999-11-02 | Amphenol Corporation | Modular cascaded Mach-Zehnder DWDM components |
| JP2002510867A (ja) * | 1998-03-31 | 2002-04-09 | コーニング・インコーポレーテッド | 広帯域で平坦な利得ダイナミックレンジを有する光アンプ |
| 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 |
| US6563629B2 (en) | 2001-05-18 | 2003-05-13 | Redc Optical Networks Ltd. | Method and apparatus for full C-band amplifier with high dynamic gain range |
| US6611641B2 (en) | 2001-10-30 | 2003-08-26 | Redc Optical Networks Ltd. | Method and apparatus for a highly efficient, high performance optical amplifier |
| US7132906B2 (en) | 2003-06-25 | 2006-11-07 | Werlatone, Inc. | Coupler having an uncoupled section |
| CN1911780B (zh) * | 2005-08-09 | 2010-05-05 | 探微科技股份有限公司 | 保护晶片正面图案的方法与进行双面工艺的方法 |
| TWI282587B (en) | 2005-11-11 | 2007-06-11 | Touch Micro System Tech | Method of performing double-sided process |
| CN100477077C (zh) * | 2005-11-28 | 2009-04-08 | 探微科技股份有限公司 | 进行双面工艺的方法 |
| US9164239B2 (en) * | 2006-03-15 | 2015-10-20 | Alcatel Lucent | Method and apparatus for optically filtering a communication signal |
| US8055141B2 (en) * | 2007-12-17 | 2011-11-08 | Alcatel Lucent | Balanced optical signal processor |
| 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 |
| US10976576B2 (en) * | 2016-08-30 | 2021-04-13 | Halliburton Energy Services, Inc. | Bias control for downhole optical intensity modulators |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307933A (en) * | 1980-02-20 | 1981-12-29 | General Dynamics, Pomona Division | Optical fiber launch coupler |
| US4671605A (en) * | 1985-02-06 | 1987-06-09 | The United States Of America As Represented By The Secretary Of The Air Force | Length dependent, optical time delay/filter device for electrical signals |
| GB8513771D0 (en) * | 1985-05-31 | 1985-07-03 | Gen Electric Co Plc | Tunable optical fibre filters |
| GB2211956B (en) * | 1987-11-05 | 1991-12-18 | Gen Electric Co Plc | Optical switch |
| US4900119A (en) * | 1988-04-01 | 1990-02-13 | Canadian Patents & Development Ltd. | Wavelength selective optical devices using optical directional coupler |
| GB2224583B (en) * | 1988-10-28 | 1992-01-08 | Plessey Co Plc | Guided-wave optical wavelength duplexer |
| US5044715A (en) * | 1989-02-07 | 1991-09-03 | Nippon Telegraph And Telephone Corporation | Guided-wave optical branching components and optical switches |
| US5122852A (en) * | 1990-04-23 | 1992-06-16 | Bell Communications Research, Inc. | Grafted-crystal-film integrated optics and optoelectronic devices |
| US5066088A (en) * | 1990-08-27 | 1991-11-19 | Westinghouse Electric Corp. | Optical variable delay line and variable-frequency fiber-optic multiplexer |
| US5175782A (en) * | 1990-11-16 | 1992-12-29 | Amp Incorporated | Optical fiber coupler of improved signal distribution characteristics |
| US5119453A (en) * | 1991-04-05 | 1992-06-02 | Ecole Polytechnique | Wavelength-flattened 2x2 splitter for single-mode optical waveguides and method of making same |
| US5136671A (en) * | 1991-08-21 | 1992-08-04 | At&T Bell Laboratories | Optical switch, multiplexer, and demultiplexer |
| US5251277A (en) * | 1992-09-11 | 1993-10-05 | Corning Incorporated | Optical fiber coupler exhibiting reduced polarization sensitivity and method of making same |
| US5295205A (en) * | 1993-03-29 | 1994-03-15 | Corning Incorporated | Environmentally stable monolithic Mach-Zehnder device |
| WO1994023319A1 (en) * | 1993-04-06 | 1994-10-13 | Porta Systems Corporation | Fiberoptic coupling |
| US5461685A (en) * | 1993-10-18 | 1995-10-24 | At&T Ipm Corp. | Optical passband filter |
-
1993
- 1993-04-29 US US08/052,523 patent/US5351325A/en not_active Expired - Lifetime
-
1994
- 1994-01-24 CA CA002114082A patent/CA2114082A1/en not_active Abandoned
- 1994-02-08 TW TW083101195A patent/TW236058B/zh active
- 1994-04-13 DE DE69411222T patent/DE69411222T2/de not_active Expired - Fee Related
- 1994-04-13 EP EP94105674A patent/EP0622650B1/en not_active Expired - Lifetime
- 1994-04-15 CN CN94104223A patent/CN1098506A/zh active Pending
- 1994-04-20 AU AU60548/94A patent/AU677819B2/en not_active Ceased
- 1994-04-28 JP JP6111945A patent/JPH07168018A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1098506A (zh) | 1995-02-08 |
| US5351325A (en) | 1994-09-27 |
| JPH07168018A (ja) | 1995-07-04 |
| CA2114082A1 (en) | 1994-10-30 |
| EP0622650A1 (en) | 1994-11-02 |
| AU6054894A (en) | 1994-11-03 |
| TW236058B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-12-11 |
| AU677819B2 (en) | 1997-05-08 |
| EP0622650B1 (en) | 1998-06-24 |
| DE69411222D1 (de) | 1998-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |