AU727466B2 - Switchable wavelength router - Google Patents
Switchable wavelength router Download PDFInfo
- Publication number
- AU727466B2 AU727466B2 AU69531/98A AU6953198A AU727466B2 AU 727466 B2 AU727466 B2 AU 727466B2 AU 69531/98 A AU69531/98 A AU 69531/98A AU 6953198 A AU6953198 A AU 6953198A AU 727466 B2 AU727466 B2 AU 727466B2
- Authority
- AU
- Australia
- Prior art keywords
- beams
- polarization
- polarizations
- rotating
- spectral band
- 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.)
- Ceased
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
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2706—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
- G02B6/2713—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
- G02B6/272—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations comprising polarisation means for beam splitting and combining
-
- 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
- G02B6/29302—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 based on birefringence or polarisation, e.g. wavelength dependent birefringence, polarisation 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
- G02B6/293—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
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
- G02B6/29362—Serial cascade of filters or filtering operations, e.g. for a large number of channels
-
- 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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29395—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 characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- 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
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
- G02B6/2766—Manipulating the plane of polarisation from one input polarisation to another output polarisation, e.g. polarisation rotators, linear to circular polarisation converters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0213—Groups of channels or wave bands arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0032—Construction using static wavelength routers (e.g. arrayed waveguide grating router [AWGR] )
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0035—Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optical Communication System (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US780291 | 1997-01-08 | ||
US08/780,291 US5694233A (en) | 1996-07-23 | 1997-01-08 | Switchable wavelength router |
PCT/US1998/006809 WO1998033289A2 (en) | 1997-01-08 | 1998-01-05 | Switchable wavelength router |
Publications (2)
Publication Number | Publication Date |
---|---|
AU6953198A AU6953198A (en) | 1998-08-18 |
AU727466B2 true AU727466B2 (en) | 2000-12-14 |
Family
ID=25119179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU69531/98A Ceased AU727466B2 (en) | 1997-01-08 | 1998-01-05 | Switchable wavelength router |
Country Status (7)
Families Citing this family (107)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005697A (en) * | 1996-07-23 | 1999-12-21 | Macro-Vision Communications, L.L.C. | Multi-wavelength cross-connect optical network |
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US5867291A (en) * | 1996-10-29 | 1999-02-02 | Chorum Technologies Inc. | Programmable wavelength router |
US6208442B1 (en) | 1998-03-26 | 2001-03-27 | Chorum Technologies, Inc. | Programmable optical multiplexer |
US6498680B1 (en) | 1996-10-29 | 2002-12-24 | Chorum Technologies Lp | Compact tunable optical wavelength interleaver |
US6115155A (en) | 1996-10-29 | 2000-09-05 | Chorum Technologies Inc. | System for dealing with faults in an optical link |
US6097518A (en) * | 1996-10-29 | 2000-08-01 | Chorum Technologies Inc. | N x M optical wavelength routing switch |
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US6243200B1 (en) * | 2000-03-02 | 2001-06-05 | Chorum Technologies, Inc. | Optical wavelength router based on polarization interferometer |
US6166838A (en) | 1997-03-24 | 2000-12-26 | Chorum Technologies, Inc. | Optical add/drop wavelength switch |
US6545783B1 (en) * | 1996-10-29 | 2003-04-08 | Chorum Technologies Lp | Optical wavelength add/drop multiplexer |
US6285478B1 (en) | 1998-03-26 | 2001-09-04 | Chorum Technologies Lp | Programmable optical add/drop device |
US6163393A (en) * | 1996-10-29 | 2000-12-19 | Chorum Technologies Inc. | Method and apparatus for wavelength multipexing/demultiplexing |
US6847786B2 (en) | 1996-10-29 | 2005-01-25 | Ec-Optics Technology, Inc. | Compact wavelength filter using optical birefringence and reflective elements |
US5946116A (en) * | 1997-04-02 | 1999-08-31 | Wu; Kuang-Yi | 1 X N digitally programmable optical routing switch |
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US6049404A (en) * | 1997-04-02 | 2000-04-11 | Macro-Vision Communications Inc. | N+M digitally programmable optical routing switch |
US6519022B1 (en) * | 1997-04-02 | 2003-02-11 | Chorum Technologies Lp | Optical routing switch using symmetric liquid crystal cells |
US5945255A (en) * | 1997-06-09 | 1999-08-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Birefringent interlayer for attenuating standing wave photoexposure of a photoresist layer formed over a reflective layer |
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US6094246A (en) | 1998-01-06 | 2000-07-25 | Chorum Technologies | Acute twist nematic liquid crystal electro-optic modulator for use in an infrared optical communication system having extinction ratio of -25db |
JP3779054B2 (ja) * | 1998-01-23 | 2006-05-24 | 富士通株式会社 | 可変光学フィルタ |
JP3638777B2 (ja) * | 1998-02-04 | 2005-04-13 | 富士通株式会社 | 利得等化のための方法並びに該方法の実施に使用する装置及びシステム |
US6026203A (en) * | 1998-07-30 | 2000-02-15 | Hewlett-Packard Company | Polarization mixer based on walk-off crystals, half-wave plates and TEC fibers |
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CN102043255B (zh) * | 2010-11-18 | 2012-07-25 | 华中科技大学 | 基于偏振干涉的全光ofdm信号复用与解复用装置 |
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Citations (3)
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DE69013130T2 (de) * | 1989-12-28 | 1995-03-09 | Fujitsu Ltd | Optischer räumlicher Schalter und Netzwerk mit derartigen optischen räumlichen Schaltern. |
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US5317658A (en) * | 1992-04-06 | 1994-05-31 | At&T Bell Laboratories | Apparatus and method for providing a polarization independent optical switch |
-
1997
- 1997-01-08 US US08/780,291 patent/US5694233A/en not_active Expired - Lifetime
-
1998
- 1998-01-05 WO PCT/US1998/006809 patent/WO1998033289A2/en not_active Application Discontinuation
- 1998-01-05 EP EP98915317A patent/EP0951764A2/en not_active Withdrawn
- 1998-01-05 CN CN98803180A patent/CN1249871A/zh active Pending
- 1998-01-05 AU AU69531/98A patent/AU727466B2/en not_active Ceased
- 1998-01-05 JP JP53228698A patent/JP2001508194A/ja active Pending
- 1998-01-05 CA CA002276275A patent/CA2276275C/en not_active Expired - Fee Related
Patent Citations (3)
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US5381250A (en) * | 1992-11-06 | 1995-01-10 | Displaytech, Inc. | Electro-optical switch with 4 port modules with electro-optic polarization rotators |
US5363228A (en) * | 1993-03-05 | 1994-11-08 | General Electric Company | Optical device with spatial light modulators for switching arbitrarily polarized light |
US5414541A (en) * | 1993-06-01 | 1995-05-09 | Bell Communications Research, Inc. | Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45° |
Also Published As
Publication number | Publication date |
---|---|
EP0951764A2 (en) | 1999-10-27 |
CN1249871A (zh) | 2000-04-05 |
US5694233A (en) | 1997-12-02 |
WO1998033289A3 (en) | 1998-11-05 |
CA2276275C (en) | 2002-08-06 |
AU6953198A (en) | 1998-08-18 |
WO1998033289A2 (en) | 1998-07-30 |
EP0951764A4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1999-10-27 |
JP2001508194A (ja) | 2001-06-19 |
CA2276275A1 (en) | 1998-07-30 |
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Legal Events
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FGA | Letters patent sealed or granted (standard patent) | ||
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |