AU4799897A - Method and apparatus for combining add/drop optical signal lines from a plural ity of branching units - Google Patents
Method and apparatus for combining add/drop optical signal lines from a plural ity of branching unitsInfo
- Publication number
- AU4799897A AU4799897A AU47998/97A AU4799897A AU4799897A AU 4799897 A AU4799897 A AU 4799897A AU 47998/97 A AU47998/97 A AU 47998/97A AU 4799897 A AU4799897 A AU 4799897A AU 4799897 A AU4799897 A AU 4799897A
- Authority
- AU
- Australia
- Prior art keywords
- optical signal
- signal lines
- branching units
- drop optical
- plural ity
- 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.)
- Abandoned
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
- G02B6/29304—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 diffraction, e.g. grating
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29317—Light guides of the optical fibre type
- G02B6/29319—With a cascade of diffractive elements or of diffraction operations
- G02B6/2932—With a cascade of diffractive elements or of diffraction operations comprising a directional router, e.g. directional coupler, circulator
-
- 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
- G02B6/2938—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 for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
- G02B6/29382—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 for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
- G02B6/29383—Adding and dropping
-
- 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
-
- 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
- H04J14/0206—Express channels arrangements
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0215—Architecture aspects
- H04J14/0217—Multi-degree architectures, e.g. having a connection degree greater than two
-
- 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
- H04J14/0215—Architecture aspects
- H04J14/0219—Modular or upgradable architectures
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72859196A | 1996-10-10 | 1996-10-10 | |
| US08728591 | 1996-10-10 | ||
| PCT/US1997/015738 WO1998015861A1 (en) | 1996-10-10 | 1997-10-08 | Method and apparatus for combining add/drop optical signal lines from a plurality of branching units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU4799897A true AU4799897A (en) | 1998-05-05 |
Family
ID=24927478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU47998/97A Abandoned AU4799897A (en) | 1996-10-10 | 1997-10-08 | Method and apparatus for combining add/drop optical signal lines from a plural ity of branching units |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1012646A1 (en) |
| JP (1) | JP4105233B2 (en) |
| AU (1) | AU4799897A (en) |
| CA (1) | CA2267779A1 (en) |
| TW (1) | TW357504B (en) |
| WO (1) | WO1998015861A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6647209B1 (en) | 1998-02-13 | 2003-11-11 | Apa Optics, Inc. | Multiplexer and demultiplexer for single mode optical fiber communication links |
| GB2352105B (en) * | 1999-07-15 | 2001-09-26 | Marconi Comm Ltd | Optical system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311501A (en) * | 1991-03-15 | 1994-05-10 | Fujitsu Limited | Routing system for linear add-drop multiplexer |
| US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
| IT1265018B1 (en) * | 1993-08-10 | 1996-10-17 | Cselt Centro Studi Lab Telecom | DEVICE FOR EXTRACTION AND REINSERTION OF AN OPTICAL CARRIER IN OPTICAL COMMUNICATION NETWORKS. |
| 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 |
| SE502619C2 (en) * | 1994-10-11 | 1995-11-27 | Ericsson Telefon Ab L M | Optical NxN wavelength cross-coupler |
| US5566014A (en) * | 1994-12-28 | 1996-10-15 | At&T Corp. | Tunable add/drop optical filter providing arbitrary channel arrangements |
| SE503514C2 (en) * | 1995-02-06 | 1996-07-01 | Ericsson Telefon Ab L M | Device and method for coupling one or more wavelength channels to and from an optical fiber |
| EP0842574B1 (en) * | 1995-08-04 | 2002-04-03 | Alcatel | Add/drop multiplexer |
| JPH09270770A (en) * | 1996-04-02 | 1997-10-14 | Kokusai Denshin Denwa Co Ltd <Kdd> | Light adding and dropping device |
| JPH1032562A (en) * | 1996-07-16 | 1998-02-03 | Fujitsu Ltd | Optical add/drop circuit |
| JPH11514758A (en) * | 1996-08-29 | 1999-12-14 | コーニング インコーポレイテッド | Switchable optical signal add / drop device |
| JP3333093B2 (en) * | 1996-08-30 | 2002-10-07 | ケイディーディーアイ株式会社 | Wavelength switching equipment |
-
1997
- 1997-10-08 CA CA002267779A patent/CA2267779A1/en not_active Abandoned
- 1997-10-08 WO PCT/US1997/015738 patent/WO1998015861A1/en not_active Application Discontinuation
- 1997-10-08 JP JP51750698A patent/JP4105233B2/en not_active Expired - Fee Related
- 1997-10-08 EP EP97910697A patent/EP1012646A1/en not_active Withdrawn
- 1997-10-08 AU AU47998/97A patent/AU4799897A/en not_active Abandoned
- 1997-12-16 TW TW086114865A patent/TW357504B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998015861A1 (en) | 1998-04-16 |
| JP2001505728A (en) | 2001-04-24 |
| JP4105233B2 (en) | 2008-06-25 |
| TW357504B (en) | 1999-05-01 |
| CA2267779A1 (en) | 1998-04-16 |
| EP1012646A1 (en) | 2000-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK5 | Application lapsed section 142(2)(e) - patent request and compl. specification not accepted |