WO2001092934A1 - Technique for detecting the status of wdm optical signals - Google Patents
Technique for detecting the status of wdm optical signals Download PDFInfo
- Publication number
- WO2001092934A1 WO2001092934A1 PCT/US2001/017197 US0117197W WO0192934A1 WO 2001092934 A1 WO2001092934 A1 WO 2001092934A1 US 0117197 W US0117197 W US 0117197W WO 0192934 A1 WO0192934 A1 WO 0192934A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- representative
- optical
- multiplexed
- optical signal
- polychromatic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
-
- 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
- G02B6/29305—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 as bulk element, i.e. free space arrangement external to a light guide
- G02B6/2931—Diffractive element operating in reflection
-
- 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
- G02B6/29305—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 as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29311—Diffractive element operating in transmission
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
- H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0221—Power control, e.g. to keep the total optical power constant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
- H04J14/0283—WDM ring architectures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01944179A EP1301816A4 (en) | 2000-05-26 | 2001-05-29 | Technique for detecting the status of wdm optical signals |
AU2001266616A AU2001266616A1 (en) | 2000-05-26 | 2001-05-29 | Technique for detecting the status of wdm optical signals |
CA002410482A CA2410482A1 (en) | 2000-05-26 | 2001-05-29 | Technique for detecting the status of wdm optical signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/578,721 US6480648B1 (en) | 1999-02-25 | 2000-05-26 | Technique for detecting the status of WDM optical signals |
US09/578,721 | 2000-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001092934A1 true WO2001092934A1 (en) | 2001-12-06 |
Family
ID=24314024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/017197 WO2001092934A1 (en) | 2000-05-26 | 2001-05-29 | Technique for detecting the status of wdm optical signals |
Country Status (5)
Country | Link |
---|---|
US (1) | US6480648B1 (en) |
EP (1) | EP1301816A4 (en) |
AU (1) | AU2001266616A1 (en) |
CA (1) | CA2410482A1 (en) |
WO (1) | WO2001092934A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1215836A2 (en) * | 2000-12-14 | 2002-06-19 | Alcatel USA Sourcing, L.P. | Wavelength agile optical transponder for bi-directional, single fiber WDM system testing |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003240325A1 (en) * | 2002-06-10 | 2003-12-22 | Lnl Technologies Canada Inc. | Optical channel monitoring integrated in a demultiplexer |
Citations (3)
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US5838488A (en) * | 1996-06-06 | 1998-11-17 | Nec Corporation | Optical amplifier gain control circuitry using a variable reference corresponding to the number of multiplexed wavelengths |
US6014248A (en) * | 1997-10-17 | 2000-01-11 | Fujitsu Limited | Wavelength division multiplexed optical signal amplifier |
US6091539A (en) * | 1997-03-12 | 2000-07-18 | Hitachi, Ltd. | Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus |
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-
2000
- 2000-05-26 US US09/578,721 patent/US6480648B1/en not_active Expired - Fee Related
-
2001
- 2001-05-29 AU AU2001266616A patent/AU2001266616A1/en not_active Abandoned
- 2001-05-29 EP EP01944179A patent/EP1301816A4/en not_active Withdrawn
- 2001-05-29 WO PCT/US2001/017197 patent/WO2001092934A1/en not_active Application Discontinuation
- 2001-05-29 CA CA002410482A patent/CA2410482A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5838488A (en) * | 1996-06-06 | 1998-11-17 | Nec Corporation | Optical amplifier gain control circuitry using a variable reference corresponding to the number of multiplexed wavelengths |
US6091539A (en) * | 1997-03-12 | 2000-07-18 | Hitachi, Ltd. | Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus |
US6014248A (en) * | 1997-10-17 | 2000-01-11 | Fujitsu Limited | Wavelength division multiplexed optical signal amplifier |
Non-Patent Citations (1)
Title |
---|
See also references of EP1301816A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1215836A2 (en) * | 2000-12-14 | 2002-06-19 | Alcatel USA Sourcing, L.P. | Wavelength agile optical transponder for bi-directional, single fiber WDM system testing |
EP1215836A3 (en) * | 2000-12-14 | 2005-08-31 | Alcatel USA Sourcing, L.P. | Wavelength agile optical transponder for bi-directional, single fiber WDM system testing |
Also Published As
Publication number | Publication date |
---|---|
EP1301816A4 (en) | 2006-07-26 |
US6480648B1 (en) | 2002-11-12 |
CA2410482A1 (en) | 2001-12-06 |
AU2001266616A1 (en) | 2001-12-11 |
EP1301816A1 (en) | 2003-04-16 |
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