DE69801632T2 - Verfahren und Vorrichtung zur Überwachung von optischen Mehrwellenlängensystemen - Google Patents

Verfahren und Vorrichtung zur Überwachung von optischen Mehrwellenlängensystemen

Info

Publication number
DE69801632T2
DE69801632T2 DE69801632T DE69801632T DE69801632T2 DE 69801632 T2 DE69801632 T2 DE 69801632T2 DE 69801632 T DE69801632 T DE 69801632T DE 69801632 T DE69801632 T DE 69801632T DE 69801632 T2 DE69801632 T2 DE 69801632T2
Authority
DE
Germany
Prior art keywords
monitoring optical
optical multi
wavelength systems
wavelength
systems
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 - Lifetime
Application number
DE69801632T
Other languages
English (en)
Other versions
DE69801632D1 (de
Inventor
Anatoli A Abramov
Arturo Hale
Joel Leslie Mock
Thomas A Strasser
Ashish Madhukar Vengsarkar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE69801632D1 publication Critical patent/DE69801632D1/de
Application granted granted Critical
Publication of DE69801632T2 publication Critical patent/DE69801632T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
DE69801632T 1997-11-12 1998-11-03 Verfahren und Vorrichtung zur Überwachung von optischen Mehrwellenlängensystemen Expired - Lifetime DE69801632T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/968,554 US6078709A (en) 1997-11-12 1997-11-12 Method and apparatus for monitoring multi-wavelength optical systems

Publications (2)

Publication Number Publication Date
DE69801632D1 DE69801632D1 (de) 2001-10-18
DE69801632T2 true DE69801632T2 (de) 2002-06-27

Family

ID=25514415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69801632T Expired - Lifetime DE69801632T2 (de) 1997-11-12 1998-11-03 Verfahren und Vorrichtung zur Überwachung von optischen Mehrwellenlängensystemen

Country Status (4)

Country Link
US (1) US6078709A (de)
EP (1) EP0917310B1 (de)
JP (1) JP2000066120A (de)
DE (1) DE69801632T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6404951B2 (en) * 1998-03-26 2002-06-11 Lasercomm Inc. Transverse spatial mode transformer for optical communication
US6282338B1 (en) * 2000-02-01 2001-08-28 Intelligent Optical Systems, Inc. Interfacial propagating mode waveguide
US6832023B1 (en) 2000-05-19 2004-12-14 Georgia Tech Research Corporation Optical fiber gratings with azimuthal refractive index perturbation, method of fabrication, and devices for tuning, attenuating, switching, and modulating optical signals
US6941081B2 (en) 2000-08-25 2005-09-06 Fitel Usa Corp. Method and apparatus for polarization measurements
US6529676B2 (en) 2000-12-08 2003-03-04 Lucent Technologies Inc. Waveguide incorporating tunable scattering material
US6839517B2 (en) 2001-02-12 2005-01-04 Agere Systems Inc. Apparatus and method for transmitting optical signals through a single fiber optical network
EP1424575A1 (de) * 2001-08-07 2004-06-02 Nippon Electric Glass Co., Ltd Basismaterial für eine optische kommunikationseinrichtung und optische kommunikationseinrichtung
US6826331B2 (en) * 2001-09-28 2004-11-30 Bookham Technology Plc Method of extracting spectral parameters of channels from non-channelized light
US6510257B1 (en) 2002-03-08 2003-01-21 Measurement Microsystems A-Z Inc. Multi-wavelength polarization monitor for use in fibre optic networks
US7345764B2 (en) * 2005-02-07 2008-03-18 Vladimir Bulovic Apparatus and method for a slim format spectrometer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636031A (en) * 1983-10-28 1987-01-13 Chevron Research Company Process of tuning a grated optical fiber and the tuned optical fiber
US4749248A (en) * 1985-11-06 1988-06-07 American Telephone And Telegraph Company At&T Bell Laboratories Device for tapping radiation from, or injecting radiation into, single made optical fiber, and communication system comprising same
US4828350A (en) * 1986-01-17 1989-05-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic mode selector
FR2663435B1 (fr) * 1990-06-13 1992-09-11 Commissariat Energie Atomique Filtre optique spatial monomode integre et son procede de fabrication.
US5093876A (en) * 1990-07-27 1992-03-03 At&T Bell Laboratories WDM systems incorporating adiabatic reflection filters
US5104209A (en) * 1991-02-19 1992-04-14 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communications Method of creating an index grating in an optical fiber and a mode converter using the index grating
CA2101411C (en) * 1992-08-14 2003-06-10 Jean-Pierre Weber Tunable optical filter
JP3119540B2 (ja) * 1993-04-12 2000-12-25 松下電器産業株式会社 光タップ
US5579143A (en) * 1993-06-04 1996-11-26 Ciena Corporation Optical system with tunable in-fiber gratings
US5469520A (en) * 1994-09-30 1995-11-21 United Technologies Corporation Compression-tuned fiber grating
US5828450A (en) * 1995-07-19 1998-10-27 Kyoto Dai-Ichi Kagaku Co., Ltd. Spectral measuring apparatus and automatic analyzer
FR2738697B1 (fr) * 1995-09-08 1997-10-17 Alcatel Nv Dispositif de surveillance d'un signal optique de telecommunications spectralement multiplexe et agencement de transmission dote d'un tel dispositif
US5703978A (en) * 1995-10-04 1997-12-30 Lucent Technologies Inc. Temperature insensitive long-period fiber grating devices
US5757540A (en) * 1996-09-06 1998-05-26 Lucent Technologies Inc. Long-period fiber grating devices packaged for temperature stability
US5717798A (en) * 1996-09-12 1998-02-10 Lucent Technologies Inc. Optical waveguide system comprising a mode coupling grating and a mode discrimination coupler
JPH10107773A (ja) * 1996-09-27 1998-04-24 Hitachi Cable Ltd 光波長分割多重通信システム
JPH10170722A (ja) * 1996-12-06 1998-06-26 Hitachi Cable Ltd モード変換器型光フィルタ

Also Published As

Publication number Publication date
EP0917310A2 (de) 1999-05-19
US6078709A (en) 2000-06-20
DE69801632D1 (de) 2001-10-18
EP0917310A3 (de) 1999-06-30
EP0917310B1 (de) 2001-09-12
JP2000066120A (ja) 2000-03-03

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Legal Events

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8364 No opposition during term of opposition