DE69839961D1 - Optische querverbindungsvorrichtung - Google Patents
Optische querverbindungsvorrichtungInfo
- Publication number
- DE69839961D1 DE69839961D1 DE69839961T DE69839961T DE69839961D1 DE 69839961 D1 DE69839961 D1 DE 69839961D1 DE 69839961 T DE69839961 T DE 69839961T DE 69839961 T DE69839961 T DE 69839961T DE 69839961 D1 DE69839961 D1 DE 69839961D1
- Authority
- DE
- Germany
- Prior art keywords
- optical cross
- linking device
- linking
- optical
- cross
- 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
Links
Classifications
-
- 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
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
- H04B10/0731—Testing or characterisation of optical devices, e.g. amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
- H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
-
- 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
-
- 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
-
- 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
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0078—Frequency filtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2383—Parallel arrangements
- H01S3/2391—Parallel arrangements emitting at different wavelengths
-
- 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
- H04Q2011/0037—Operation
- H04Q2011/0039—Electrical control
-
- 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
- H04Q2011/0037—Operation
- H04Q2011/0049—Crosstalk reduction; Noise; Power budget
-
- 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
- H04Q11/0062—Network aspects
- H04Q2011/0069—Network aspects using dedicated optical channels
-
- 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
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4099997 | 1997-02-25 | ||
PCT/JP1998/000670 WO1998038709A1 (fr) | 1997-02-25 | 1998-02-18 | Emetteur optique, repeteur optique et dispositif d'interconnexion optique |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69839961D1 true DE69839961D1 (de) | 2008-10-16 |
Family
ID=12596126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69839961T Expired - Lifetime DE69839961D1 (de) | 1997-02-25 | 1998-02-18 | Optische querverbindungsvorrichtung |
Country Status (4)
Country | Link |
---|---|
US (3) | US6424445B1 (de) |
EP (1) | EP0964487B1 (de) |
DE (1) | DE69839961D1 (de) |
WO (1) | WO1998038709A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19909565A1 (de) * | 1999-03-04 | 2000-10-05 | Siemens Ag | Verfahren zur Überwachung des Betriebes von optischen Fasern |
US6771905B1 (en) * | 1999-06-07 | 2004-08-03 | Corvis Corporation | Optical transmission systems including optical switching devices, control apparatuses, and methods |
US6862380B2 (en) | 2000-02-04 | 2005-03-01 | At&T Corp. | Transparent optical switch |
CA2310293A1 (en) * | 2000-05-30 | 2001-11-30 | Alan F. Graves | Photonic network node |
US6804464B2 (en) * | 2000-11-01 | 2004-10-12 | Dowslake Microsystems Corporation | Flexible and low cost wavelength management for optical networking |
EP1271825A1 (de) * | 2001-06-25 | 2003-01-02 | Lucent Technologies Inc. | Verfahren und System zur Übertragung von multiplexierten optischen Nachrichten |
JP4647147B2 (ja) * | 2001-07-16 | 2011-03-09 | 富士通株式会社 | ラマン増幅を用いた光伝送方法および光伝送システム |
JP3976602B2 (ja) * | 2002-03-28 | 2007-09-19 | 富士通株式会社 | 光クロスコネクト装置 |
US7394981B2 (en) | 2002-03-28 | 2008-07-01 | Manifold Robert H | Optical communication management systems |
US6922501B2 (en) | 2002-04-11 | 2005-07-26 | Nortel Networks Limited | Fast optical switch |
US7394806B2 (en) | 2002-04-11 | 2008-07-01 | Nortel Networks Limited | Distributed space-time-space switch |
WO2003105496A1 (ja) * | 2002-06-06 | 2003-12-18 | 富士通株式会社 | 波長分割多重光信号の切り替え制御装置 |
EP1639730B1 (de) * | 2003-06-30 | 2018-01-10 | Fujitsu Limited | Optischer regenerator in einem faseroptischen übertragungssystem |
US20050008010A1 (en) * | 2003-07-10 | 2005-01-13 | Interactic Holdings, Llc | Self-regulating interconnect structure |
JP4484565B2 (ja) * | 2004-03-30 | 2010-06-16 | 富士通株式会社 | チルト補償機能を有する多段光増幅器 |
US7193839B2 (en) * | 2004-04-13 | 2007-03-20 | James Scott Hacsi | Methods of storing and retrieving electric energy |
US6975790B1 (en) * | 2005-01-10 | 2005-12-13 | Tyco Telecommunications (Us) Inc. | Apparatus for forming a WDM signal having orthogonally polarized optical channels |
US7440172B2 (en) * | 2005-06-23 | 2008-10-21 | Viscore Technologies Inc. | Optical amplifier |
US20070014514A1 (en) * | 2005-06-23 | 2007-01-18 | Viscore Technologies Inc. | Optical component |
JP4730145B2 (ja) * | 2006-03-08 | 2011-07-20 | 株式会社日立製作所 | 光信号切替え装置および光信号切替え方法 |
JP4648263B2 (ja) * | 2006-07-21 | 2011-03-09 | 株式会社日立製作所 | 光増幅器および光伝送装置 |
US8121478B2 (en) * | 2009-03-20 | 2012-02-21 | International Business Machines Corporation | Method and apparatus for implementing non-blocking computer interconnection network using bidirectional optical switch |
JP5251661B2 (ja) * | 2009-03-26 | 2013-07-31 | 日本電気株式会社 | 光アンプ装置とその制御方法、光伝送システム |
WO2015172328A1 (zh) * | 2014-05-14 | 2015-11-19 | 华为海洋网络有限公司 | 一种光中继器,及光纤通信系统 |
US10805034B2 (en) * | 2018-02-22 | 2020-10-13 | Nokia Solutions And Networks Oy | Protection of channel connections in an optical network |
US10880019B1 (en) | 2018-12-20 | 2020-12-29 | Acacia Communications, Inc | Impairment generation |
WO2023135737A1 (ja) * | 2022-01-14 | 2023-07-20 | 日本電信電話株式会社 | 光通信装置及び光通信方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3137632B2 (ja) | 1989-08-31 | 2001-02-26 | 富士通株式会社 | 光ファイバ増幅器を備えた光通信方式 |
ATE107825T1 (de) * | 1989-09-29 | 1994-07-15 | Siemens Ag | Lichtwellenleiter-telekommunikationssystem mit einem oder mehreren im lwl-weg liegenden optischen schalter(n). |
DE4036327A1 (de) * | 1990-11-15 | 1992-05-21 | Standard Elektrik Lorenz Ag | Optisches nachrichtenuebertragungssystem mit einem faseroptischen verstaerker |
JPH05292040A (ja) * | 1992-04-08 | 1993-11-05 | Hitachi Ltd | 光伝送システムの構築方法 |
US5500756A (en) | 1992-02-28 | 1996-03-19 | Hitachi, Ltd. | Optical fiber transmission system and supervision method of the same |
JP2928046B2 (ja) * | 1993-04-16 | 1999-07-28 | 日本電気株式会社 | 光ネットワ−ク及びその障害回復方式 |
GB2280560B (en) * | 1993-07-31 | 1997-09-03 | Northern Telecom Ltd | Communications system |
JPH0774746A (ja) * | 1993-08-31 | 1995-03-17 | Fujitsu Ltd | 制御部異常検出方法 |
JP3376144B2 (ja) * | 1994-12-28 | 2003-02-10 | 日本電気株式会社 | 光ネットワーク装置及び光伝送方式 |
JPH0927975A (ja) * | 1995-07-12 | 1997-01-28 | Nippon Telegr & Teleph Corp <Ntt> | 光クロスコネクト装置 |
WO1997004539A1 (en) * | 1995-07-18 | 1997-02-06 | British Telecommunications Public Limited Company | Optical communications system |
JP3309036B2 (ja) * | 1995-07-28 | 2002-07-29 | 松下電送システム株式会社 | カラー画像読取装置 |
CA2164071C (en) * | 1995-09-06 | 2001-08-21 | Thomas P. J. Flanagan | Optical communication system |
US6208444B1 (en) * | 1996-10-29 | 2001-03-27 | Chorum Technologies Inc. | Apparatus for wavelength demultiplexing using a multi-cavity etalon |
US5867289A (en) * | 1996-12-24 | 1999-02-02 | International Business Machines Corporation | Fault detection for all-optical add-drop multiplexer |
US5986783A (en) * | 1997-02-10 | 1999-11-16 | Optical Networks, Inc. | Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks |
US6046833A (en) * | 1997-02-10 | 2000-04-04 | Optical Networks, Inc. | Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks |
US5878177A (en) * | 1997-03-31 | 1999-03-02 | At&T Corp. | Layered switch architectures for high-capacity optical transport networks |
US6069719A (en) * | 1997-07-30 | 2000-05-30 | Ciena Corporation | Dynamically reconfigurable optical add-drop multiplexers for WDM optical communication systems |
US5959749A (en) * | 1998-05-20 | 1999-09-28 | Nortel Networks Corporation | Optical add/drop multiplexer/demultiplexer |
-
1998
- 1998-02-18 EP EP98904371A patent/EP0964487B1/de not_active Expired - Lifetime
- 1998-02-18 US US09/025,331 patent/US6424445B1/en not_active Expired - Fee Related
- 1998-02-18 WO PCT/JP1998/000670 patent/WO1998038709A1/ja active IP Right Grant
- 1998-02-18 DE DE69839961T patent/DE69839961D1/de not_active Expired - Lifetime
-
2002
- 2002-06-14 US US10/172,811 patent/US6731874B2/en not_active Expired - Fee Related
-
2004
- 2004-03-22 US US10/806,705 patent/US7194205B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040179839A1 (en) | 2004-09-16 |
EP0964487A1 (de) | 1999-12-15 |
EP0964487B1 (de) | 2008-09-03 |
EP0964487A4 (de) | 2005-10-19 |
US20020176142A1 (en) | 2002-11-28 |
WO1998038709A1 (fr) | 1998-09-03 |
US7194205B2 (en) | 2007-03-20 |
US6424445B1 (en) | 2002-07-23 |
US6731874B2 (en) | 2004-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |