DE69836670D1 - Optischer Ein-/Ausfügemultiplexer - Google Patents
Optischer Ein-/AusfügemultiplexerInfo
- Publication number
- DE69836670D1 DE69836670D1 DE69836670T DE69836670T DE69836670D1 DE 69836670 D1 DE69836670 D1 DE 69836670D1 DE 69836670 T DE69836670 T DE 69836670T DE 69836670 T DE69836670 T DE 69836670T DE 69836670 D1 DE69836670 D1 DE 69836670D1
- Authority
- DE
- Germany
- Prior art keywords
- optical input
- output multiplexer
- multiplexer
- output
- optical
- 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
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or 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
- 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
- H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
- H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
-
- 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
- H04J14/0221—Power control, e.g. to keep the total optical power constant
-
- 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
- H01S3/05—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
- H01S3/06758—Tandem 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094061—Shared pump, i.e. pump light of a single pump source is used to pump plural gain media in parallel
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31107197 | 1997-10-28 | ||
JP31107197A JP3233271B2 (ja) | 1997-10-28 | 1997-10-28 | 波長多重光中継装置 |
JP31107097 | 1997-10-28 | ||
JP31107097A JP3219034B2 (ja) | 1997-10-28 | 1997-10-28 | 光分岐挿入装置および光ゲートスイッチ |
JP29842797 | 1997-10-30 | ||
JP29842797A JP3165090B2 (ja) | 1997-10-30 | 1997-10-30 | 光スイッチ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69836670D1 true DE69836670D1 (de) | 2007-02-01 |
DE69836670T2 DE69836670T2 (de) | 2007-10-04 |
Family
ID=27338222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69836670T Expired - Lifetime DE69836670T2 (de) | 1997-10-28 | 1998-10-28 | Optischer Ein-/Ausfügemultiplexer |
Country Status (3)
Country | Link |
---|---|
US (3) | US6424440B1 (de) |
EP (1) | EP0914015B1 (de) |
DE (1) | DE69836670T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2352105B (en) * | 1999-07-15 | 2001-09-26 | Marconi Comm Ltd | Optical system |
EP1157584A1 (de) * | 1999-08-23 | 2001-11-28 | Optical Coating Laboratory, Inc. | Hybride optische add/drop-multiplex anordnungen |
JP2001223641A (ja) * | 2000-02-14 | 2001-08-17 | Sumitomo Electric Ind Ltd | 光伝送システム及び光伝送方法 |
GB2360654A (en) * | 2000-03-25 | 2001-09-26 | Marconi Comm Ltd | Power controlling network element for adding new channels in a controlled manner |
JP2002250833A (ja) * | 2000-12-22 | 2002-09-06 | Furukawa Electric Co Ltd:The | 光ファイバおよび該光ファイバを用いた分散補償器ならびに光伝送システム |
US6556340B1 (en) * | 2001-04-06 | 2003-04-29 | Onetta, Inc. | Optical amplifiers and upgrade modules |
GB2381683A (en) * | 2001-10-30 | 2003-05-07 | Kamelian Ltd | A re-configurable wavelength add-drop multiplexer |
KR100442658B1 (ko) * | 2002-08-14 | 2004-08-02 | 삼성전자주식회사 | 파장분할다중 광통신 시스템의 광원 발생장치 |
US8909038B2 (en) * | 2003-01-07 | 2014-12-09 | Alcatel Lucent | Method and apparatus providing transient control in optical add-drop nodes |
US20060204169A1 (en) * | 2005-03-09 | 2006-09-14 | New Span Opto-Technology, Inc. | All-optical controllable photonic switch |
US8305877B2 (en) * | 2009-09-10 | 2012-11-06 | Tyco Electronics Subsea Communications Llc | System and method for distributed fault sensing and recovery |
GB201008003D0 (en) * | 2010-05-13 | 2010-06-30 | Oclaro Technology Plc | Optical Amplifiers |
JP5614252B2 (ja) * | 2010-11-12 | 2014-10-29 | 富士通株式会社 | 光切替装置および通信システム |
TWI416895B (zh) * | 2010-12-07 | 2013-11-21 | Ind Tech Res Inst | 點對點光網路訊號傳送方法與其系統 |
JP5614327B2 (ja) * | 2011-02-24 | 2014-10-29 | 日本電気株式会社 | 光増幅器制御装置 |
CN104038287B (zh) * | 2014-04-09 | 2017-11-03 | 国电南瑞科技股份有限公司 | 一种就地取能的超长距opgw光纤通信系统及其实现方法 |
CN111669225B (zh) * | 2015-09-29 | 2023-04-14 | 日本电气株式会社 | 光中继器和光中继器的控制方法 |
US10200144B1 (en) * | 2017-09-15 | 2019-02-05 | Nokia Of America Corporation | Communication system for connecting network hosts |
US11522629B2 (en) * | 2021-01-21 | 2022-12-06 | Ciena Corporation | Channelized optical amplifiers and amplifier arrays |
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US4317614A (en) * | 1980-02-20 | 1982-03-02 | General Dynamics, Pomona Division | Fiber optic bus manifold |
JPS59135441A (ja) | 1983-12-14 | 1984-08-03 | Hitachi Ltd | 光導波路スイツチ |
JPH022768A (ja) | 1988-06-16 | 1990-01-08 | Fujitsu Ltd | 光通信方法 |
JPH02291531A (ja) | 1989-04-28 | 1990-12-03 | Nippon Telegr & Teleph Corp <Ntt> | 光伝送路切替器 |
JP2714692B2 (ja) | 1989-06-05 | 1998-02-16 | 日本電信電話株式会社 | 波長多重信号光分離切替装置 |
US5121450A (en) * | 1989-12-22 | 1992-06-09 | Gte Laboratories Incorporated | Fiber optical Y-junction |
JP2781633B2 (ja) | 1990-01-10 | 1998-07-30 | 株式会社日立製作所 | セル信号処理回路及びそれを用いた光交換機 |
JP2736277B2 (ja) | 1990-02-13 | 1998-04-02 | 日本電信電話株式会社 | 光スイッチ |
JPH03239231A (ja) * | 1990-02-16 | 1991-10-24 | Sumitomo Electric Ind Ltd | 光スイッチ |
JPH049929A (ja) | 1990-04-27 | 1992-01-14 | Toshiba Corp | 光スイッチ |
JPH04124935A (ja) * | 1990-09-17 | 1992-04-24 | Canon Inc | 光通信ネットワーク及びそこで用いられる光ノード |
GB2251957B (en) * | 1990-11-29 | 1993-12-15 | Toshiba Kk | Optical coupler |
JP3129455B2 (ja) | 1991-01-29 | 2001-01-29 | 富士通株式会社 | 光増幅器 |
JPH04260381A (ja) | 1991-02-15 | 1992-09-16 | Fujitsu Ltd | 光増幅装置 |
US5181134A (en) * | 1991-03-15 | 1993-01-19 | At&T Bell Laboratories | Photonic cross-connect switch |
JPH04362834A (ja) | 1991-06-10 | 1992-12-15 | Nec Corp | Cpfsk変調回路およびcpfsk復調回路 |
JPH0529686A (ja) | 1991-07-19 | 1993-02-05 | Hitachi Ltd | 光増幅装置 |
JPH0541697A (ja) | 1991-08-07 | 1993-02-19 | Nec Corp | 多重化方式 |
JPH0651252A (ja) | 1992-07-28 | 1994-02-25 | Nec Corp | 光変調方法および光強度変調器 |
US5241414A (en) * | 1992-08-21 | 1993-08-31 | At&T Bell Laboratories | Fault tolerant optical amplifier arrangement |
IL106766A (en) * | 1992-08-28 | 1995-12-31 | Hughes Aircraft Co | Two-way sebo-optical amplifier for missile guidance data channel repeater |
JPH06324368A (ja) | 1993-05-11 | 1994-11-25 | Nippon Telegr & Teleph Corp <Ntt> | 光ファイバ増幅器 |
US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
US5473299A (en) * | 1993-12-13 | 1995-12-05 | Matsushita Electric Industrial Co., Ltd. | Horizontal linearity correction coil |
JP3250206B2 (ja) | 1994-02-14 | 2002-01-28 | 住友電気工業株式会社 | 光ファイバ増幅器 |
JP3239590B2 (ja) | 1994-03-04 | 2001-12-17 | 日立電線株式会社 | 2波長帯増幅器及びそれを用いた波長多重伝送装置 |
US5473599A (en) | 1994-04-22 | 1995-12-05 | Cisco Systems, Incorporated | Standby router protocol |
US5598294A (en) * | 1994-08-18 | 1997-01-28 | Matsushita Electric Industrial Co., Ltd. | Optical fiber amplifier and optical fiber communication system |
FR2724077B1 (fr) * | 1994-08-29 | 1996-09-20 | Alcatel Nv | Procede et ensemble pour orienter et amplifier des signaux optiques guides |
US5633741A (en) * | 1995-02-23 | 1997-05-27 | Lucent Technologies Inc. | Multichannel optical fiber communications |
US5680235A (en) * | 1995-04-13 | 1997-10-21 | Telefonaktiebolaget Lm Ericsson | Optical multichannel system |
WO1997002633A1 (fr) * | 1995-07-05 | 1997-01-23 | Hitachi, Ltd. | Procede de commande d'un dispositif d'amplification de lumiere, amplificateur de lumiere, et systeme faisant appel a ces derniers |
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NL1001209C2 (nl) * | 1995-09-15 | 1997-03-20 | Nederland Ptt | Optisch netwerk. |
JPH0996785A (ja) | 1995-10-02 | 1997-04-08 | Nippon Telegr & Teleph Corp <Ntt> | 半導体光変調器および光変調回路 |
JPH0998135A (ja) | 1995-10-03 | 1997-04-08 | Matsushita Electric Ind Co Ltd | 光送受信装置及び光送受信システム |
JP3730299B2 (ja) * | 1996-02-07 | 2005-12-21 | 富士通株式会社 | 光等化増幅器および光等化増幅方法 |
US5751456A (en) * | 1996-02-20 | 1998-05-12 | Lucent Technologies Inc. | Multiwavelength add/drop multiplexer |
GB9604336D0 (en) * | 1996-02-29 | 1996-05-01 | Stc Submarine Systems Ltd | Amplifier |
JP3556379B2 (ja) * | 1996-03-07 | 2004-08-18 | 富士通株式会社 | 光伝送システム |
JPH09258148A (ja) | 1996-03-21 | 1997-10-03 | Oki Electric Ind Co Ltd | 光変調器 |
FR2747483B1 (fr) * | 1996-04-15 | 1998-05-15 | Alsthom Cge Alcatel | Amplificateur optique a gain variable et a bande passante constante, et systeme de compensation automatique des variations des pertes dans une liaison optique, comportant un tel amplificateur |
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US6208443B1 (en) * | 1996-10-03 | 2001-03-27 | International Business Machines Corporation | Dynamic optical add-drop multiplexers and wavelength-routing networks with improved survivability and minimized spectral filtering |
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JP3233204B2 (ja) | 1997-08-05 | 2001-11-26 | 日本電気株式会社 | 波長光adm装置 |
US6122096A (en) * | 1997-08-29 | 2000-09-19 | Lucent Technologies Inc. | Expandable wavelength-selective and loss-less optical add/drop system |
US6122095A (en) * | 1997-08-29 | 2000-09-19 | Lucent Technologies Inc. | Wavelength-selective and loss-less optical add/drop multiplexer |
JP3149916B2 (ja) | 1997-09-22 | 2001-03-26 | 日本電気株式会社 | 波長多重光中継増幅装置 |
JPH11146030A (ja) | 1997-11-07 | 1999-05-28 | Nec Corp | 無線会議システムの仮親決定方式 |
JP3116883B2 (ja) | 1997-11-07 | 2000-12-11 | 日本電気株式会社 | Qam信号の受信装置 |
JPH11155700A (ja) | 1997-11-28 | 1999-06-15 | Kintaroo:Kk | 組み換え可能なベビーベッド |
JPH11198087A (ja) | 1998-01-13 | 1999-07-27 | Sony Corp | 対象物供給装置 |
US6556547B1 (en) | 1998-12-15 | 2003-04-29 | Nortel Networks Limited | Method and apparatus providing for router redundancy of non internet protocols using the virtual router redundancy protocol |
US6252862B1 (en) | 1999-05-20 | 2001-06-26 | Motorola, Inc. | Method and apparatus for routing packet data in a communications system |
-
1998
- 1998-10-28 DE DE69836670T patent/DE69836670T2/de not_active Expired - Lifetime
- 1998-10-28 EP EP98120406A patent/EP0914015B1/de not_active Expired - Lifetime
- 1998-10-28 US US09/181,620 patent/US6424440B1/en not_active Expired - Lifetime
-
2001
- 2001-08-28 US US09/939,665 patent/US6466344B2/en not_active Expired - Fee Related
-
2002
- 2002-08-27 US US10/227,892 patent/US7197246B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0914015A2 (de) | 1999-05-06 |
EP0914015B1 (de) | 2006-12-20 |
EP0914015A3 (de) | 2003-03-12 |
US7197246B2 (en) | 2007-03-27 |
US20020003644A1 (en) | 2002-01-10 |
US6424440B1 (en) | 2002-07-23 |
US20030048507A1 (en) | 2003-03-13 |
US6466344B2 (en) | 2002-10-15 |
DE69836670T2 (de) | 2007-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |