DE69527320D1 - Optischer Regenerator und optisches Übertragungssystem - Google Patents
Optischer Regenerator und optisches ÜbertragungssystemInfo
- Publication number
- DE69527320D1 DE69527320D1 DE69527320T DE69527320T DE69527320D1 DE 69527320 D1 DE69527320 D1 DE 69527320D1 DE 69527320 T DE69527320 T DE 69527320T DE 69527320 T DE69527320 T DE 69527320T DE 69527320 D1 DE69527320 D1 DE 69527320D1
- Authority
- DE
- Germany
- Prior art keywords
- optical
- transmission system
- regenerator
- optical transmission
- optical regenerator
- 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 - Fee Related
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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/299—Signal waveform processing, e.g. reshaping or retiming
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2537—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering
-
- 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
- H04B10/29—Repeaters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP01330794A JP3434869B2 (ja) | 1994-02-07 | 1994-02-07 | 光再生中継器および光伝送装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69527320D1 true DE69527320D1 (de) | 2002-08-14 |
DE69527320T2 DE69527320T2 (de) | 2003-04-03 |
Family
ID=11829530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69527320T Expired - Fee Related DE69527320T2 (de) | 1994-02-07 | 1995-02-06 | Optischer Regenerator und optisches Übertragungssystem |
Country Status (5)
Country | Link |
---|---|
US (2) | US5576876A (de) |
EP (1) | EP0666658B1 (de) |
JP (1) | JP3434869B2 (de) |
CA (1) | CA2141351C (de) |
DE (1) | DE69527320T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2738431B1 (fr) * | 1995-09-01 | 1997-11-21 | Thomine Jean Baptiste | Systeme pour la transmission, notamment longue distance, d'impulsions rz par une ligne optique amplifiee |
DE19649085A1 (de) * | 1996-11-27 | 1998-05-28 | Alsthom Cge Alcatel | Sende-/Empfangseinrichtung und Verfahren zum Übertragen von breitbandigen Signalen sowie Sende-/Empfangseinrichtung zum Empfang von breitbandigen Signalen |
JP3443534B2 (ja) * | 1998-12-17 | 2003-09-02 | 日本電信電話株式会社 | 原子周波数標準レーザパルス発振器 |
JP2000299525A (ja) * | 1999-04-13 | 2000-10-24 | Sumitomo Electric Ind Ltd | 光送信器および光通信システム |
JP3707955B2 (ja) * | 1999-05-10 | 2005-10-19 | 平河ヒューテック株式会社 | Wdm光伝送システム |
US6476953B1 (en) | 1999-08-18 | 2002-11-05 | Fujitsu Network Communications, Inc. | Wavelength preserving regenerator for DWDM transmission systems |
US7120359B2 (en) | 2000-05-22 | 2006-10-10 | Opvista Incorporated | Broadcast and select all optical network |
US7499647B2 (en) | 2000-05-22 | 2009-03-03 | Opvista Incorporated | Fully protected broadcast and select all optical network |
US7024112B2 (en) * | 2000-09-11 | 2006-04-04 | Opvista Incorporated | In-band wavelength conversion wavelength buffering and multi-protocol lambda switching |
EP1389830A1 (de) * | 2002-08-16 | 2004-02-18 | Thomson Licensing S.A. | Vorrichtung zum demodulieren von IR-Koden, und Verfahren dazu |
EP1396931A1 (de) * | 2002-08-16 | 2004-03-10 | Thomson Licensing S.A. | Modulator und Sender für IR Kodes , und verfahren dazu |
US7171116B2 (en) * | 2002-09-17 | 2007-01-30 | Lucent Technologies Inc. | Provisionable keep-alive signal for physical-layer protection of an optical network |
US7146110B2 (en) | 2003-02-11 | 2006-12-05 | Optium Corporation | Optical transmitter with SBS suppression |
WO2006002080A2 (en) | 2004-06-15 | 2006-01-05 | Opvista Incorporated | Optical communication using duobinary modulation |
WO2007044939A2 (en) | 2005-10-13 | 2007-04-19 | Opvista Incorporated | Optical ring networks using circulating optical probe in protection switching with automatic reversion |
GB0618021D0 (en) * | 2006-09-11 | 2006-10-18 | Qinetiq Ltd | Optical clock |
CN101636942B (zh) * | 2007-03-27 | 2012-10-03 | 富士通株式会社 | 光通信基站、光信号转换装置以及光信号转换方法 |
US7773883B1 (en) | 2007-05-04 | 2010-08-10 | Vello Systems, Inc. | Single-fiber optical ring networks based on optical double sideband modulation |
WO2009012409A2 (en) | 2007-07-17 | 2009-01-22 | Opvista Incorporated | Optical ring networks having node-to-node optical communication channels for carrying data traffic |
CN101364843B (zh) * | 2007-08-10 | 2012-05-23 | 华为技术有限公司 | 在无源光网络中实现拉远传输数据的方法及装置 |
CN101364844B (zh) * | 2007-08-10 | 2011-03-30 | 华为技术有限公司 | 在无源光网络中实现拉远传输数据的装置 |
WO2009112811A1 (en) * | 2008-03-10 | 2009-09-17 | Qinetiq Limited | Optical clock |
CN101729154B (zh) | 2008-11-03 | 2012-04-18 | 华为技术有限公司 | 实现lr-pon的方法、装置及系统 |
US9054832B2 (en) | 2009-12-08 | 2015-06-09 | Treq Labs, Inc. | Management, monitoring and performance optimization of optical networks |
US8705741B2 (en) | 2010-02-22 | 2014-04-22 | Vello Systems, Inc. | Subchannel security at the optical layer |
US8542999B2 (en) | 2011-02-01 | 2013-09-24 | Vello Systems, Inc. | Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network |
EP4336771A3 (de) | 2016-08-30 | 2024-06-12 | Finisar Corporation | Bidirektionaler sender-empfänger mit zeitsynchronisation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57194653A (en) * | 1981-05-27 | 1982-11-30 | Nec Corp | Reproducing repeater |
GB2151884B (en) * | 1983-12-16 | 1987-05-13 | Standard Telephones Cables Ltd | Timing extraction |
JP2661438B2 (ja) * | 1991-09-24 | 1997-10-08 | 日本電気株式会社 | 光再生中継器 |
EP0539177B1 (de) * | 1991-10-21 | 2002-03-13 | Nec Corporation | Optisches Übertragungssystem |
US5369520A (en) * | 1992-05-22 | 1994-11-29 | At&T Corp. | Optical regeneration circuit |
JPH06209293A (ja) * | 1992-07-31 | 1994-07-26 | American Teleph & Telegr Co <Att> | 光伝送システムにおける変調装置 |
-
1994
- 1994-02-07 JP JP01330794A patent/JP3434869B2/ja not_active Expired - Fee Related
-
1995
- 1995-01-30 CA CA002141351A patent/CA2141351C/en not_active Expired - Fee Related
- 1995-02-06 DE DE69527320T patent/DE69527320T2/de not_active Expired - Fee Related
- 1995-02-06 EP EP95101587A patent/EP0666658B1/de not_active Expired - Lifetime
- 1995-02-07 US US08/384,838 patent/US5576876A/en not_active Expired - Fee Related
-
1996
- 1996-11-06 US US08/744,762 patent/US5838475A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07221704A (ja) | 1995-08-18 |
DE69527320T2 (de) | 2003-04-03 |
CA2141351C (en) | 1999-07-13 |
CA2141351A1 (en) | 1995-08-08 |
EP0666658B1 (de) | 2002-07-10 |
EP0666658A1 (de) | 1995-08-09 |
US5838475A (en) | 1998-11-17 |
JP3434869B2 (ja) | 2003-08-11 |
US5576876A (en) | 1996-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |