CN100364252C - 放大光环传输系统 - Google Patents
放大光环传输系统 Download PDFInfo
- Publication number
- CN100364252C CN100364252C CNB2003801101438A CN200380110143A CN100364252C CN 100364252 C CN100364252 C CN 100364252C CN B2003801101438 A CNB2003801101438 A CN B2003801101438A CN 200380110143 A CN200380110143 A CN 200380110143A CN 100364252 C CN100364252 C CN 100364252C
- Authority
- CN
- China
- Prior art keywords
- gain
- ring
- peak
- amplifier
- ase
- 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
Images
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
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000050A ITMI20030050A1 (it) | 2003-01-15 | 2003-01-15 | Sistema di trasmissione ad anello amplificato ottico |
ITMI2003A000050 | 2003-01-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1759548A CN1759548A (zh) | 2006-04-12 |
CN100364252C true CN100364252C (zh) | 2008-01-23 |
Family
ID=32697280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003801101438A Expired - Fee Related CN100364252C (zh) | 2003-01-15 | 2003-12-23 | 放大光环传输系统 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7583432B2 (zh) |
EP (1) | EP1584147B1 (zh) |
CN (1) | CN100364252C (zh) |
AU (1) | AU2003298490A1 (zh) |
ES (1) | ES2394965T3 (zh) |
IT (1) | ITMI20030050A1 (zh) |
WO (1) | WO2004064280A2 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7526201B2 (en) * | 2004-06-25 | 2009-04-28 | Tyco Telecommunications (Us) Inc. | Optical fiber transmission system with noise loading |
US8204374B2 (en) * | 2004-12-10 | 2012-06-19 | Ciena Corporation | Reconfigurable multichannel (WDM) optical ring network with optical shared protection |
US7668460B2 (en) * | 2005-06-14 | 2010-02-23 | Alcatel-Lucent Canada Inc. | Method and system for avoiding amplified spontaneous emission loops in an optical network |
JP4888152B2 (ja) * | 2007-02-21 | 2012-02-29 | 日本電気株式会社 | 伝送システム及びシステム起動方法 |
ATE504988T1 (de) * | 2007-04-13 | 2011-04-15 | Ericsson Telefon Ab L M | Optischer signalverstärker, verfahren zur optischen verstärkung und optisches netz |
EP2490353B1 (en) * | 2009-10-16 | 2019-08-07 | NEC Corporation | Light branching apparatus, optical communication system and light multiplexing method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6175436B1 (en) * | 1996-07-30 | 2001-01-16 | Tellium, Inc. | Automatic feedback gain control for multiple channels in a doped optical fiber amplifier |
CN1316671A (zh) * | 2000-03-24 | 2001-10-10 | 奥普雷尔技术公司 | 带有源光纤环形反射器的光放大器 |
WO2002033517A2 (en) * | 2000-09-27 | 2002-04-25 | Centerpoint Broadband Technologies, Inc. | Closed loop amplified rings including lossy spans |
US6421168B1 (en) * | 2001-07-31 | 2002-07-16 | Seneca Networks | Reduction of ASE in WDM optical ring networks |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5088095A (en) * | 1991-01-31 | 1992-02-11 | At&T Bell Laboratories | Gain stabilized fiber amplifier |
FR2764141B1 (fr) | 1997-05-29 | 1999-07-23 | Alsthom Cge Alcatel | Systeme de transmission optique a compensation dynamique de la puissance transmise |
US6115154A (en) * | 1998-09-18 | 2000-09-05 | Telcordia Technologies, Inc. | Method and system for detecting loss of signal in wavelength division multiplexed systems |
CN1264845A (zh) * | 1999-01-23 | 2000-08-30 | 大宇通信株式会社 | 用来使用光纤产生l波段光源的装置和光放大器 |
US6937823B2 (en) * | 2001-03-05 | 2005-08-30 | Lucent Technologies Inc. | Method for preventing lasing in an optical ring network |
US6388802B1 (en) * | 2001-07-31 | 2002-05-14 | Seneca Networks | Reduction of ASE in WDM optical ring networks |
ITMI20032365A1 (it) * | 2003-12-03 | 2005-06-04 | Marconi Comm Ondata Gmbh | Reti ottiche. |
-
2003
- 2003-01-15 IT IT000050A patent/ITMI20030050A1/it unknown
- 2003-12-23 CN CNB2003801101438A patent/CN100364252C/zh not_active Expired - Fee Related
- 2003-12-23 EP EP03796235A patent/EP1584147B1/en not_active Expired - Lifetime
- 2003-12-23 ES ES03796235T patent/ES2394965T3/es not_active Expired - Lifetime
- 2003-12-23 WO PCT/IB2003/006413 patent/WO2004064280A2/en not_active Application Discontinuation
- 2003-12-23 AU AU2003298490A patent/AU2003298490A1/en not_active Abandoned
- 2003-12-23 US US10/542,296 patent/US7583432B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6175436B1 (en) * | 1996-07-30 | 2001-01-16 | Tellium, Inc. | Automatic feedback gain control for multiple channels in a doped optical fiber amplifier |
CN1316671A (zh) * | 2000-03-24 | 2001-10-10 | 奥普雷尔技术公司 | 带有源光纤环形反射器的光放大器 |
WO2002033517A2 (en) * | 2000-09-27 | 2002-04-25 | Centerpoint Broadband Technologies, Inc. | Closed loop amplified rings including lossy spans |
US6421168B1 (en) * | 2001-07-31 | 2002-07-16 | Seneca Networks | Reduction of ASE in WDM optical ring networks |
Also Published As
Publication number | Publication date |
---|---|
EP1584147B1 (en) | 2012-09-12 |
US7583432B2 (en) | 2009-09-01 |
US20060227412A1 (en) | 2006-10-12 |
AU2003298490A1 (en) | 2004-08-10 |
AU2003298490A8 (en) | 2004-08-10 |
WO2004064280A2 (en) | 2004-07-29 |
EP1584147A2 (en) | 2005-10-12 |
ITMI20030050A1 (it) | 2004-07-16 |
ES2394965T3 (es) | 2013-02-07 |
WO2004064280A3 (en) | 2004-12-29 |
CN1759548A (zh) | 2006-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: L.M. ERICSSON CO., LTD. Free format text: FORMER OWNER: MARCONI COMMUNICATIONS LTD. Effective date: 20070309 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070309 Address after: Stockholm Applicant after: Erisson Address before: Italy Genoa Applicant before: Marconi Communications Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20151223 |
|
EXPY | Termination of patent right or utility model |