ATE322776T1 - Übertragungssteuerung und -verfahren zum kanalausgleich in einem wellenlängen-multiplex- system - Google Patents
Übertragungssteuerung und -verfahren zum kanalausgleich in einem wellenlängen-multiplex- systemInfo
- Publication number
- ATE322776T1 ATE322776T1 AT03293041T AT03293041T ATE322776T1 AT E322776 T1 ATE322776 T1 AT E322776T1 AT 03293041 T AT03293041 T AT 03293041T AT 03293041 T AT03293041 T AT 03293041T AT E322776 T1 ATE322776 T1 AT E322776T1
- Authority
- AT
- Austria
- Prior art keywords
- channels
- power level
- power
- loading
- transmission control
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000005540 biological transmission Effects 0.000 title 1
- 230000003287 optical effect Effects 0.000 abstract 3
- 230000000087 stabilizing effect Effects 0.000 abstract 1
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
- H04B10/293—Signal power control
- H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
- H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
-
- 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
- H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03293041A EP1538766B1 (de) | 2003-12-04 | 2003-12-04 | Übertragungssteuerung und -Verfahren zum Kanalausgleich in einem Wellenlängen-Multiplex-System |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE322776T1 true ATE322776T1 (de) | 2006-04-15 |
Family
ID=34443120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03293041T ATE322776T1 (de) | 2003-12-04 | 2003-12-04 | Übertragungssteuerung und -verfahren zum kanalausgleich in einem wellenlängen-multiplex- system |
Country Status (4)
Country | Link |
---|---|
US (1) | US7123834B2 (de) |
EP (1) | EP1538766B1 (de) |
AT (1) | ATE322776T1 (de) |
DE (1) | DE60304486T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2436408A (en) * | 2006-03-21 | 2007-09-26 | Azea Networks Ltd | Depolarising a WDM signal by passing it through a differential group delay element |
US7869379B2 (en) * | 2007-05-18 | 2011-01-11 | International Business Machines Corporation | Method for monitoring channel eye characteristics in a high-speed SerDes data link |
US7715323B2 (en) * | 2007-05-18 | 2010-05-11 | International Business Machines Corporation | Method for monitoring BER in an infiniband environment |
US20090214204A1 (en) * | 2008-02-21 | 2009-08-27 | Thomas Bengtsson | Optical network monitoring using amplifier modeling |
US8055129B2 (en) * | 2008-05-07 | 2011-11-08 | Alcatel Lucent | Alien wavelength channel balancing and line amplifier optimization |
US9059799B2 (en) | 2011-04-21 | 2015-06-16 | Futurewei Technologies, Inc. | Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading |
JP5899849B2 (ja) * | 2011-11-16 | 2016-04-06 | 富士通株式会社 | 光伝送システム、光伝送装置、信号調整プログラム及び信号調整方法 |
US9197324B1 (en) * | 2012-04-09 | 2015-11-24 | Inphi Corporation | Method and system for transmitter optimization of an optical PAM serdes based on receiver feedback |
US9276694B2 (en) * | 2012-10-08 | 2016-03-01 | Tyco Electronics Subsea Communications Llc | Fault recovery in branched optical networks |
US9281655B2 (en) * | 2013-05-22 | 2016-03-08 | Lumentum Operations Llc | Transmission link with multiple order Raman pumps |
US9344191B2 (en) | 2013-10-31 | 2016-05-17 | Ciena Corporation | Systems and methods for capacity changes in DWDM networks including flexible spectrum systems |
US9485017B2 (en) * | 2014-05-14 | 2016-11-01 | Deutsche Telekom Ag | Monitoring of optical performance in an optical data transmission network |
US9853762B2 (en) * | 2014-12-04 | 2017-12-26 | Ciena Corporation | Automated provisioning and control of shared optical spectrum in submarine optical networks |
US9929803B1 (en) * | 2016-09-28 | 2018-03-27 | Altera Corporation | Communication link control using communication interface and programmable logic circuitry |
US11444717B2 (en) | 2020-11-10 | 2022-09-13 | Eci Telecom Ltd. | Multi-band optical network interface |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225922A (en) * | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
US6040933A (en) * | 1997-12-19 | 2000-03-21 | Nortel Networks Corporation | Method and apparatus for channel equalization in wavelength division multiplexed systems |
US6275313B1 (en) * | 1998-02-03 | 2001-08-14 | Lucent Technologies Inc. | Raman gain tilt equalization in optical fiber communication systems |
JP3574578B2 (ja) * | 1998-12-18 | 2004-10-06 | 富士通株式会社 | 波長分割多重光通信システムにおける伝送特性均一化装置及び方法 |
US6563614B1 (en) * | 1999-05-21 | 2003-05-13 | Corvis Corporation | Optical transmission system and amplifier control apparatuses and methods |
AU2001253779A1 (en) * | 2000-04-24 | 2001-11-07 | Lucent Technologies Inc. | Gain equalization in dwdm networks |
US6701089B1 (en) * | 2000-06-30 | 2004-03-02 | Nortel Networks Limited | Over-equalization for multi-span wavelength division multiplexed fiber optic communication systems |
US6700696B2 (en) * | 2000-08-09 | 2004-03-02 | Jds Uniphase Corporation | High order fiber Raman amplifiers |
DE10047342A1 (de) * | 2000-09-25 | 2002-05-08 | Siemens Ag | Verfahren zum Ausgleich von Kanalqualitätsunterschieden in einem WDM-System |
GB0121492D0 (en) * | 2001-09-05 | 2001-10-24 | Cit Alcatel | A multi-channel optical loading channel transmitter |
-
2003
- 2003-12-04 AT AT03293041T patent/ATE322776T1/de not_active IP Right Cessation
- 2003-12-04 DE DE60304486T patent/DE60304486T2/de not_active Expired - Fee Related
- 2003-12-04 EP EP03293041A patent/EP1538766B1/de not_active Expired - Lifetime
-
2004
- 2004-12-02 US US11/001,066 patent/US7123834B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7123834B2 (en) | 2006-10-17 |
EP1538766A1 (de) | 2005-06-08 |
US20050123295A1 (en) | 2005-06-09 |
DE60304486T2 (de) | 2006-09-07 |
EP1538766B1 (de) | 2006-04-05 |
DE60304486D1 (de) | 2006-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7680419B2 (en) | Repeater and repeating method | |
ATE322776T1 (de) | Übertragungssteuerung und -verfahren zum kanalausgleich in einem wellenlängen-multiplex- system | |
US7515829B2 (en) | Wavelength division multiplexing optical transmission system | |
EP0924888A3 (de) | Verfahren und Vorrichtung zum Kanalausgleich in Wellenlängen-Multiplex-Systemen | |
JP5125080B2 (ja) | 光強度測定装置および光強度測定方法 | |
WO2002019572A1 (fr) | Procede de demarrage d'un systeme de communication optique, procede d'agrandissement/de reduction de canaux, et support enregistre lisible par un ordinateur | |
JP5648436B2 (ja) | プリエンファシス制御方法 | |
WO2006071779A3 (en) | Method and apparatus for raman crosstalk reduction via idle data pattern control | |
US7486895B2 (en) | Effective control algorithm for optical polarization mode dispersion compensators | |
KR102437736B1 (ko) | 파장 잠금장치 및 방법 | |
US7020092B1 (en) | Method for channel adjustment of transmission signal power in a wavelength division multiplexing transmission system | |
US6865015B2 (en) | Method and transmission system for optimization of the transmission characteristics of an optical wavelength division multiplex system | |
ATE515847T1 (de) | Wellenlängenmultiplex (wdm) optischer demultiplexer | |
CN103227681B (zh) | 波分复用光传输系统通道动态光功率调整方法 | |
CA2433486C (en) | Using gain tilt for local compensation of unwanted power gradients | |
CA2438846A1 (en) | Method and apparatus for detection and compensation of pmd parameters in signals transmitted over optical fiber links and system of communication therewith | |
AU2005215847A1 (en) | Preemphasis of an optical wavelength multiplex signal | |
JP6337571B2 (ja) | 光増幅装置 | |
JP3769172B2 (ja) | 光波長多重伝送システム | |
US7239807B2 (en) | Variable clamp equalization method and apparatus | |
JP6422799B2 (ja) | 光伝送システム、光送信装置及びその制御方法 | |
US20040146302A1 (en) | Channel power control method in WDM system | |
WO2003029861A1 (en) | Improving optical signal to noise ratio system | |
JP2006246204A (ja) | 波長多重光増幅中継システム | |
US8831430B2 (en) | Optical signal correction apparatus and optical signal correction method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |