IT1320596B1 - Sistema di trasmissione ottico. - Google Patents
Sistema di trasmissione ottico.Info
- Publication number
- IT1320596B1 IT1320596B1 IT2000TO000808A ITTO20000808A IT1320596B1 IT 1320596 B1 IT1320596 B1 IT 1320596B1 IT 2000TO000808 A IT2000TO000808 A IT 2000TO000808A IT TO20000808 A ITTO20000808 A IT TO20000808A IT 1320596 B1 IT1320596 B1 IT 1320596B1
- Authority
- IT
- Italy
- Prior art keywords
- receiving end
- errors
- launch power
- transmission system
- optical transmission
- Prior art date
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
- H04B10/293—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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000TO000808A IT1320596B1 (it) | 2000-08-18 | 2000-08-18 | Sistema di trasmissione ottico. |
AT01306447T ATE364264T1 (de) | 2000-08-18 | 2001-07-27 | Verfahren zur bestimmung der eingangsleistung eines optischen wellenlängenmultiplexiertes übertragungssystems |
EP01306447A EP1180861B1 (en) | 2000-08-18 | 2001-07-27 | Method of determining the launch power of an optical wavelength division multiplexed transmission system |
ZA200106216A ZA200106216B (en) | 2000-08-18 | 2001-07-27 | Optical transmission system. |
DE60128756T DE60128756T2 (de) | 2000-08-18 | 2001-07-27 | Verfahren zur Bestimmung der Eingangsleistung eines optischen Wellenlängenmultiplexierten Übertragungssystems |
US09/928,252 US6657779B2 (en) | 2000-08-18 | 2001-08-10 | Optical transmission system |
JP2001247105A JP2002141868A (ja) | 2000-08-18 | 2001-08-16 | 光学伝送システム |
NO20013999A NO20013999L (no) | 2000-08-18 | 2001-08-16 | System for optisk overföring |
AU61876/01A AU6187601A (en) | 2000-08-18 | 2001-08-17 | Optical transmission system |
RU2001123251/09A RU2001123251A (ru) | 2000-08-18 | 2001-08-17 | Оптическая система передачи |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000TO000808A IT1320596B1 (it) | 2000-08-18 | 2000-08-18 | Sistema di trasmissione ottico. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO20000808A0 ITTO20000808A0 (it) | 2000-08-18 |
ITTO20000808A1 ITTO20000808A1 (it) | 2002-02-18 |
IT1320596B1 true IT1320596B1 (it) | 2003-12-10 |
Family
ID=11458004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2000TO000808A IT1320596B1 (it) | 2000-08-18 | 2000-08-18 | Sistema di trasmissione ottico. |
Country Status (10)
Country | Link |
---|---|
US (1) | US6657779B2 (it) |
EP (1) | EP1180861B1 (it) |
JP (1) | JP2002141868A (it) |
AT (1) | ATE364264T1 (it) |
AU (1) | AU6187601A (it) |
DE (1) | DE60128756T2 (it) |
IT (1) | IT1320596B1 (it) |
NO (1) | NO20013999L (it) |
RU (1) | RU2001123251A (it) |
ZA (1) | ZA200106216B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002091027A2 (en) * | 2001-05-09 | 2002-11-14 | Ciena Corporation | Method and system for controlling amplifier power in an optical communications network having add/drop capability |
US6600596B2 (en) | 2001-05-09 | 2003-07-29 | Ciena Corporation | Method and system for controlling amplifier power in an optical communications network having add/drop capability |
JP2003124881A (ja) * | 2001-10-15 | 2003-04-25 | Fujitsu Ltd | 光伝送装置および光伝送システム |
GB0129716D0 (en) * | 2001-12-12 | 2002-01-30 | Marconi Comm Ltd | Signal transmission apparatus and method of signal transmission |
JP3971935B2 (ja) * | 2002-02-12 | 2007-09-05 | 株式会社日立コミュニケーションテクノロジー | 四光波混合による伝送品質劣化を低減可能な光伝送装置および光伝送システム |
JP3934513B2 (ja) * | 2002-08-29 | 2007-06-20 | 富士通株式会社 | 非線形劣化を考慮したプリエンファシス制御方法 |
US7379647B2 (en) * | 2005-09-29 | 2008-05-27 | Lucent Technologies Inc. | Configuring optical launch powers in optical fiber transmission lines |
JP5267899B2 (ja) * | 2007-03-28 | 2013-08-21 | 日本電気株式会社 | 波長多重光伝送システム並びに波長多重光伝送方法 |
JP5396829B2 (ja) * | 2008-11-21 | 2014-01-22 | 富士通株式会社 | 分布ラマン増幅器および光通信システム |
JP6666645B2 (ja) | 2014-05-16 | 2020-03-18 | 富士通株式会社 | 信号光品質測定装置及び方法 |
EP3376687A1 (en) * | 2017-03-17 | 2018-09-19 | Xieon Networks S.à r.l. | Determination of channel osnr and channel osnr margin at real network conditions |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2272590B (en) * | 1992-11-17 | 1996-06-19 | Northern Telecom Ltd | Optical communications system |
JPH06318754A (ja) * | 1993-05-10 | 1994-11-15 | Matsushita Electric Ind Co Ltd | 光ファイバ増幅器および光信号伝送システム |
CA2155693C (en) * | 1994-08-25 | 1999-12-14 | Daniel A. Fishman | Performance monitoring and fault location in optical transmission systems |
JPH09247091A (ja) * | 1996-03-08 | 1997-09-19 | Fujitsu Ltd | 光伝送装置及び光伝送システム |
US6069718A (en) * | 1997-09-19 | 2000-05-30 | Nortel Networks Corporation | Distortion penalty measurement procedure in optical systems using noise loading |
DE60022567T2 (de) * | 1999-04-01 | 2006-05-04 | Cisco Photonics Italy S.R.L. | Verfahren zur Rauschverminderung in in einem optischen Ferntelekommunikationssystem |
US6384963B2 (en) * | 2000-03-03 | 2002-05-07 | Lucent Technologies Inc. | Optical communication system with co-propagating pump radiation for raman amplification |
US6697558B2 (en) * | 2000-03-03 | 2004-02-24 | Fitel U.S.A. Corp | Raman amplified optical system with reduction of four-wave mixing effects |
US6643057B2 (en) * | 2001-02-26 | 2003-11-04 | Corning Incorporated | Optical amplifier with reduced non-linear signal impairments by optimum pumping configuration and method for using same |
-
2000
- 2000-08-18 IT IT2000TO000808A patent/IT1320596B1/it active
-
2001
- 2001-07-27 ZA ZA200106216A patent/ZA200106216B/xx unknown
- 2001-07-27 AT AT01306447T patent/ATE364264T1/de not_active IP Right Cessation
- 2001-07-27 DE DE60128756T patent/DE60128756T2/de not_active Expired - Lifetime
- 2001-07-27 EP EP01306447A patent/EP1180861B1/en not_active Expired - Lifetime
- 2001-08-10 US US09/928,252 patent/US6657779B2/en not_active Expired - Lifetime
- 2001-08-16 JP JP2001247105A patent/JP2002141868A/ja active Pending
- 2001-08-16 NO NO20013999A patent/NO20013999L/no unknown
- 2001-08-17 AU AU61876/01A patent/AU6187601A/en not_active Abandoned
- 2001-08-17 RU RU2001123251/09A patent/RU2001123251A/ru not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO20013999D0 (no) | 2001-08-16 |
US20020044340A1 (en) | 2002-04-18 |
RU2001123251A (ru) | 2003-06-27 |
EP1180861B1 (en) | 2007-06-06 |
NO20013999L (no) | 2002-02-19 |
ATE364264T1 (de) | 2007-06-15 |
DE60128756D1 (de) | 2007-07-19 |
US6657779B2 (en) | 2003-12-02 |
AU6187601A (en) | 2002-02-21 |
JP2002141868A (ja) | 2002-05-17 |
ITTO20000808A1 (it) | 2002-02-18 |
EP1180861A3 (en) | 2003-12-17 |
EP1180861A2 (en) | 2002-02-20 |
DE60128756T2 (de) | 2008-01-31 |
ZA200106216B (en) | 2002-01-31 |
ITTO20000808A0 (it) | 2000-08-18 |
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