SE9803348L - Förfarande och anordning för kanalutjämning av våglängdsmultiplexerade optiska system - Google Patents

Förfarande och anordning för kanalutjämning av våglängdsmultiplexerade optiska system

Info

Publication number
SE9803348L
SE9803348L SE9803348A SE9803348A SE9803348L SE 9803348 L SE9803348 L SE 9803348L SE 9803348 A SE9803348 A SE 9803348A SE 9803348 A SE9803348 A SE 9803348A SE 9803348 L SE9803348 L SE 9803348L
Authority
SE
Sweden
Prior art keywords
disposed
pump laser
optical splitter
multiplexer
wdm
Prior art date
Application number
SE9803348A
Other languages
English (en)
Other versions
SE513096C2 (sv
SE9803348D0 (sv
Inventor
Torsten Augustsson
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9803348A priority Critical patent/SE513096C2/sv
Publication of SE9803348D0 publication Critical patent/SE9803348D0/sv
Priority to TW087121621A priority patent/TW393844B/zh
Priority to CNB998116831A priority patent/CN1137558C/zh
Priority to JP2000577790A priority patent/JP2002528956A/ja
Priority to PCT/SE1999/001667 priority patent/WO2000024148A1/en
Priority to CA002343822A priority patent/CA2343822A1/en
Priority to KR1020017004040A priority patent/KR100589838B1/ko
Priority to EP99970810A priority patent/EP1118181A1/en
Priority to AU11930/00A priority patent/AU1193000A/en
Priority to US09/410,046 priority patent/US6452718B1/en
Publication of SE9803348L publication Critical patent/SE9803348L/sv
Publication of SE513096C2 publication Critical patent/SE513096C2/sv
Priority to HK02104372.8A priority patent/HK1042999B/zh

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
    • 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
    • H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
    • 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
    • H04B10/2581—Multimode transmission
    • 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
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately
SE9803348A 1998-10-02 1998-10-02 Förfarande och anordning för kanalutjämning av våglängdsmultiplexerade optiska system SE513096C2 (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9803348A SE513096C2 (sv) 1998-10-02 1998-10-02 Förfarande och anordning för kanalutjämning av våglängdsmultiplexerade optiska system
TW087121621A TW393844B (en) 1998-10-02 1998-12-24 Wdm-channel equalizer
AU11930/00A AU1193000A (en) 1998-10-02 1999-09-23 Wdm-channel equalizer
PCT/SE1999/001667 WO2000024148A1 (en) 1998-10-02 1999-09-23 Wdm-channel equalizer
JP2000577790A JP2002528956A (ja) 1998-10-02 1999-09-23 Ｗｄｍチャンネル等化器
CNB998116831A CN1137558C (zh) 1998-10-02 1999-09-23 波分复用信道均衡器
CA002343822A CA2343822A1 (en) 1998-10-02 1999-09-23 Wdm-channel equalizer
KR1020017004040A KR100589838B1 (ko) 1998-10-02 1999-09-23 Ｗｄｍ-채널 등화기
EP99970810A EP1118181A1 (en) 1998-10-02 1999-09-23 Wdm-channel equalizer
US09/410,046 US6452718B1 (en) 1998-10-02 1999-10-01 WDM-channel equalizer
HK02104372.8A HK1042999B (zh) 1998-10-02 2002-06-11 波分復用信道均衡器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9803348A SE513096C2 (sv) 1998-10-02 1998-10-02 Förfarande och anordning för kanalutjämning av våglängdsmultiplexerade optiska system

Publications (3)

Publication Number Publication Date
SE9803348D0 SE9803348D0 (sv) 1998-10-02
SE9803348L true SE9803348L (sv) 2000-04-03
SE513096C2 SE513096C2 (sv) 2000-07-10

Family

ID=20412801

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9803348A SE513096C2 (sv) 1998-10-02 1998-10-02 Förfarande och anordning för kanalutjämning av våglängdsmultiplexerade optiska system

Country Status (11)

Country Link
US (1) US6452718B1 (sv)
EP (1) EP1118181A1 (sv)
JP (1) JP2002528956A (sv)
KR (1) KR100589838B1 (sv)
CN (1) CN1137558C (sv)
AU (1) AU1193000A (sv)
CA (1) CA2343822A1 (sv)
HK (1) HK1042999B (sv)
SE (1) SE513096C2 (sv)
TW (1) TW393844B (sv)
WO (1) WO2000024148A1 (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6646795B1 (en) 2000-11-20 2003-11-11 Nortel Networks Limited Optical amplifier
US7019893B2 (en) * 2001-02-12 2006-03-28 Metrophotonics Inc. Optical dynamic gain amplifier
US6804426B2 (en) * 2001-05-15 2004-10-12 Alphion Corporation Device and method for simultaneous multiple reproduction of lightwave signals
CA2349028A1 (en) * 2001-05-28 2002-11-28 Optenia, Inc. Integrated double pass demultiplexer/variable optical attenuator for channel equalization
KR100419608B1 (ko) * 2001-09-24 2004-02-25 한국전자통신연구원 파장분할다중화방식 광통신 시스템의 채널 등화장치 및 방법
US6853797B2 (en) * 2001-11-05 2005-02-08 Kotura, Inc. Compact optical equalizer
KR100419411B1 (ko) * 2002-03-19 2004-02-21 삼성전자주식회사 이득 평탄화 광섬유 증폭기
KR100458678B1 (ko) * 2002-03-20 2004-12-03 주식회사 럭스퍼트 이득제공 방식의 광파워 평탄화기
US7075712B2 (en) * 2002-05-30 2006-07-11 Fujitsu Limited Combining and distributing amplifiers for optical network and method
US20030234975A1 (en) * 2002-06-24 2003-12-25 Minelly John D. Banded optical amplifier
US20060268392A1 (en) * 2002-11-08 2006-11-30 Dario Setti Optical communication line and system with reduced polarization mode dispersion
CN1299468C (zh) * 2003-04-18 2007-02-07 中兴通讯股份有限公司 一种聚合组流量均衡方法
EP2253991B1 (en) * 2003-06-19 2012-03-14 Nippon Telegraph And Telephone Corporation Optical modulation apparatus
WO2005122344A2 (en) * 2004-06-07 2005-12-22 Unopsys Llc Wideband optical amplifier with a wide dynamic range
US7221499B2 (en) * 2005-10-19 2007-05-22 Northrop Grumman Corporation Frequency scanned array control system
EP2225841B1 (en) * 2007-11-27 2013-07-24 Telefonaktiebolaget LM Ericsson (publ) Methods and systems for increasing reach and/or split in passive optical networks
EP2131509B1 (en) * 2008-06-06 2014-08-06 Xieon Networks S.à.r.l. Optical amplifier arrangement
TWI469544B (zh) * 2012-08-03 2015-01-11 Chunghwa Telecom Co Ltd Multi - wave channel thin film filter - type wavelength multiplexing and multi - processor
CN104601495B (zh) * 2015-01-30 2018-11-30 杭州晨晓科技股份有限公司 一种扩展物理端口的系统
CN107645340B (zh) * 2017-10-26 2023-11-10 贵州电网有限责任公司 一种便携式数字化变电站调试协助器
CN117096728A (zh) * 2022-05-10 2023-11-21 华为技术有限公司 多模激光装置、光放大器和光发送模块

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8828680D0 (en) * 1988-12-08 2000-10-04 British Aerospace Underwater detection system
GB9305977D0 (en) * 1993-03-23 1993-05-12 Northern Telecom Ltd Transmission system incorporating optical amplifiers
US5392154A (en) * 1994-03-30 1995-02-21 Bell Communications Research, Inc. Self-regulating multiwavelength optical amplifier module for scalable lightwave communications systems
GB9411061D0 (en) * 1994-06-02 1994-07-20 Northern Telecom Ltd Optical waveguide amplifiers
US5598294A (en) * 1994-08-18 1997-01-28 Matsushita Electric Industrial Co., Ltd. Optical fiber amplifier and optical fiber communication system
GB2293936B (en) * 1994-10-05 1996-08-28 Northern Telecom Ltd Optical amplifiers
JPH10173597A (ja) * 1996-12-06 1998-06-26 Nec Corp 光イコライザ
US6040933A (en) * 1997-12-19 2000-03-21 Nortel Networks Corporation Method and apparatus for channel equalization in wavelength division multiplexed systems

Also Published As

Publication number Publication date
SE513096C2 (sv) 2000-07-10
HK1042999B (zh) 2004-12-10
CA2343822A1 (en) 2000-04-27
CN1137558C (zh) 2004-02-04
HK1042999A1 (en) 2002-08-30
KR100589838B1 (ko) 2006-06-14
EP1118181A1 (en) 2001-07-25
SE9803348D0 (sv) 1998-10-02
AU1193000A (en) 2000-05-08
US6452718B1 (en) 2002-09-17
KR20010075468A (ko) 2001-08-09
WO2000024148A1 (en) 2000-04-27
CN1328729A (zh) 2001-12-26
TW393844B (en) 2000-06-11
JP2002528956A (ja) 2002-09-03

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