ATE316722T1 - Optischer mehrkanalentzerrer zur verminderung der intersymbolstörung - Google Patents

Optischer mehrkanalentzerrer zur verminderung der intersymbolstörung

Info

Publication number
ATE316722T1
ATE316722T1 AT04250980T AT04250980T ATE316722T1 AT E316722 T1 ATE316722 T1 AT E316722T1 AT 04250980 T AT04250980 T AT 04250980T AT 04250980 T AT04250980 T AT 04250980T AT E316722 T1 ATE316722 T1 AT E316722T1
Authority
AT
Austria
Prior art keywords
equalizer
controllable
intersymbol interference
compensate
optical
Prior art date
Application number
AT04250980T
Other languages
English (en)
Inventor
Sethumadhavan Chandrasekhar
Andrew Roman Chraplyvy
Christopher Richard Doerr
Peter J Winzer
Original Assignee
Lucent Technologies Inc
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
Priority claimed from US10/393,483 external-priority patent/US6785446B1/en
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of ATE316722T1 publication Critical patent/ATE316722T1/de

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Integrated Circuits (AREA)
AT04250980T 2003-03-20 2004-02-24 Optischer mehrkanalentzerrer zur verminderung der intersymbolstörung ATE316722T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/393,483 US6785446B1 (en) 2003-03-20 2003-03-20 Multi-channel optical equalizer for intersymbol interference mitigation
US10/735,176 US6804434B1 (en) 2003-03-20 2003-12-12 Multi-channel optical equalizer for intersymbol interference mitigation

Publications (1)

Publication Number Publication Date
ATE316722T1 true ATE316722T1 (de) 2006-02-15

Family

ID=32829468

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04250980T ATE316722T1 (de) 2003-03-20 2004-02-24 Optischer mehrkanalentzerrer zur verminderung der intersymbolstörung

Country Status (6)

Country Link
US (1) US7308169B2 (de)
EP (1) EP1460788B1 (de)
JP (1) JP4657616B2 (de)
CN (1) CN1571307B (de)
AT (1) ATE316722T1 (de)
DE (1) DE602004000348T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6961492B2 (en) * 2003-09-17 2005-11-01 Lucent Technologies Inc. Tunable dispersion compensator
US20050191059A1 (en) * 2004-01-12 2005-09-01 Clariphy Use of low-speed components in high-speed optical fiber transceivers
GB0417687D0 (en) * 2004-08-09 2004-09-08 Azea Networks Ltd An optical receiver and an optical transmission system incorporating the same
US7133191B2 (en) * 2004-12-29 2006-11-07 Lucent Technologies Inc. Optical equalization
NL1028456C2 (nl) * 2005-03-03 2006-09-06 Draka Comteq Bv Werkwijze voor het gebruik van een glasvezelnetwerk voor een beperkt werkgebied voor gegevenscommunicatie met een bitsnelheid van ten minste 30 Gbps, werkwijze voor het aanpassen van een glasvezelnetwerk alsmede een glasvezelnetwerk.
JP2006333450A (ja) * 2005-04-28 2006-12-07 Matsushita Electric Ind Co Ltd 極座標変調回路、極座標変調方法、集積回路および無線送信装置
US7609981B2 (en) * 2005-09-07 2009-10-27 Alcatel-Lucent Usa Inc. Deliberate signal degradation for optimizing receiver control loops
US20080240736A1 (en) * 2007-03-28 2008-10-02 Nec Laboratories America, Inc. Inter-Symbol Interference-Suppressed Colorless DPSK Demodulation
US20090003838A1 (en) * 2007-06-27 2009-01-01 Lucent Technologies Incorporated Optical Data Communication System Having Reduced Pulse Distortion and Method of Operating the Same
US8064768B2 (en) * 2007-12-19 2011-11-22 Nec Laboratories America, Inc. Intra-channel equalizing optical interleaver
US7609934B2 (en) * 2008-03-25 2009-10-27 Alcatel-Lucent Usa Inc. Integrated tunable optical equalizer
CN101635700B (zh) * 2008-07-25 2012-08-08 华为技术有限公司 一种ask/dpsk混合调制方法、装置及系统
WO2011115285A1 (ja) * 2010-03-17 2011-09-22 日本電気株式会社 光導波路及び光導波路デバイス
US9879644B2 (en) * 2010-04-01 2018-01-30 GM Global Technology Operations LLC Fuel injector with variable area pintle nozzle
US8787708B2 (en) * 2011-08-15 2014-07-22 Alcatel Lucent Endless phase shifting
US9088365B2 (en) * 2012-10-04 2015-07-21 Nec Laboratories America, Inc. Optical phase conjugation aided long-haul transmission system with enhanced signal-to-noise ratio and nonlinear tolerance
CN104238229A (zh) * 2014-09-30 2014-12-24 金陵科技学院 自由光谱范围可调谐Mach-Zehnder光纤干涉仪
WO2016157800A1 (ja) * 2015-03-27 2016-10-06 日本電気株式会社 光受信装置
CN106656878B (zh) * 2015-10-29 2019-12-06 华为技术有限公司 处理光信号的装置和方法
CN105371941B (zh) * 2015-12-16 2018-04-13 中国船舶重工集团公司第七〇五研究所 基于光环形器的分布式光纤振动传感检测方法
GB201605120D0 (en) * 2016-03-24 2016-05-11 Univ Aston System and method for the transmission of optic signals
US10498460B2 (en) * 2018-03-02 2019-12-03 Juniper Networks, Inc. Amplified multistage demultiplexer
US10461967B1 (en) 2018-06-22 2019-10-29 Elenion Technologies, Llc Optical domain equalization for coherent optical receivers
US11552702B2 (en) * 2020-04-28 2023-01-10 Fiber Sense Limited Integrated coherent receiver for distributed fiber sensing apparatus
WO2023115315A1 (zh) * 2021-12-21 2023-06-29 华为技术有限公司 接收机、接收方法和光通信系统

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JPH05303019A (ja) * 1992-04-24 1993-11-16 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ分散補償器
JP3415267B2 (ja) * 1993-06-21 2003-06-09 日本電信電話株式会社 光信号処理器の設計方法および製造方法
JP3262312B2 (ja) * 1995-09-05 2002-03-04 日本電信電話株式会社 光分散等化器
JP3464744B2 (ja) * 1996-06-03 2003-11-10 日本電信電話株式会社 自動等化システム
JPH10271044A (ja) * 1997-03-19 1998-10-09 Kokusai Denshin Denwa Co Ltd <Kdd> 非線形歪低減回路
JPH10319444A (ja) * 1997-05-19 1998-12-04 Nippon Telegr & Teleph Corp <Ntt> プログラマブル光信号処理装置およびその制御方法並びにその制御プログラムを記録した記録媒体
CA2314420C (en) * 1999-07-27 2008-06-03 Sumitomo Electric Industries, Ltd. Optical filter
JP2001189696A (ja) * 1999-10-19 2001-07-10 Nippon Telegr & Teleph Corp <Ntt> 分散スロープ補償器
US6400870B1 (en) * 1999-11-11 2002-06-04 Her Majesty The Queen In Right Of Canada As Represented By The Secretary Of State For Industry Symmetric interferometers unbalanced by using light exposure to tailor the spectral behavior
JP3798640B2 (ja) * 2001-03-02 2006-07-19 富士通株式会社 受信装置及び受信信号の波形劣化補償方法並びに波形劣化検出装置及び方法並びに波形測定装置及び方法
US20050175339A1 (en) * 2002-03-14 2005-08-11 Varda Herskowits Dynamic broadband optical equalizer
US6785446B1 (en) * 2003-03-20 2004-08-31 Lucent Technologies Inc. Multi-channel optical equalizer for intersymbol interference mitigation

Also Published As

Publication number Publication date
DE602004000348D1 (de) 2006-04-13
JP2004289831A (ja) 2004-10-14
EP1460788B1 (de) 2006-01-25
EP1460788A1 (de) 2004-09-22
US7308169B2 (en) 2007-12-11
CN1571307B (zh) 2010-05-26
US20050058459A1 (en) 2005-03-17
JP4657616B2 (ja) 2011-03-23
DE602004000348T2 (de) 2006-08-24
CN1571307A (zh) 2005-01-26

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