DE60213882D1 - Verfahren und Vorrichtung zum Demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexierten (WDM) Signalen - Google Patents

Verfahren und Vorrichtung zum Demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexierten (WDM) Signalen

Info

Publication number
DE60213882D1
DE60213882D1 DE60213882T DE60213882T DE60213882D1 DE 60213882 D1 DE60213882 D1 DE 60213882D1 DE 60213882 T DE60213882 T DE 60213882T DE 60213882 T DE60213882 T DE 60213882T DE 60213882 D1 DE60213882 D1 DE 60213882D1
Authority
DE
Germany
Prior art keywords
wdm
signals
wavelength division
division multiplexed
intensity modulated
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 - Lifetime
Application number
DE60213882T
Other languages
English (en)
Other versions
DE60213882T2 (de
Inventor
Takeshi Hoshida
Hiroshi Onaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE60213882D1 publication Critical patent/DE60213882D1/de
Application granted granted Critical
Publication of DE60213882T2 publication Critical patent/DE60213882T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
    • H04B10/677—Optical arrangements in the receiver for all-optical demodulation of the input optical signal for differentially modulated signal, e.g. DPSK signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
DE60213882T 2001-05-10 2002-05-09 Verfahren und Vorrichtung zum Demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexierten (WDM) Signalen Expired - Lifetime DE60213882T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US853316 2001-05-10
US09/853,316 US7035543B1 (en) 2001-05-10 2001-05-10 Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (WDM) signals

Publications (2)

Publication Number Publication Date
DE60213882D1 true DE60213882D1 (de) 2006-09-21
DE60213882T2 DE60213882T2 (de) 2007-08-30

Family

ID=25315705

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60205249T Expired - Lifetime DE60205249D1 (de) 2001-05-10 2002-05-09 Verfahren und vorrichtung zum demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexten (wdm) signalen
DE60213882T Expired - Lifetime DE60213882T2 (de) 2001-05-10 2002-05-09 Verfahren und Vorrichtung zum Demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexierten (WDM) Signalen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60205249T Expired - Lifetime DE60205249D1 (de) 2001-05-10 2002-05-09 Verfahren und vorrichtung zum demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexten (wdm) signalen

Country Status (7)

Country Link
US (1) US7035543B1 (de)
EP (2) EP1393484B1 (de)
JP (1) JP3887603B2 (de)
CN (1) CN100461660C (de)
CA (1) CA2385448C (de)
DE (2) DE60205249D1 (de)
WO (1) WO2002091645A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020131106A1 (en) 2001-03-16 2002-09-19 Peter Snawerdt Secure wave-division multiplexing telecommunications system and method
AU2002318180A1 (en) * 2001-07-09 2003-01-29 Oyster Optics, Inc. Fiber optic telecommunications card with security detection
US20060268277A1 (en) * 2005-02-23 2006-11-30 Optoplex Corporation Michelson interferometer based delay line interferometers
US20050246756A1 (en) * 2004-04-28 2005-11-03 Comcast Cable Holdings, Llc System and method for providing multiple services in HFC CATV networks
US7233430B2 (en) * 2004-12-23 2007-06-19 Massachusetts Institute Of Technology Multi-channel DPSK receiver
US7411726B2 (en) * 2004-12-23 2008-08-12 Massachusetts Institute Of Technology Multi-channel differentially encoded phase shift keyed receivers
US7414728B2 (en) 2004-12-23 2008-08-19 Massachusetts Institute Of Technology Reconfigurable polarization independent interferometers and methods of stabilization
JP4675796B2 (ja) * 2005-02-15 2011-04-27 日本電信電話株式会社 自動分散補償型光伝送システム
US20060232848A1 (en) * 2005-04-14 2006-10-19 Nec Laboratories America, Inc. Colorless Differential Phase Shift Keyed and Low Crosstalk Demodulators
WO2007103410A2 (en) * 2006-03-08 2007-09-13 Massachusetts Institute Of Technology Multi-channel differentially encoded phase shift keyed signal receivers
EP1912355B1 (de) * 2006-10-13 2010-09-08 Alcatel Lucent Verfahren und Vorrichtung zur Verbesserung der spektralen Effizienz eines DPSK Modulationsformats
JP4906103B2 (ja) * 2007-07-06 2012-03-28 日本電信電話株式会社 光変調回路および光伝送システム
CN101729149A (zh) * 2008-10-22 2010-06-09 华为技术有限公司 一种光解偏振复用光载波的方法、装置和系统
JP5387393B2 (ja) * 2009-12-25 2014-01-15 富士通株式会社 光ハイブリッド回路、光受信機及び光受信方法
WO2011119897A2 (en) 2010-03-24 2011-09-29 Massachusetts Institute Of Technology Phase shift keyed optical communications
US10009115B2 (en) 2011-05-02 2018-06-26 Massachusetts Institute Of Technology Optical receiver configurable to accommodate a variety of modulation formats
US8861636B2 (en) * 2011-07-22 2014-10-14 Infinera Corporation Coherent detection using coherent decoding and interleaving
JP7064136B2 (ja) * 2018-05-24 2022-05-10 日本電信電話株式会社 波長可変光フィルタ制御装置及び波長可変光フィルタ制御方法
CN111811549B (zh) * 2020-06-10 2022-03-04 天津大学 非对称双马赫曾德传感系统的解调方法及定位装置

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794351A (en) 1986-09-29 1988-12-27 American Telephone And Telegraph Company, At&T Bell Laboratories Optical mixer for upconverting or downconverting an optical signal
US5027435A (en) 1987-07-15 1991-06-25 At&T Bell Laboratories Optical communication systems using Fabry-Perot cavities
US5058974A (en) 1989-10-06 1991-10-22 At&T Bell Laboratories Distributed amplification for lightwave transmission system
EP0772314A3 (de) * 1990-09-14 1997-09-03 Fujitsu Ltd Optisches Kommunikationssystem mit gemultiplexten Unterträgern
GB2259419A (en) 1991-09-06 1993-03-10 Northern Telecom Ltd Direct detection of optical PSK signals
JP3223562B2 (ja) 1992-04-07 2001-10-29 株式会社日立製作所 光送信装置、光伝送装置および光変調器
US5483368A (en) * 1992-11-18 1996-01-09 Kabushiki Kaisha Toshiba Optical communication system suitable for selective reception of multiple services
JPH06224852A (ja) 1993-01-25 1994-08-12 Matsushita Electric Ind Co Ltd 光伝送方式
JPH08204647A (ja) 1994-11-25 1996-08-09 Sumitomo Electric Ind Ltd 光中継伝送装置および光通信方法
US5644664A (en) 1994-06-10 1997-07-01 The United States Of America As Represented By The Secretary Of The Navy Fiber optic digital transmission system
US5526162A (en) 1994-09-27 1996-06-11 At&T Corp. Synchronous polarization and phase modulation for improved performance of optical transmission systems
US5633741A (en) * 1995-02-23 1997-05-27 Lucent Technologies Inc. Multichannel optical fiber communications
JP2785741B2 (ja) 1995-04-12 1998-08-13 日本電気株式会社 全光再生中継器の監視システム
US5546480A (en) * 1995-04-28 1996-08-13 Texas Instruments Incorporated Hybrid all optical silica waveguide modulator using non-linear electro-optic components
US5898517A (en) * 1995-08-24 1999-04-27 Weis; R. Stephen Optical fiber modulation and demodulation system
JP3464867B2 (ja) 1996-02-23 2003-11-10 Ｋｄｄｉ株式会社 光送信装置およびこれを適用した波長多重光送信装置および光伝送システム
GB9604303D0 (en) 1996-02-29 1996-05-01 Stc Submarine Systems Ltd Chromatic pre-chip in NRZ transmitter
US5907421A (en) * 1996-03-20 1999-05-25 The Trustees Of Princeton University Apparatus for spectral encoding and decoding of femtosecond optical pulses
US6556326B2 (en) 1996-12-20 2003-04-29 Tyco Telecommunications (Us) Inc. Synchronous amplitude modulation for improved performance of optical transmission systems
US5778014A (en) * 1996-12-23 1998-07-07 Islam; Mohammed N. Sagnac raman amplifiers and cascade lasers
US6178036B1 (en) 1997-01-14 2001-01-23 California Institute Of Technology Opto-electronic devices and systems based on brillouin selective sideband amplification
US5946119A (en) 1997-02-12 1999-08-31 Tyco Submarine Systems Ltd. Wavelength division multiplexed system employing optimal channel modulation
US6058147A (en) 1997-03-03 2000-05-02 Telogy Networks, Inc. Intelligent carrier acquisition method for satellite communications
US5986782A (en) * 1997-05-29 1999-11-16 Ciena Corporation Signal-to-noise monitoring in WDM optical communication systems
US6081366A (en) 1997-08-28 2000-06-27 Lucent Technologies Inc. Optical fiber communication system with a distributed Raman amplifier and a remotely pumped er-doped fiber amplifier
US6556327B1 (en) 1997-11-06 2003-04-29 Matsushita Electric Industrial Co., Ltd. Signal converter, optical transmitter and optical fiber transmission system
US6178208B1 (en) * 1997-12-18 2001-01-23 Legerity System for recovery of digital data from amplitude and phase modulated line signals using delay lines
US6021233A (en) * 1998-02-12 2000-02-01 Ciena Corporation WDM ring transmission system having reduced adjacent channel cross-talk
EP0961448B1 (de) 1998-05-26 2009-01-07 Panasonic Corporation Modulator, Demodulator, und Übertragungssystem für OFDM-Übertragung
US6118397A (en) * 1998-06-17 2000-09-12 Trw Inc. Fully optical analog to digital converters with complementary outputs
WO2000005622A1 (fr) 1998-07-23 2000-02-03 The Furukawa Electric Co., Ltd. Amplificateur raman, repeteur optique et procede d'amplification raman
US6559996B1 (en) 1998-07-29 2003-05-06 Nippon Telegraph And Telephone Corporation Optical transmission system
JP2000059300A (ja) 1998-08-06 2000-02-25 Nippon Telegr & Teleph Corp <Ntt> 光送受信装置
US6049706A (en) * 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6181464B1 (en) 1998-12-01 2001-01-30 Tycom (Us) Inc. Low noise Raman amplifier employing bidirectional pumping and an optical transmission system incorporating same
US6147796A (en) * 1999-01-12 2000-11-14 Tyco Submarine Systems Ltd. Method for determining transmission parameters for the data channels of a WDM optical communication system
US6163636A (en) * 1999-01-19 2000-12-19 Lucent Technologies Inc. Optical communication system using multiple-order Raman amplifiers
US6323993B1 (en) 1999-02-19 2001-11-27 Lucent Technologies Inc. Method of optical signal transmission with reduced degradation by non-linear effects
US6459515B1 (en) 1999-03-12 2002-10-01 Tyco Telecommunications (Us) Inc. Method and apparatus for transmitting a WDM optical signal having states of polarization that are pairwise orthogonal
US6473214B1 (en) 1999-04-01 2002-10-29 Nortel Networks Limited Methods of and apparatus for optical signal transmission
US7079780B1 (en) 1999-05-28 2006-07-18 Northrop Grumman Corporation Linearized optical link using a single Mach-Zehnder modulator and two optical carriers
WO2000073849A1 (fr) 1999-05-31 2000-12-07 The Furukawa Electric Co., Ltd. Systeme amplificateur de raman et procede de transmission d'un signal optique l'utilisant
US6549311B1 (en) 1999-07-14 2003-04-15 Lucent Technologies Inc. Wave division multiplexing channel telemetry by phase modulation
US6341023B1 (en) 1999-07-23 2002-01-22 Tycom (Us) Inc. Multiple level modulation in a wavelength-division multiplexing (WDM) systems
US6433904B1 (en) 1999-07-27 2002-08-13 Sycamore Networks, Inc. Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding
US6606178B1 (en) 1999-09-23 2003-08-12 Corning Incorporated Method and system to reduce FWM penalty in NRZ WDM systems
US6616353B1 (en) 1999-10-07 2003-09-09 Massachusetts Institute Of Technology Laser intensity noise suppression using unbalanced interferometer modulation
JP4108254B2 (ja) 2000-07-11 2008-06-25 富士通株式会社 光送信器および光伝送システム
US6417958B1 (en) 2001-01-24 2002-07-09 Lucent Technologies Inc. WDM optical communication system using co-propagating Raman amplification

Also Published As

Publication number Publication date
US7035543B1 (en) 2006-04-25
CA2385448A1 (en) 2002-11-10
CA2385448C (en) 2012-04-24
CN100461660C (zh) 2009-02-11
CN1628431A (zh) 2005-06-15
EP1548967B1 (de) 2006-08-09
EP1548967A1 (de) 2005-06-29
WO2002091645A1 (en) 2002-11-14
JP2004530375A (ja) 2004-09-30
DE60205249D1 (de) 2005-09-01
EP1393484A1 (de) 2004-03-03
JP3887603B2 (ja) 2007-02-28
EP1393484B1 (de) 2005-07-27
DE60213882T2 (de) 2007-08-30

Similar Documents

Publication Publication Date Title
DE60213882D1 (de) Verfahren und Vorrichtung zum Demultiplexen von nichtintensitätsmodulierten wellenlängenmultiplexierten (WDM) Signalen
AU2002311788A1 (en) Methods and apparatus for reconfigurable wdm lightpath rings
DE69831473D1 (de) Verfahren und Vorrichtung zum Multiplexen und Demultiplexen digitaler Signalströme
DE19982026D2 (de) Verfahren zum Empfang von Spreizspektrumsignalen
DE69820833D1 (de) Verfahren und Vorrichtung zur Stabilisierung optischer Wellenlängen
EP1531355A4 (de) System und verfahren zur optischen wellenlängenmultiplexregeneration
DE59902701D1 (de) Verfahren zum synchronisieren von mehreren digitalen eingangssignalen
GB0505968D0 (en) Wavelength division demultiplexing apparatus
DE60016532D1 (de) Verfahren zur verschleierung von rahmenausfall
DE60026750D1 (de) Verfahren, Vorrichtung und System zur Übertragung von optischen Überwachungssignalen
DE60029181D1 (de) Multiplexverfahren und multiplexvorrichtung sowie verfahren und vorrichtung zur übertragung von datensignalen
DE59808654D1 (de) Verfahren zum aufbringen definierter betätigungskräfte
DE69822377D1 (de) Vorrichtung und Verfahren zum Demultiplexen gemultiplexter Daten
DE69838127D1 (de) Verfahren und Vorrichtung zur Steuerung der optischen Verstärkung in einer optischen Wellenlängenmultiplexübertragung
DE19982913T1 (de) System und Verfahren zum Multiplexen von seriellen Linkleitungen
AU2003231349A1 (en) Method and apparatus for optical mode division multiplexing and demultiplexing
DE69829650D1 (de) System, vorrichtung und verfahren zur kommunikation
DE60116696D1 (de) Verfahren zum Spleissen von geflochtenen Seilen
DE59806220D1 (de) Verfahren zum übermitteln von sprachdaten
DE59805351D1 (de) Verfahren zum herstellen von sägebändern
DE69930029D1 (de) Verfahren und Vorrichtung zum Empfang von Spreizspektrumsignalen
SI1567457T1 (sl) Postopek in naprava za izdelavo optičnih vlaken
DE69817021D1 (de) Verfahren und vorrichtung zur kodierung von wdm signalen
DE60108728D1 (de) Verfahren und ein Vorrichtung zum Übersenden und Empfangen gemultiplexter untergeordneter Signale
DE69731617D1 (de) Verfahren zum bleichen von hochausbeutepapierzellstoff

Legal Events

Date Code Title Description
8364 No opposition during term of opposition