DE68927524T2 - Optischer Polarisationsdiversitätsempfänger für kohärente optische Übertragung - Google Patents

Optischer Polarisationsdiversitätsempfänger für kohärente optische Übertragung

Info

Publication number
DE68927524T2
DE68927524T2 DE68927524T DE68927524T DE68927524T2 DE 68927524 T2 DE68927524 T2 DE 68927524T2 DE 68927524 T DE68927524 T DE 68927524T DE 68927524 T DE68927524 T DE 68927524T DE 68927524 T2 DE68927524 T2 DE 68927524T2
Authority
DE
Germany
Prior art keywords
diversity receiver
polarization diversity
optical
coherent
optical transmission
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 - Fee Related
Application number
DE68927524T
Other languages
English (en)
Other versions
DE68927524D1 (de
Inventor
Takao Naito
Terumi Chikama
Shigeki Watanabe
Tetsuya Kiyonaga
Yoshihito Onoda
Hideo Kuwahara
Hiroshi Onaka
Hideyuki Miyata
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 DE68927524D1 publication Critical patent/DE68927524D1/de
Application granted granted Critical
Publication of DE68927524T2 publication Critical patent/DE68927524T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B10/61—Coherent receivers
    • 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
    • H04B10/61—Coherent receivers
    • H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne coherent receivers
    • 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
    • H04B10/61—Coherent receivers
    • H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [fIF] is obtained
DE68927524T 1988-02-19 1989-02-17 Optischer Polarisationsdiversitätsempfänger für kohärente optische Übertragung Expired - Fee Related DE68927524T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63038021A JPH063512B2 (ja) 1988-02-19 1988-02-19 コヒーレント光通信用偏波ダイバーシティ光受信装置

Publications (2)

Publication Number Publication Date
DE68927524D1 DE68927524D1 (de) 1997-01-23
DE68927524T2 true DE68927524T2 (de) 1997-04-30

Family

ID=12513918

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927524T Expired - Fee Related DE68927524T2 (de) 1988-02-19 1989-02-17 Optischer Polarisationsdiversitätsempfänger für kohärente optische Übertragung

Country Status (4)

Country Link
US (1) US4965858A (de)
EP (1) EP0329186B1 (de)
JP (1) JPH063512B2 (de)
DE (1) DE68927524T2 (de)

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DE68927969T2 (de) * 1988-07-29 1997-09-11 Nec Corp Optischer heterodyner Polarisationsdiversitätsempfänger mit Phaseneinstellung von zwei Zwischenfrequenzsignalen zur Steuerung einer lokalen Lichtquelle
JPH0239131A (ja) * 1988-07-29 1990-02-08 Hitachi Ltd 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法
US5253309A (en) * 1989-06-23 1993-10-12 Harmonic Lightwaves, Inc. Optical distribution of analog and digital signals using optical modulators with complementary outputs
JP3001943B2 (ja) * 1990-08-30 2000-01-24 株式会社東芝 偏波スイッチング光源、光受信装置及びコヒーレント光伝送システム
NL9001938A (nl) * 1990-09-04 1992-04-01 Philips Nv Polarisatie onafhankelijke ontvanger.
JPH04150628A (ja) * 1990-10-15 1992-05-25 Nec Corp 光通信システムの波長安定化方法および回路
US5267072A (en) * 1991-05-20 1993-11-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Dual frequency optical carrier technique for transmission of reference frequencies in dispersive media
US5321850A (en) * 1991-10-09 1994-06-14 Telefonaktiebolaget L M Ericsson Diversity radio receiver automatic frequency control
NL9201077A (nl) * 1992-06-18 1994-01-17 Nederland Ptt Optisch transmissiesysteem met frequentieregeling.
US5574589A (en) * 1995-01-09 1996-11-12 Lucent Technologies Inc. Self-amplified networks
US6407848B1 (en) 2000-12-27 2002-06-18 All Optical Networks, Inc. Servo-stabilized-phase, differential coherence detector
US6473222B2 (en) 2000-12-27 2002-10-29 John N. Hait Hyper-heterodyning, expanded bandpass apparatus and method
US20040208646A1 (en) * 2002-01-18 2004-10-21 Seemant Choudhary System and method for multi-level phase modulated communication
US7460793B2 (en) * 2002-12-11 2008-12-02 Michael George Taylor Coherent optical detection and signal processing method and system
US7529481B1 (en) * 2003-03-13 2009-05-05 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of The University Of Oregon Linear optical sampling methods and apparatus
US20060098986A1 (en) * 2004-11-10 2006-05-11 Jung Eui S Optical receiver for reducing optical beat interference and optical network including the optical receiver
US7532822B2 (en) * 2005-02-28 2009-05-12 Nortel Networks Limited Clock recovery from an optical signal with polarization impairments
US7826752B1 (en) * 2005-06-02 2010-11-02 Level 3 Communications, Llc Optical transmission apparatuses, methods, and systems
US7555227B2 (en) * 2005-10-21 2009-06-30 Nortel Networks Limited Polarization compensation in a coherent optical receiver
US7606498B1 (en) 2005-10-21 2009-10-20 Nortel Networks Limited Carrier recovery in a coherent optical receiver
US7522841B2 (en) * 2005-10-21 2009-04-21 Nortel Networks Limited Efficient data transmission and training of data processing functions
US7406269B2 (en) * 2006-03-10 2008-07-29 Discovery Semiconductors, Inc. Feedback-controlled coherent optical receiver with electrical compensation/equalization
US7877020B1 (en) 2006-04-28 2011-01-25 Hrl Laboratories, Llc Coherent RF-photonic link linearized via a negative feedback phase-tracking loop
US7941059B1 (en) * 2006-04-28 2011-05-10 Hrl Laboratories, Llc Down conversion for distortion free recovery of a phase modulated optical signal
US8503568B1 (en) * 2006-09-07 2013-08-06 The Boeing Company Differential encoding for multiplexed data streams
JP5034770B2 (ja) * 2007-08-16 2012-09-26 富士通株式会社 コヒーレント光受信器および光通信システム
US8204378B1 (en) 2008-03-27 2012-06-19 Tektronix, Inc. Coherent optical signal processing
JP5365315B2 (ja) * 2009-04-03 2013-12-11 富士通株式会社 光受信機および光受信方法
US8761608B2 (en) * 2010-10-11 2014-06-24 Nec Laboratories America, Inc. Coded multidimensional pulse amplitude modulation for ultra-high-speed optical transport
US8687974B2 (en) * 2011-01-22 2014-04-01 Viasat, Inc. Skew compensation and tracking in communications systems
US8693897B2 (en) 2011-01-22 2014-04-08 Viasat, Inc. Digital demodulator architecture
WO2012144108A1 (ja) * 2011-04-21 2012-10-26 日本電気株式会社 光受信方法および光受信機
EP2608426A1 (de) * 2011-12-21 2013-06-26 Nokia Siemens Networks Oy Verfahren und Vorrichtung zum Bestimmen der Polarisationstrennung in einem heterodynen Kohärenzempfängers
JP6257098B2 (ja) * 2012-05-25 2018-01-10 コーニング インコーポレイテッド 差動光信号送信システム
US9281915B2 (en) * 2013-01-17 2016-03-08 Alcatel Lucent Optical polarization demultiplexing for a coherent-detection scheme
US9154231B2 (en) * 2013-01-17 2015-10-06 Alcatel Lucent Generation of an optical local-oscillator signal for a coherent-detection scheme

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517081A1 (fr) * 1981-11-26 1983-05-27 Monerie Michel Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre
GB2172766B (en) * 1985-03-21 1988-12-21 Stc Plc Optical receiver
GB8514264D0 (en) * 1985-06-06 1985-07-10 British Telecomm Coherent optical receivers
JPH0671232B2 (ja) * 1986-07-14 1994-09-07 富士通株式会社 二重平衡偏波ダイバ−シティ受信装置
JPH0671233B2 (ja) * 1986-06-20 1994-09-07 富士通株式会社 二重平衡受光装置
US4723315A (en) * 1986-06-24 1988-02-02 Itek Corporation Polarization matching mixer
US4912527A (en) * 1987-07-24 1990-03-27 Nec Corporation Optical apparatus for pulling an intermediate frequency in a predetermined frequency range
JP2562623B2 (ja) * 1987-10-28 1996-12-11 国際電信電話株式会社 ベースバンド合成法による偏波ダイバーシティ光受信方式

Also Published As

Publication number Publication date
EP0329186A2 (de) 1989-08-23
JPH01211736A (ja) 1989-08-24
DE68927524D1 (de) 1997-01-23
US4965858A (en) 1990-10-23
JPH063512B2 (ja) 1994-01-12
EP0329186A3 (de) 1991-11-13
EP0329186B1 (de) 1996-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee