DE69124036T2 - Lichtquelle für Polarisationsschaltung, optischer Empfänger und kohärentes optisches Übertragungssystem - Google Patents

Lichtquelle für Polarisationsschaltung, optischer Empfänger und kohärentes optisches Übertragungssystem

Info

Publication number
DE69124036T2
DE69124036T2 DE69124036T DE69124036T DE69124036T2 DE 69124036 T2 DE69124036 T2 DE 69124036T2 DE 69124036 T DE69124036 T DE 69124036T DE 69124036 T DE69124036 T DE 69124036T DE 69124036 T2 DE69124036 T2 DE 69124036T2
Authority
DE
Germany
Prior art keywords
light source
transmission system
polarization circuit
optical transmission
optical receiver
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
DE69124036T
Other languages
English (en)
Other versions
DE69124036D1 (de
Inventor
Nobuo Suzuki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69124036D1 publication Critical patent/DE69124036D1/de
Application granted granted Critical
Publication of DE69124036T2 publication Critical patent/DE69124036T2/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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
DE69124036T 1990-08-30 1991-08-30 Lichtquelle für Polarisationsschaltung, optischer Empfänger und kohärentes optisches Übertragungssystem Expired - Fee Related DE69124036T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2226531A JP3001943B2 (ja) 1990-08-30 1990-08-30 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

Publications (2)

Publication Number Publication Date
DE69124036D1 DE69124036D1 (de) 1997-02-20
DE69124036T2 true DE69124036T2 (de) 1997-06-12

Family

ID=16846599

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69124036T Expired - Fee Related DE69124036T2 (de) 1990-08-30 1991-08-30 Lichtquelle für Polarisationsschaltung, optischer Empfänger und kohärentes optisches Übertragungssystem

Country Status (4)

Country Link
US (1) US5247382A (de)
EP (1) EP0475640B1 (de)
JP (1) JP3001943B2 (de)
DE (1) DE69124036T2 (de)

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NL9100292A (nl) * 1991-02-19 1992-09-16 Nederland Ptt Optisch zend- en ontvangsysteem met optische circulator.
GB2260046B (en) * 1991-09-26 1995-02-15 Northern Telecom Ltd Optical communications systems
US5432629A (en) * 1992-01-17 1995-07-11 Nec Corporation Light transmission device capable of stably transmitting a modulated output light beam
GB2264834A (en) * 1992-02-25 1993-09-08 Northern Telecom Ltd Optical transmission system
US5299047A (en) * 1992-04-02 1994-03-29 At&T Bell Laboratories Ternary data communication using multiple polarizations
EP0570151B1 (de) * 1992-05-08 1997-10-29 Kokusai Denshin Denwa Co., Ltd Optischer Sender mit Lichtsignal von geringem Polarisationsgrad und optische entpolarisierende Schaltung
JPH0688982A (ja) * 1992-05-29 1994-03-29 Nec Corp 光ファイバを用いる光情報記憶装置
JP3226067B2 (ja) * 1992-10-03 2001-11-05 キヤノン株式会社 光通信方法及び光通信システム
JPH06224882A (ja) * 1992-10-03 1994-08-12 Canon Inc 光ｆｓｋ受信器及びそれを用いた光ｆｄｍ−ｆｓｋ伝送システム
US5327511A (en) * 1993-06-18 1994-07-05 At&T Bell Laboratories Apparatus and method employing fast polarization modulation to reduce effects of polarization hole burning and polarization dependent loss
US5359678A (en) * 1993-06-18 1994-10-25 At&T Bell Laboratories Apparatus and method employing fast polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss
US5388170A (en) * 1993-11-22 1995-02-07 At&T Corp. Electrooptic device structure and method for reducing thermal effects in optical waveguide modulators
JPH07318986A (ja) * 1994-05-25 1995-12-08 Nec Corp 導波路型光スイッチ
US5717708A (en) * 1995-11-09 1998-02-10 Mells; Bradley Method and apparatus of stabilizing a semiconductor laser
US5907421A (en) * 1996-03-20 1999-05-25 The Trustees Of Princeton University Apparatus for spectral encoding and decoding of femtosecond optical pulses
US5812614A (en) * 1996-12-16 1998-09-22 Motorola, Inc. Apparatus and method for maximizing frequency offset tracking performance in a digital receiver
JPH10239539A (ja) * 1997-02-24 1998-09-11 Fujitsu Ltd 光分岐装置及び光分岐出力制御方法
JP3939003B2 (ja) * 1998-02-20 2007-06-27 富士通株式会社 同期偏波スクランブラを用いた光通信システム及び光受信装置
JP2000121855A (ja) * 1998-10-21 2000-04-28 Nippon Telegr & Teleph Corp <Ntt> 直交偏波出力装置
EP0959571B1 (de) * 1998-10-22 2001-08-29 Contraves Space AG Vorrichtung für den homodynen Empfang optischer phasenumgetasteter Signale
JP3631025B2 (ja) 1998-12-24 2005-03-23 アンリツ株式会社 波長分散測定装置及び偏波分散測定装置
US6649898B1 (en) * 2000-06-30 2003-11-18 Intel Corporation Method and apparatus for optically enabling a circuit component in a large scale integrated circuit
JP2003133638A (ja) * 2001-08-14 2003-05-09 Furukawa Electric Co Ltd:The 分布帰還型半導体レーザ素子及びレーザモジュール
JP2003060576A (ja) * 2001-08-22 2003-02-28 Nec Corp 偏波スクランブラユニット及びこれを用いた多中継伝送システム
US20040208646A1 (en) * 2002-01-18 2004-10-21 Seemant Choudhary System and method for multi-level phase modulated communication
US7019882B1 (en) 2002-03-21 2006-03-28 Lockheed Martin Corporation Generation of M-ary digital signaling constellations directly at lightwave frequencies
CN100452690C (zh) 2002-05-10 2009-01-14 诺基亚西门子通信有限责任两合公司 减少光偏振-多路信号的信号递降的方法和装置
JP4683815B2 (ja) * 2002-08-27 2011-05-18 富士通オプティカルコンポーネンツ株式会社 偏波スクランブラの制御方法及び駆動回路
EP1566002B1 (de) * 2002-11-29 2007-02-28 Pirelli & C. S.p.A. Optisches kommunikationssystem
JP3995686B2 (ja) * 2003-05-08 2007-10-24 富士通株式会社 分散スロープ補償装置
US7844186B2 (en) * 2004-02-20 2010-11-30 Alcatel-Lucent Usa Inc. Method and apparatus for optical transmission
JP4687262B2 (ja) * 2005-06-10 2011-05-25 日本電気株式会社 光送信システムおよび光送信方法
GB2430122B (en) * 2005-09-09 2008-07-09 Toshiba Res Europ Ltd A quantum communication system
US7406269B2 (en) * 2006-03-10 2008-07-29 Discovery Semiconductors, Inc. Feedback-controlled coherent optical receiver with electrical compensation/equalization
US7809284B2 (en) * 2006-06-23 2010-10-05 Alcatel-Lucent Usa Inc. System and method for receiving coherent, polarization-multiplexed optical signals
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
JP5736837B2 (ja) 2011-02-23 2015-06-17 富士通株式会社 光受信装置
WO2017006515A1 (ja) 2015-07-09 2017-01-12 日本電気株式会社 プラガブル光モジュール及び光通信システム
US10122471B2 (en) * 2016-07-07 2018-11-06 Lockheed Martin Corporation Spatially dephasing local oscillator for coherent free-space optical communications
US10680717B2 (en) * 2018-06-08 2020-06-09 Maxim Integrated Products, Inc. Systems and methods for polarization control using blind source separation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6352530A (ja) * 1986-08-22 1988-03-05 Fujitsu Ltd コヒ−レント光通信用の受信器
US4718120A (en) * 1986-11-24 1988-01-05 American Telephone And Telegraph Company, At&T Bell Laboratories Polarization insensitive coherent lightwave detector
GB8630959D0 (en) * 1986-12-29 1987-02-04 British Telecomm Optical polarisation control
GB2213026A (en) * 1987-11-30 1989-08-02 Plessey Co Plc Control arrangement for a phase shift keying system
US5008958A (en) * 1988-01-19 1991-04-16 At&T Bell Laboratories Polarization-insensitive technique for coherent optical communication
JPH063512B2 (ja) * 1988-02-19 1994-01-12 富士通株式会社 コヒーレント光通信用偏波ダイバーシティ光受信装置
EP0357799B1 (de) * 1988-03-04 1995-11-08 Fujitsu Limited Vorrichtung und verfahren zur modulierung eines halbleiterlasers
US5060311A (en) * 1989-06-06 1991-10-22 Siemens Aktiengesellschaft Method and apparatus for obtaining phase or polarization insensitive optical heterodyne reception for dpsk or ask-modulated transmission signal

Also Published As

Publication number Publication date
US5247382A (en) 1993-09-21
DE69124036D1 (de) 1997-02-20
EP0475640A2 (de) 1992-03-18
JP3001943B2 (ja) 2000-01-24
EP0475640B1 (de) 1997-01-08
JPH04109722A (ja) 1992-04-10
EP0475640A3 (en) 1992-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee