DE3681473D1 - Kohaerenter optischer gegentaktempfaenger. - Google Patents

Kohaerenter optischer gegentaktempfaenger.

Info

Publication number
DE3681473D1
DE3681473D1 DE8686301439T DE3681473T DE3681473D1 DE 3681473 D1 DE3681473 D1 DE 3681473D1 DE 8686301439 T DE8686301439 T DE 8686301439T DE 3681473 T DE3681473 T DE 3681473T DE 3681473 D1 DE3681473 D1 DE 3681473D1
Authority
DE
Germany
Prior art keywords
coherent optical
optical background
background receiver
receiver
coherent
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
DE8686301439T
Other languages
English (en)
Inventor
Richard Edward Epworth
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of DE3681473D1 publication Critical patent/DE3681473D1/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
    • 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
    • H04B10/63—Homodyne, i.e. coherent receivers where the local oscillator is locked in frequency and phase to the carrier signal
DE8686301439T 1985-03-07 1986-02-28 Kohaerenter optischer gegentaktempfaenger. Expired - Fee Related DE3681473D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8505937A GB2172164B (en) 1985-03-07 1985-03-07 Balanced coherent receiver

Publications (1)

Publication Number Publication Date
DE3681473D1 true DE3681473D1 (de) 1991-10-24

Family

ID=10575611

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686301439T Expired - Fee Related DE3681473D1 (de) 1985-03-07 1986-02-28 Kohaerenter optischer gegentaktempfaenger.

Country Status (8)

Country Link
US (1) US4718121A (de)
EP (1) EP0194786B1 (de)
JP (1) JPS61208327A (de)
CN (1) CN1005235B (de)
AU (1) AU588283B2 (de)
DE (1) DE3681473D1 (de)
ES (1) ES8707041A1 (de)
GB (1) GB2172164B (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172766B (en) * 1985-03-21 1988-12-21 Stc Plc Optical receiver
WO1988000778A1 (en) * 1986-07-21 1988-01-28 Siemens Aktiengesellschaft Optical superheterodyne receiver in particular for phase shift modulated light
NL8602864A (nl) * 1986-11-12 1988-06-01 Philips Nv Inrichting voor optische heterodyne detektie van een optische signaalbundel en optisch transmissiesysteem voorzien van een dergelijke inrichting.
EP0302275A3 (de) * 1987-08-04 1991-03-27 Siemens Aktiengesellschaft Vorrichtung zum Detektieren intensitätsmodulierter Lichtsignale
EP0307721B1 (de) * 1987-09-11 1992-10-28 Siemens Aktiengesellschaft Optischer Überlagerungsempfänger mit Dreifachfaserkoppler
US4900917A (en) * 1988-07-15 1990-02-13 American Telephone And Telegraph Company, At&T Bell Laboratories Polarization insensitive optical communication device utilizing optical preamplification
NL8900389A (nl) * 1989-02-17 1990-09-17 Philips Nv Optische koherente ontvanger.
GB8920733D0 (en) * 1989-09-13 1989-10-25 British Telecomm An optical detector
US5134276A (en) * 1990-10-09 1992-07-28 International Business Machines Corporation Noise cancelling circuitry for optical systems with signal dividing and combining means
JPH04278737A (ja) * 1991-03-06 1992-10-05 Kokusai Denshin Denwa Co Ltd <Kdd> コヒーレント光受信器
NL9201130A (nl) * 1992-06-25 1994-01-17 Nederland Ptt Optische menginrichting met een fotodetector voor een heterodyne ontvanger.
US5483368A (en) * 1992-11-18 1996-01-09 Kabushiki Kaisha Toshiba Optical communication system suitable for selective reception of multiple services
US5491682A (en) * 1994-09-21 1996-02-13 Eastman Kodak Company Apparatus and method for controllable gain and phase matching in an optical data storage system with source noise subtraction
US5586101A (en) * 1995-03-01 1996-12-17 Eastman Kodak Company Magneto-optic data storage system with differential detection channels having separate gain control circuit
US5537383A (en) * 1995-03-01 1996-07-16 Eastman Kodak Company Optical data storage system with differential data detection and source noise subtraction for use with magneto-optic, write-once and other optical media
US6356381B1 (en) 1997-12-19 2002-03-12 The United States Of America As Represented By The Secretary Of Commerce Multi-wavelength cross-correlator for ultrashort radiation pulses
US6157752A (en) * 1998-09-21 2000-12-05 Bae Systems Aerospace Electronics Inc. Fiber optic link
JP4066379B2 (ja) * 2003-05-29 2008-03-26 三菱電機株式会社 光制御型フェーズドアレーアンテナ装置
US7373091B2 (en) * 2003-09-25 2008-05-13 Lucent Technologies Inc. Multicasting optical switch fabric and method of detection based on novel heterodyne receiver
US7330669B2 (en) * 2004-04-20 2008-02-12 Lucent Technologies Inc. Optical heterodyne receiver based on oversampling
US7477852B2 (en) * 2005-01-31 2009-01-13 Alcatel-Lucent Usa Inc. Optical receiver apparatus and method
US7742701B2 (en) * 2005-03-16 2010-06-22 Michael George Taylor Coherent optical channel substitution
US7406269B2 (en) * 2006-03-10 2008-07-29 Discovery Semiconductors, Inc. Feedback-controlled coherent optical receiver with electrical compensation/equalization
US7941059B1 (en) * 2006-04-28 2011-05-10 Hrl Laboratories, Llc Down conversion for distortion free recovery of a phase modulated optical signal
US7877020B1 (en) 2006-04-28 2011-01-25 Hrl Laboratories, Llc Coherent RF-photonic link linearized via a negative feedback phase-tracking loop
JP4918400B2 (ja) * 2007-04-27 2012-04-18 富士通株式会社 光信号受信装置
US8126338B2 (en) * 2007-11-07 2012-02-28 Discovery Semiconductors, Inc. Method and apparatus for repeaterless high-speed optical transmission over single-mode fiber using coherent receiver and electronic dispersion compensation
US8204378B1 (en) 2008-03-27 2012-06-19 Tektronix, Inc. Coherent optical signal processing
CN102016601A (zh) * 2008-04-30 2011-04-13 奥普提克艾尔数据系统有限公司 激光多普勒速度计
JP2010081274A (ja) * 2008-09-26 2010-04-08 Nihon Univ 光通信波長帯における高速パルス型ホモダイン検波器
US8401401B2 (en) * 2008-10-14 2013-03-19 Schlumberger Technology Corporation Polarization-diverse, heterodyne optical receiving system
JP5444877B2 (ja) * 2009-06-24 2014-03-19 富士通株式会社 デジタルコヒーレント受信器
WO2011083573A1 (ja) 2010-01-07 2011-07-14 株式会社 東芝 動画像符号化装置及び動画像復号化装置
JP5666617B2 (ja) * 2010-03-17 2015-02-12 ライトラボ・イメージング・インコーポレーテッド 干渉センシングおよび画像取得システムのための強度雑音を低減する方法および装置
US8508723B2 (en) 2011-02-14 2013-08-13 Optical Air Data Systems, Llc Laser wind velocimeter with multiple radiation sources
GB201114330D0 (en) * 2011-08-19 2011-10-05 Michelson Diagnostics Ltd Detector circuits for interferometers
US8961181B2 (en) 2011-12-23 2015-02-24 Optical Air Data Systems, Llc LDV system for improving the aim of a shooter
US8879051B2 (en) 2011-12-23 2014-11-04 Optical Air Data Systems, Llc High power laser doppler velocimeter with multiple amplification stages
US8908160B2 (en) 2011-12-23 2014-12-09 Optical Air Data Systems, Llc Optical air data system suite of sensors
CN104168068B (zh) * 2013-05-16 2018-08-14 爱斯福公司 用于集成相干接收器的共模抑制比表征的方法和系统
US9337937B2 (en) 2014-03-10 2016-05-10 Cisco Technology, Inc. Common mode rejection ratio control for coherent optical receivers
CN107395289A (zh) * 2017-08-03 2017-11-24 电子科技大学 一种用于补偿多路输出相干接收机输出强度不平衡的方法
EP3987692A1 (de) * 2019-06-21 2022-04-27 Orange Kohärente detektion mit optimiertem lokalen oszillator
FR3096199A1 (fr) * 2019-06-21 2020-11-20 Orange Détection cohérente avec oscillateur local optimisé

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191047A (en) * 1961-09-28 1965-06-22 Hewlett Packard Co Optical maser heterodyning using photoresponsive detectors
US3214590A (en) * 1962-06-28 1965-10-26 Bell Telephone Labor Inc Communication receiver utilizing negative feedback polarization modulation of electromagnetic waves and communication system including said receiver
US3571597A (en) * 1969-10-14 1971-03-23 Commerce Usa System for phase stabilizing widely separated oscillators
US3971930A (en) * 1974-04-24 1976-07-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Polarization compensator for optical communications
JPS56150734A (en) * 1980-04-23 1981-11-21 Nippon Telegr & Teleph Corp <Ntt> Heterodyne receiver for optical communication using semiconductor laser
FR2515903A1 (fr) * 1981-11-05 1983-05-06 Telecommunications Sa Circuit hybride adaptatif
JPS58149025A (ja) * 1982-03-02 1983-09-05 Nec Corp 光ヘテロダイン・ホモダイン検波装置
GB2121636B (en) * 1982-05-20 1986-03-05 Standard Telephones Cables Ltd Coherent optical receiver
JPS59165538A (ja) * 1983-03-10 1984-09-18 Nec Corp 光検波受信装置

Also Published As

Publication number Publication date
GB2172164A (en) 1986-09-10
ES552764A0 (es) 1987-07-01
AU588283B2 (en) 1989-09-14
EP0194786A3 (en) 1988-09-14
ES8707041A1 (es) 1987-07-01
JPS61208327A (ja) 1986-09-16
EP0194786B1 (de) 1991-09-18
CN1005235B (zh) 1989-09-20
AU5403586A (en) 1986-09-11
GB2172164B (en) 1989-02-22
US4718121A (en) 1988-01-05
EP0194786A2 (de) 1986-09-17
CN86100077A (zh) 1986-11-05
GB8505937D0 (en) 1985-04-11

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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