FR2517081B1 - - Google Patents

Info

Publication number
FR2517081B1
FR2517081B1 FR8122164A FR8122164A FR2517081B1 FR 2517081 B1 FR2517081 B1 FR 2517081B1 FR 8122164 A FR8122164 A FR 8122164A FR 8122164 A FR8122164 A FR 8122164A FR 2517081 B1 FR2517081 B1 FR 2517081B1
Authority
FR
France
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
Application number
FR8122164A
Other versions
FR2517081A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8122164A priority Critical patent/FR2517081A1/fr
Priority to US06/443,143 priority patent/US4506388A/en
Priority to CA000416108A priority patent/CA1206203A/fr
Priority to GB08233414A priority patent/GB2110895B/en
Priority to DE19823243464 priority patent/DE3243464A1/de
Publication of FR2517081A1 publication Critical patent/FR2517081A1/fr
Application granted granted Critical
Publication of FR2517081B1 publication Critical patent/FR2517081B1/fr
Granted 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • 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
    • H04B10/615—Arrangements affecting the optical part of 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
    • H04B10/61—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
FR8122164A 1981-11-26 1981-11-26 Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre Granted FR2517081A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8122164A FR2517081A1 (fr) 1981-11-26 1981-11-26 Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre
US06/443,143 US4506388A (en) 1981-11-26 1982-11-19 Process and apparatus for the coherent detection and demodulation of a phase-modulated carrier wave in a random polarization state
CA000416108A CA1206203A (fr) 1981-11-26 1982-11-22 Demodulateur et detecteur coherent optique
GB08233414A GB2110895B (en) 1981-11-26 1982-11-23 Coherent detection and demodulation of a phase-modulated carrier wave in a random polarization state
DE19823243464 DE3243464A1 (de) 1981-11-26 1982-11-24 Verfahren zur kohaerenten erfassung und demodulation einer sich in irgendeinem polarisationszustand befindenden, phasenmodulierten traegerwelle und vorrichtung zur durchfuehrung des verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8122164A FR2517081A1 (fr) 1981-11-26 1981-11-26 Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre

Publications (2)

Publication Number Publication Date
FR2517081A1 FR2517081A1 (fr) 1983-05-27
FR2517081B1 true FR2517081B1 (fr) 1985-04-05

Family

ID=9264396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122164A Granted FR2517081A1 (fr) 1981-11-26 1981-11-26 Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre

Country Status (5)

Country Link
US (1) US4506388A (fr)
CA (1) CA1206203A (fr)
DE (1) DE3243464A1 (fr)
FR (1) FR2517081A1 (fr)
GB (1) GB2110895B (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179066B (it) * 1984-08-22 1987-09-16 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la determinazione in tempo reale dello stato di polarizzazione di un fascio luminoso quasi monocromatico
GB8514264D0 (en) * 1985-06-06 1985-07-10 British Telecomm Coherent optical receivers
US4723316A (en) * 1986-05-08 1988-02-02 American Telephone & Telegraph Company, At&T Bell Laboratories Polarization independent coherent optical heterodyne receivers
CA1290019C (fr) * 1986-06-20 1991-10-01 Hideo Kuwahara Recepteur de signaux lumineux a dedoublement
US4723315A (en) * 1986-06-24 1988-02-02 Itek Corporation Polarization matching mixer
IT1195127B (it) * 1986-08-08 1988-10-12 Cselt Centro Studi Lab Telecom Interferometro eterodina tipo michelson per misure di polarizzazione
NL8602350A (nl) * 1986-09-17 1988-04-18 Philips Nv Inrichting voor optische heterodyne detektie van een optische signaalbundel en optisch transmissiesysteem voorzien van een dergelijke inrichting.
US4718120A (en) * 1986-11-24 1988-01-05 American Telephone And Telegraph Company, At&T Bell Laboratories Polarization insensitive coherent lightwave detector
CA1308440C (fr) * 1987-03-13 1992-10-06 Hideaki Tsushima Methode de communication optique a diversite de polarisation et appareil utilisant cette methode
US5477369A (en) * 1987-04-20 1995-12-19 U.S. Philips Corporation Device for optical heterodyne or homodyne detection of an optical signal beam and receiver provided with such a device
US4850041A (en) * 1987-05-13 1989-07-18 Ford Aerospace & Communications Corporation Laser radar with adjustable local oscillator
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
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
US5023946A (en) * 1988-07-29 1991-06-11 Nec Corporation Polarization diversity optical heterodyne receiver with phase adjustment of two I.F. signals for control of a local optical source
JPH02162330A (ja) * 1988-12-16 1990-06-21 Hitachi Ltd 偏波ダイバシティ光受信方法とその装置および中間周波数安定化方法
US5146359A (en) * 1989-01-26 1992-09-08 The Furukawa Electric Co., Ltd. Double-stage phase-diversity receiver
NL8900389A (nl) * 1989-02-17 1990-09-17 Philips Nv Optische koherente ontvanger.
US5048120A (en) * 1989-08-28 1991-09-10 Siemens Aktiengesellschaft Arrangement for the generation of an FSK-modulated optical signal having two polarization states that are orthogonal to one another from an FSK-modulated optical transmitted signal
NL9001331A (nl) * 1990-06-13 1992-01-02 Philips Nv Inrichting voor optische heterodyne detektie en optische komponent geschikt voor toepassing in een dergelijke inrichting.
NL9201130A (nl) * 1992-06-25 1994-01-17 Nederland Ptt Optische menginrichting met een fotodetector voor een heterodyne ontvanger.
US6856400B1 (en) * 2000-12-14 2005-02-15 Luna Technologies Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects
US6473222B2 (en) 2000-12-27 2002-10-29 John N. Hait Hyper-heterodyning, expanded bandpass apparatus and method
US6407848B1 (en) 2000-12-27 2002-06-18 All Optical Networks, Inc. Servo-stabilized-phase, differential coherence detector
US7532822B2 (en) * 2005-02-28 2009-05-12 Nortel Networks Limited Clock recovery from an optical signal with polarization impairments
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
US7555227B2 (en) * 2005-10-21 2009-06-30 Nortel Networks Limited Polarization compensation in a coherent optical receiver
US7317847B1 (en) * 2006-10-20 2008-01-08 Kvh Industries, Inc. Optical fibers, devices and methods for making same
GB2485202B (en) * 2010-11-05 2017-08-30 Oclaro Tech Ltd Demodulator and optical arrangement thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694656A (en) * 1970-10-28 1972-09-26 Raytheon Co Balanced optical demodulator
US4044247A (en) * 1975-12-16 1977-08-23 Hughes Aircraft Company Polarization reference imaging technique
US4063084A (en) * 1976-07-19 1977-12-13 Hughes Aircraft Company Dual channel optical homodyne receiver
US4097110A (en) * 1977-04-27 1978-06-27 Sanders Associates, Inc. Depolarization measurement by optical heterodyne
FR2393287A1 (fr) * 1977-05-31 1978-12-29 Cables De Lyon Geoffroy Delore Echometre pour la localisation de defauts affectant les conducteurs de lumiere

Also Published As

Publication number Publication date
GB2110895A (en) 1983-06-22
US4506388A (en) 1985-03-19
FR2517081A1 (fr) 1983-05-27
GB2110895B (en) 1985-07-17
DE3243464A1 (de) 1983-06-01
CA1206203A (fr) 1986-06-17

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse