IT8667291A0 - Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina - Google Patents

Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina

Info

Publication number
IT8667291A0
IT8667291A0 IT8667291A IT6729186A IT8667291A0 IT 8667291 A0 IT8667291 A0 IT 8667291A0 IT 8667291 A IT8667291 A IT 8667291A IT 6729186 A IT6729186 A IT 6729186A IT 8667291 A0 IT8667291 A0 IT 8667291A0
Authority
IT
Italy
Prior art keywords
heterodyn
transmission system
optical transmission
fiber optical
coherent detection
Prior art date
Application number
IT8667291A
Other languages
English (en)
Other versions
IT1189657B (it
Inventor
Riccardo Calvani Renato Caponi
Franco Cisternino
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67291/86A priority Critical patent/IT1189657B/it
Publication of IT8667291A0 publication Critical patent/IT8667291A0/it
Priority to US07/035,623 priority patent/US4817206A/en
Priority to CA000534179A priority patent/CA1250897A/en
Priority to JP62084943A priority patent/JP2577905B2/ja
Priority to EP87105290A priority patent/EP0241039B1/en
Priority to DE8787105290T priority patent/DE3770972D1/de
Priority to DE198787105290T priority patent/DE241039T1/de
Application granted granted Critical
Publication of IT1189657B publication Critical patent/IT1189657B/it

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)
IT67291/86A 1986-04-10 1986-04-10 Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina IT1189657B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67291/86A IT1189657B (it) 1986-04-10 1986-04-10 Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina
US07/035,623 US4817206A (en) 1986-04-10 1987-04-03 Optical-fiber transmission system with polarization modulation and heterodyne coherent detection
CA000534179A CA1250897A (en) 1986-04-10 1987-04-08 Optical fibre transmission system with polarization modulation and heterodyne coherent detection
JP62084943A JP2577905B2 (ja) 1986-04-10 1987-04-08 偏光変調及びヘテロダインコヒレント検波を有する光学的−フアイバ−伝送システム
EP87105290A EP0241039B1 (en) 1986-04-10 1987-04-09 Optical-fibre transmission system with polarization modulation and heterodyne coherent detection
DE8787105290T DE3770972D1 (de) 1986-04-10 1987-04-09 Lichtwellenleiter-uebertragungssystem mit polarisationsmodulation und kohaerenter ueberlagerungsdetektion.
DE198787105290T DE241039T1 (de) 1986-04-10 1987-04-09 Lichtwellenleiter-uebertragungssystem mit polarisationsmodulation und kohaerenter ueberlagerungsdetektion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67291/86A IT1189657B (it) 1986-04-10 1986-04-10 Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina

Publications (2)

Publication Number Publication Date
IT8667291A0 true IT8667291A0 (it) 1986-04-10
IT1189657B IT1189657B (it) 1988-02-04

Family

ID=11301197

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67291/86A IT1189657B (it) 1986-04-10 1986-04-10 Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina

Country Status (6)

Country Link
US (1) US4817206A (it)
EP (1) EP0241039B1 (it)
JP (1) JP2577905B2 (it)
CA (1) CA1250897A (it)
DE (2) DE241039T1 (it)
IT (1) IT1189657B (it)

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GB8515499D0 (en) * 1985-06-19 1985-07-24 British Telecomm Digital information transmission system
EP0361150B1 (de) * 1988-09-30 1994-12-14 Siemens Aktiengesellschaft Verfahren zum synchronisierten Umtasten eines Polarisationszustandes eines optischen Sendesignals eines optischen Übertragungssystems mit Überlagerungsempfang und Vorrichtung zur Durchführung des Verfahrens
US4998295A (en) * 1988-12-30 1991-03-05 General Electric Company Receiver having an interferometer
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
US5287212A (en) * 1989-09-07 1994-02-15 Cox Charles H Optical link
US5007106A (en) * 1989-11-08 1991-04-09 At&T Bell Laboratories Optical Homodyne Receiver
US5267074A (en) * 1990-01-22 1993-11-30 U.S. Philips Corporation Coherent optical heterodyne transmission system
US5258615A (en) * 1990-08-03 1993-11-02 Gpt Limited Optical fiber monitoring by detection of polarization variations
GB9017077D0 (en) * 1990-08-03 1990-09-19 Plessey Telecomm Optical fibre monitoring
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
US5136666A (en) * 1991-08-06 1992-08-04 The University Of Colorado Foundation, Inc. Fiber optic communication method and apparatus providing mode multiplexing and holographic demultiplexing
US5355381A (en) * 1992-12-03 1994-10-11 Amoco Corporation Self-heterodyne optical fiber communications system
CA2156892A1 (en) * 1994-08-25 1996-02-26 Andrew S. Inenaga Method and apparatus for precipitation detection and differentiation
DE4444218A1 (de) * 1994-12-13 1996-06-27 Sel Alcatel Ag Optische Sendeeinrichtung für ein optisches Nachrichtenübertragungssystem in Verbindung mit einem Funksystem
DE19737482A1 (de) 1997-08-28 1999-03-04 Alsthom Cge Alcatel Verfahren zur optischen Übertragung über ein Lichtwellenleiternetz, sowie optisches Übertragungsnetz
US6961129B2 (en) * 2003-05-15 2005-11-01 Agilent Technologies, Inc. Active control of two orthogonal polarizations for heterodyne interferometry
DE102004022654A1 (de) * 2003-05-15 2004-12-23 Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto Heterodynstrahl-Bereitstellung mit Aktivsteuerung zweier orthogonaler Polarisierungen
JP2005197659A (ja) * 2003-12-08 2005-07-21 Sony Corp 光学装置及び画像生成装置
WO2006001362A1 (ja) 2004-06-24 2006-01-05 Nippon Telegraph And Telephone Corporation 光－無線融合通信システムおよび光－無線融合通信方法
US7362445B2 (en) * 2005-06-17 2008-04-22 Agilent Technologies, Inc. Active control and detection of two nearly orthogonal polarizations in a fiber for heterodyne interferometry
US7406269B2 (en) * 2006-03-10 2008-07-29 Discovery Semiconductors, Inc. Feedback-controlled coherent optical receiver with electrical compensation/equalization
CN101917233B (zh) * 2010-08-29 2012-11-07 华中科技大学 一种适用于相干检测的全光相位噪声抑制方法
CN104218992B (zh) * 2014-09-15 2017-01-25 中国科学院半导体研究所 一种零差检测型相干光传输系统
FR3099245B1 (fr) * 2019-07-26 2021-07-30 Febus Optics Procede et dispositif de reconstruction d’une onde electromagnetique vectorielle retrodiffusee
DE102021002238A1 (de) * 2020-05-28 2021-12-02 Sew-Eurodrive Gmbh & Co Kg System und Verfahren zur Datenübertragung mittels eines Lichtstroms und technische Anlage
US11595761B2 (en) * 2021-06-25 2023-02-28 Ciena Corporation Detecting and localizing acoustic signals with an optical network
CN115694657A (zh) * 2022-11-08 2023-02-03 北京浦丹光电股份有限公司 一种低相噪微波信号源

Family Cites Families (13)

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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
US3284632A (en) * 1963-07-31 1966-11-08 Sylvania Electric Prod Polarization modulation and demodulation
US3426207A (en) * 1964-06-17 1969-02-04 North American Rockwell Focused optical heterodyne system
US3435229A (en) * 1966-03-23 1969-03-25 Gen Telephone & Elect Signal transmission systems
JPS5943724B2 (ja) * 1980-07-22 1984-10-24 日本電信電話株式会社 光位相変調信号の復調方法
JPS5913434A (ja) * 1982-07-14 1984-01-24 Nec Corp 光ヘテロダイン検波方法
JPS59122140A (ja) * 1982-12-28 1984-07-14 Nec Corp 光ヘテロダイン検波装置
JPS6047524A (ja) * 1983-08-26 1985-03-14 Nippon Telegr & Teleph Corp <Ntt> 光受信装置
JPH0618348B2 (ja) * 1984-02-06 1994-03-09 日本電信電話株式会社 光受信回路制御装置
JPS60242435A (ja) * 1984-05-17 1985-12-02 Nec Corp 偏波ダイバ−シテイ光受信装置
JPS6123121A (ja) * 1984-07-12 1986-01-31 Nec Corp 光ヘテロダイン受信方法
GB8515499D0 (en) * 1985-06-19 1985-07-24 British Telecomm Digital information transmission system

Also Published As

Publication number Publication date
EP0241039A3 (en) 1989-08-09
US4817206A (en) 1989-03-28
EP0241039A2 (en) 1987-10-14
IT1189657B (it) 1988-02-04
DE3770972D1 (de) 1991-08-01
JP2577905B2 (ja) 1997-02-05
JPS62250428A (ja) 1987-10-31
DE241039T1 (de) 1989-12-07
EP0241039B1 (en) 1991-06-26
CA1250897A (en) 1989-03-07

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950419